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Dvorakova D, Tsagkaris AS, Pulkrabova J. Novel strategies for the determination of plastic additives derived from agricultural plastics in soil using ultrahigh-performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS). THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 946:174492. [PMID: 38969113 DOI: 10.1016/j.scitotenv.2024.174492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 05/30/2024] [Accepted: 07/02/2024] [Indexed: 07/07/2024]
Abstract
Certain agricultural plastics, i.e., mulching films, are generally considered as potent sources of micro- and nanoplastics (MNPs), due to their direct application on soil and waste mishandling. During the synthesis and fabrication of such agricultural plastics, it is necessary to use chemicals, the so-called plastic additives (PAs), improving the physicochemical properties of the final polymeric product. However, since PAs are loosely bound on the polymer matrix, they can potentially leach into the soil environment with unidentified effects. Clearly, to monitor the fate of PAs in the terrestrial ecosystem, it is necessary to develop accurate, sensitive and robust analytical methods. To this end, a comprehensive analytical strategy was developed for monitoring 16 PAs with diverse physicochemical properties (partition coefficient; -3 < logP<19) in soil samples using ultra-high-performance liquid chromatography coupled to tandem mass spectrometry (UHPLC-MS/MS). For this purpose, two different extraction procedures were developed, namely, a single step ultrasound-assisted extraction (UAE) using ethyl acetate or an aqueous solution of methanol and a binary extraction, combining Quick, Easy, Cheap, Effective, Rugged and Safe (QuEChERS) and UAE principles with n-hexane as the extractant. Interestingly, within the sample preparation investigation, we identified in-lab contamination sources of PAs, e.g., centrifuge tubes or microfilters. Such consumables are made of plastic contaminating the procedural blanks and omitting their use was necessary to acquire satisfactory analytical performance. In detail, method validation was performed for 16 compounds achieving recoveries mainly in the range 70-120 %, repeatability (expressed as relative standard deviation, RSD %) < 20 % and limits of quantification (LOQs) ranging between 0.2 and 20 ng/g dry weight (dw). Importantly, the presented strategies are added to the very limited available for PA determination in soil, a topical issue with a significant and rather understudied impact on agriculture.
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Affiliation(s)
- Darina Dvorakova
- Department of Food Analysis and Nutrition, Faculty of Food and Biochemical Technology, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6 - Dejvice, Prague, Czech Republic.
| | - Aristeidis S Tsagkaris
- Department of Food Analysis and Nutrition, Faculty of Food and Biochemical Technology, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6 - Dejvice, Prague, Czech Republic
| | - Jana Pulkrabova
- Department of Food Analysis and Nutrition, Faculty of Food and Biochemical Technology, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6 - Dejvice, Prague, Czech Republic
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Jin M, Wen ZF, Liu YJ, Qian M, Zhou Y, Bian Y, Zhang Y, Feng XS. Trihalomethanes in water samples: Recent update on pretreatment and detection methods. CHEMOSPHERE 2023; 341:140005. [PMID: 37652249 DOI: 10.1016/j.chemosphere.2023.140005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 08/20/2023] [Accepted: 08/26/2023] [Indexed: 09/02/2023]
Abstract
Trihalomethanes (THMs) are classified as volatile organic compounds, considered to be a disinfection by-product during water disinfection process. THMs have been shown to be cytotoxic, genotoxic and mutagenic, with a risk of cancer when they contact with people directly. To protect public health and monitor water quality, it is important to monitor and measure THMs in drinking water. Therefore, it is crucial to develop fast, accurate, highly sensitivity and green analysis methods of THMs in various complicated matrices. Here, this review presents an overall summary of the current state of the pretreatment and detection methods for THMs in various sample matrices since 2005. In addition to the traditionally used pretreatment methods for THMs (such as headspace extraction, microwave-assisted extraction, liquid-liquid extraction), the new-developed methods, including solid-phase extraction, QuEChERS and different microextraction methods, have been summarized. The detection methods include gas chromatography-based methods, sensors and several other approaches. Additionally, benefits and limitations of different techniques were also discussed and compared. This study is anticipated to offer fruitful insights into the further advancement and widespread applications of pretreatment and detection technologies for THMs as well as for related substances.
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Affiliation(s)
- Min Jin
- (School of Pharmacy, China Medical University, Shenyang, 110122, China
| | - Zhi-Feng Wen
- (Department of Neurosurgery, The First Affiliated Hospital of China Medical University, Shenyang, China, Beijing, 110001, China
| | - Ya-Jie Liu
- (School of Pharmacy, China Medical University, Shenyang, 110122, China
| | - Min Qian
- (School of Pharmacy, China Medical University, Shenyang, 110122, China
| | - Yu Zhou
- (Department of Pharmacy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Yu Bian
- (School of Pharmacy, China Medical University, Shenyang, 110122, China.
| | - Yuan Zhang
- (School of Pharmacy, China Medical University, Shenyang, 110122, China.
| | - Xue-Song Feng
- (School of Pharmacy, China Medical University, Shenyang, 110122, China.
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Song N, Tian Y, Luo Z, Dai J, Liu Y, Duan Y. Advances in pretreatment and analysis methods of aromatic hydrocarbons in soil. RSC Adv 2022; 12:6099-6113. [PMID: 35424557 PMCID: PMC8981609 DOI: 10.1039/d1ra08633b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 01/27/2022] [Indexed: 11/21/2022] Open
Abstract
Benzene compounds that are prevalent in the soil as organic pollutants mainly include BTEX (benzene, toluene, ethylbenzene, and three xylene isomers) and PAHs (polycyclic aromatic hydrocarbons). These pose a severe threat to many aspects of human health. Therefore, the accurate measurement of BTEX and PAHs concentrations in the soil is of great importance. The samples for analysis of BTEX and PAHs need to be suitable for the various detection methods after pretreatment, which include Soxhlet extraction, ultrasonic extraction, solid-phase microextraction, supercritical extraction, and needle trap. The detection techniques mainly consist of gas chromatography (GC), mass spectrometry (MS), and online sensors, and provide comprehensive information on contaminants in the soil. Their performance is evaluated in terms of sensitivity, selectivity, and recovery. Recently, there has been rapid progress in the pretreatment and analysis methods for the quantitative and qualitative analyses of BTEX and PAHs. Therefore, it is necessary to produce a timely and in-depth review of the emerging pretreatment and analysis methods, which is unfortunately absent from the recent literature. In this work, state-of-art extraction techniques and analytical methods have been summarized for the determination of BTEX and PAHs in soil, with a particular focus on the potential and limitations of the respective methods for different aromatic hydrocarbons. Accordingly, the paper will describe the basic methodological knowledge, as well as the recent advancement of pretreatment and analysis methods for samples containing BTEX and PAHs.
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Affiliation(s)
- Na Song
- Research Center of Analytical Instrumentation, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University Xi'an Shaanxi 710069 P. R.China
| | - Yonghui Tian
- Research Center of Analytical Instrumentation, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University Xi'an Shaanxi 710069 P. R.China
| | - Zewei Luo
- Research Center of Analytical Instrumentation, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University Xi'an Shaanxi 710069 P. R.China
| | - Jianxiong Dai
- Research Center of Analytical Instrumentation, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University Xi'an Shaanxi 710069 P. R.China
| | - Yan Liu
- Research Center of Analytical Instrumentation, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University Xi'an Shaanxi 710069 P. R.China
| | - Yixiang Duan
- Research Center of Analytical Instrumentation, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University Xi'an Shaanxi 710069 P. R.China
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Jankowska M, Kaczyński P, Łozowicka B. Dissipation kinetics and processing behavior of boscalid and pyraclostrobin in greenhouse dill plant (Anethum graveolens L.) and soil. PEST MANAGEMENT SCIENCE 2021; 77:3349-3357. [PMID: 33773022 DOI: 10.1002/ps.6379] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 03/22/2021] [Accepted: 03/27/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Determining the environmental behavior and fate of chemical compounds during technological processing of plants is a task of great significance nowadays. However, the current knowledge is still incomplete for unique herbal matrices belonging to minor crops. The research in this article presents, for the first time, the dissipation kinetics and processing behavior of carboxamide boscalid (BOS) and stobilurin pyraclostrobin (PYR) fungicides during glasshouse dill (Anethum graveolens L.) cultivation. RESULTS The half-lives (t1/2 ) of BOS and PYR after application at the recommended and double dosage were in the range: 1.62-2.01 days in plant and 2.08-4.85 days in soil, respectively. The processing behavior in dill was estimated after washing, hot air drying and drying in sunlight without/with pretreatment. Processing factors (PFs) were above 1 after drying (PF = 1.24-1.39 hot air; PF = 1.15-1.28 sunlight) and below this value when the washing step was applied (PF = 0.31-0.42 hot air; PF = 0.21-0.34 sunlight), indicating the highest effectiveness of reduction, up to 73% BOS and 79% PYR. CONCLUSION BOS/PYR residues at pre-harvest intervals after both doses were below European Union (EU) maximum residue limits (MRLs). The highest effectiveness was noted for drying carried out with the washing step, which has a great influence on the concentration of residues in the final product. The findings can supplement PF databases not set for minor crops and can be used to establish MRLs and determine human exposures more accurately in risk assessment studies. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Magdalena Jankowska
- Institute of Plant Protection - National Research Institute, Laboratory of Food and Feed Safety, Bialystok, Poland
| | - Piotr Kaczyński
- Institute of Plant Protection - National Research Institute, Laboratory of Food and Feed Safety, Bialystok, Poland
| | - Bożena Łozowicka
- Institute of Plant Protection - National Research Institute, Laboratory of Food and Feed Safety, Bialystok, Poland
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Xu K, Gao X, Chi M, Chen K, Zhang Y, Kong W, Li Z, Huang S, Qin K. Microwave-Assisted Extraction Coupled with Mass Spectrometry for Determining Five Volatile Compounds from Soy Sauces. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2021; 2021:6625929. [PMID: 33936837 PMCID: PMC8062169 DOI: 10.1155/2021/6625929] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 03/15/2021] [Accepted: 03/26/2021] [Indexed: 06/12/2023]
Abstract
As a popular fermented condiment in oriental countries, soy sauce plays a more and more important role in modern food culture due to its unique smell and delicious taste. With the help of microwave extraction and gas chromatography-tandem mass spectrometry, the sample preparation method is aimed to determine the content of cyclohexane, benzene, toluene, chlorobenzene, and styrene in soy sauce. The method was validated by examining the linearity, accuracy, specificity, precision, the limit of detection, and quantitation. Meanwhile, three key factors have an impact on the efficiency and accuracy of the method including extracting solvent, temperature, and time which were optimized. The result shows that the recoveries of spiked analytes ranged from 80.86% to 105.71%, the relative standard deviation of intraday and interday precision was no more than 12.1% and 12.5%, and the limit of detection and quantitation were 0.25-1.00 ng/mL and 0.50-2.00 ng/mL, respectively. The results also indicated that the proposed method was a simple, reliable, and sensitive approach for the determination trace amount of five harmful volatile organic compounds from soy sauce.
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Affiliation(s)
- Kai Xu
- Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, Jiangsu Ocean University, 59Cangwu Road, Lianyungang 222005, China
- Jiangsu Institute of Marine Resources Development, 59 Cangwu Road, Lianyungang 222005, China
- Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Xun Gao
- Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, Jiangsu Ocean University, 59Cangwu Road, Lianyungang 222005, China
- Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Miaomiao Chi
- Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, Jiangsu Ocean University, 59Cangwu Road, Lianyungang 222005, China
| | - Kexin Chen
- Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, Jiangsu Ocean University, 59Cangwu Road, Lianyungang 222005, China
| | - Yue Zhang
- Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, Jiangsu Ocean University, 59Cangwu Road, Lianyungang 222005, China
| | - Weihao Kong
- Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, Jiangsu Ocean University, 59Cangwu Road, Lianyungang 222005, China
| | - Ziying Li
- Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, Jiangsu Ocean University, 59Cangwu Road, Lianyungang 222005, China
| | - Shengnan Huang
- Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, Jiangsu Ocean University, 59Cangwu Road, Lianyungang 222005, China
| | - Kunming Qin
- Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, Jiangsu Ocean University, 59Cangwu Road, Lianyungang 222005, China
- Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
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6
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Gao M, Bian C, Zhou W, Liu L, Li B, Tang L. Dissipation of tiafenacil in five types of citrus orchard soils using the HPLC‐MS coupled with the quick, easy, cheap, effective, rugged, and safe method. J Sep Sci 2021; 44:1950-1960. [DOI: 10.1002/jssc.202001128] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Revised: 01/18/2021] [Accepted: 02/06/2021] [Indexed: 01/12/2023]
Affiliation(s)
- Meizhu Gao
- School of Land Resources and Environment Jiangxi Agricultural University Nanchang P. R. China
| | - Chuanfei Bian
- School of Land Resources and Environment Jiangxi Agricultural University Nanchang P. R. China
| | - Wenwen Zhou
- School of Food Science and Engineering Jiangxi Agricultural University Nanchang P. R. China
| | - Lang Liu
- School of Land Resources and Environment Jiangxi Agricultural University Nanchang P. R. China
| | - Baotong Li
- School of Land Resources and Environment Jiangxi Agricultural University Nanchang P. R. China
| | - Limei Tang
- School of Agricultural Sciences Jiangxi Agricultural University Nanchang P. R. China
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7
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Li QL, Guo SF, Zhang Y, Wo R, Zhao RS, Jiang W. Silver-organic coordination networks for magnetic solid-phase extraction of trihalomethanes from environmental water samples: experimental and theoretical calculation study. JOURNAL OF HAZARDOUS MATERIALS 2020; 396:122741. [PMID: 32361300 DOI: 10.1016/j.jhazmat.2020.122741] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 03/20/2020] [Accepted: 04/13/2020] [Indexed: 06/11/2023]
Abstract
Trihalomethanes (THMs) are the primary toxic and carcinogenic byproducts during disinfection of drinking water. THMs have been frequently detected in water body and posed a huge threat to human health. Thus, analyzing the trace levels of THMs in an accurate and rapid method for water quality monitoring is important. In this paper, silver-based organic coordination networks (Ag-OCN) were fabricated with different diameters under mild pH condition. After modification with magnet, Fe3O4 @ Ag-OCN as extractant was applied to the magnetic solid-phase extraction of THMs from water samples. Gas chromatography-tandem mass spectrometry was used for sample quantification and detection. The magnetic extractant displayed good linearity in the range of 0.03-10 ug/L, low limits of detection (1.41-10.13 ng/L), and good reproducibility (relative standard deviations < 6.31%). Moreover, density-functional theory (DFT) calculation was also applied to investigate the possible interaction mechanism. Combining the experimental data with theoretical calculation, results showed that Fe3O4 @ Ag-OCN was a potential magnetic material for the enrichment and extraction of formed THMs at trace levels from water samples.
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Affiliation(s)
- Qiu-Lin Li
- National Special Superfine Powder Engineering Technology Research Center, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Shuang-Feng Guo
- Xi'an Modern Chemistry Research Institute, Xi'an, 710065, China
| | - Yan Zhang
- Xi'an Modern Chemistry Research Institute, Xi'an, 710065, China
| | - Rong Wo
- National Special Superfine Powder Engineering Technology Research Center, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Ru-Song Zhao
- Qilu University of Technology (Shandong Academy of Sciences), Shandong Analysis and Test Center, Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Jinan, 250014, China.
| | - Wei Jiang
- National Special Superfine Powder Engineering Technology Research Center, Nanjing University of Science and Technology, Nanjing, 210094, China.
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Djozan D, Norouzi J, Farajzadeh MA. On-Line Sorbentless Cryogenic Needle Trap and GC–FID Method for the Extraction and Analysis of Trace Volatile Organic Compounds from Soil Samples. J Chromatogr Sci 2020; 58:887-895. [DOI: 10.1093/chromsci/bmaa056] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 05/01/2020] [Accepted: 07/26/2020] [Indexed: 01/12/2023]
Abstract
Abstract
In this study, an automated sorbentless cryogenic needle trap device (ASCNTD) coupled with a gas chromatograph (GC) was developed with the aim of sampling, pre-concentration and determination of volatile organic compounds (VOCs) from soil sample. This paper describes optimization of relevant parameters, performance evaluation and an illustrative application of ASCNTD. The ASCNTD system consists of a 5 cm stainless steel needle passed through a hollow ceramic rod which is coiled with resistive nichrome wire. The set is placed in a PVC (Polyvinyl chloride) chamber through which liquid nitrogen can flow. The headspace components are circulated with a pump to pass through the needle, and this results in freeze-trapping of the VOCs on the inner surface of the needle. When extraction is completed, the analytes trapped in the inner wall of the needle were thermally desorbed and swept by the carrier gas into the GC capillary column. The parameters being effective on the extraction processes, namely headspace flow rate, the temperature and time of extraction and desorption were optimized and evaluated. The developed technique was compared to the headspace solid-phase microextraction method for the analysis of soil samples containing BTEX (Benzene, Toluene, Ethylbenzene and Xylene). The relative standard deviation values are below 8% and detection limits as low as 1.2 ng g−1 were obtained for BTEX by ASCNTD.
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Affiliation(s)
- Djavanshir Djozan
- Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | - Jamal Norouzi
- Department of Chemistry, Shabestar Branch, Islamic Azad University, Shabestar, Iran
| | - Mir Ali Farajzadeh
- Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
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Xu C, Lin X, Yin S, Liu K, Liu W. Spatio-vertical characterization of the BTEXS group of VOCs in Chinese agricultural soils. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 694:133631. [PMID: 31400675 DOI: 10.1016/j.scitotenv.2019.133631] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2019] [Revised: 07/24/2019] [Accepted: 07/26/2019] [Indexed: 06/10/2023]
Abstract
Ubiquitous contamination of the BTEXS (benzene, toluene, ethylbenzene, xylene, and styrene) group in soils is a significant concern for ecological safety. However, comprehensive spatio-vertical survey of the BTEXS group on a national scale is rare to date. Using a static headspace gas chromatography-mass spectrometry method (HS-GCMS), this study performed a quantitative analysis of BTEXS levels in soils from Chinese rural areas in 2013 and 2016. The median ∑BTEXS concentrations in surface soils in 2013 and 2016 were 37.5 and 34.4 ng g-1 dry weight, respectively. Toluene was the dominant pollutant, accounting for approximately 41.6% and 32.1% of the total levels. BTEXS contamination was higher in Shanxi province, Northeast China, and Yunnan-Guizhou Plateau compared to the other regions. Vertically, toluene, m,p'-xylene and o'-xylene concentrations were significantly higher in the top soil layer (0-15 cm) and decreased significantly with increasing soil depth (p < 0.05). Higher soil organic matter was significantly associated with higher BTEXS concentrations of sampling site. BTEXS was also enhanced at sites with higher elevations and lower temperature due to global distillation effects. The findings of this study could help decision-makers to protect against BTEXS contamination in rural areas. These findings provide a basis for further study of the mechanism of BTEXS migration and transport in large-scale environment. CAPSULE: Spatio-vertical distribution, influence factors, exposure risks of BTEXS in soils from Chinese agricultural region was studied.
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Affiliation(s)
- Chenye Xu
- College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China; Ministry of Education Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Xinmeng Lin
- Ministry of Education Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Shanshan Yin
- Ministry of Education Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Kai Liu
- Division of Engineering and Applied Science, W. M. Keck Laboratories, California Institute of Technology, 1200 East California Blvd., Pasadena, CA 91125, USA
| | - Weiping Liu
- Ministry of Education Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China.
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10
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Raza N, Hashemi B, Kim KH, Lee SH, Deep A. Aromatic hydrocarbons in air, water, and soil: Sampling and pretreatment techniques. Trends Analyt Chem 2018. [DOI: 10.1016/j.trac.2018.03.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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11
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Balseiro-Romero M, Monterroso C. Diesel-Range Organics Extraction and Determination in Environmental Samples by Gas Chromatography‒Mass Spectrometry: Headspace Solid Phase Microextraction vs. Solvent Extraction. JOURNAL OF ANALYTICAL CHEMISTRY 2018. [DOI: 10.1134/s1061934818030085] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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12
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Łozowicka B, Rutkowska E, Jankowska M. Influence of QuEChERS modifications on recovery and matrix effect during the multi-residue pesticide analysis in soil by GC/MS/MS and GC/ECD/NPD. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:7124-7138. [PMID: 28093672 PMCID: PMC5383684 DOI: 10.1007/s11356-016-8334-1] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Accepted: 12/25/2016] [Indexed: 05/19/2023]
Abstract
A QuEChERS extraction followed by GC/MS/MS and GC-μECD/NPD for 216 pesticide and metabolites determination in soil simultaneously were developed and compared. Volume of water, volume and polarity of solvent, and cleanup sorbents (C18, GCB, PSA) were optimized. The QuEChERS with and without purification step were applied to estimate effectiveness of the method. The recovery and matrix effect (ME) were critical parameters within each tested procedure. The optimal method without cleanup was validated. Accuracy (expressed as recovery), precision (expressed as RSD), linearity, LOQ, and uncertainty were determined. The recoveries at the three spiking levels using matrix-matched standards ranged between 65 and 116% with RSD ≤17 and 60-112% with RSD ≤18% for MS/MS and μEC/NP, respectively. The LOQ ranged from 0.005-0.01 mg/kg for MS/MS to 0.05 mg/kg for μEC/NP. The ME for most of pesticides resulted in enhancement of the signal and depended on the analyte and detection system: MS/MS showed ME from -25 to 74%, while μEC/NP from -45 to 96%. A principal component analysis was performed to explain the relationships between physicochemical parameters and ME of 216 pesticides. The QuEChERS protocol without the cleanup step is a promising option to make the method less expensive and faster. This methodology was applied in routine analysis of 263 soil samples in which p,p' DDT was the most frequently detected (23.5% of samples) and pendimethalin with the highest concentration (1.63 mg/kg).
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Affiliation(s)
- Bożena Łozowicka
- Plant Protection Institute - National Research Institute, Laboratory of Pesticide Residues, Chelmonskiego 22, Postal code: 15-195, Bialystok, Poland
| | - Ewa Rutkowska
- Plant Protection Institute - National Research Institute, Laboratory of Pesticide Residues, Chelmonskiego 22, Postal code: 15-195, Bialystok, Poland.
| | - Magdalena Jankowska
- Plant Protection Institute - National Research Institute, Laboratory of Pesticide Residues, Chelmonskiego 22, Postal code: 15-195, Bialystok, Poland
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13
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Peng J, Zhang Y, Yang X, Qi M. High-resolution separation performance of poly(caprolactone)diol for challenging isomers of xylenes, phenols and anilines by capillary gas chromatography. J Chromatogr A 2016; 1466:148-54. [PMID: 27608617 DOI: 10.1016/j.chroma.2016.09.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Revised: 08/31/2016] [Accepted: 09/01/2016] [Indexed: 11/18/2022]
Abstract
Efficient separation of xylenes, phenols and anilines is a big issue in chemical and petroleum industries. This work presents the first example of employing poly (caprolactone) diol (PCL-Diol) as stationary phase for high-resolution gas chromatographic (GC) separations of these tough isomer mixtures. It showed medium polarity and stronger H-bonding basicity than H-bonding acidity. Impressively, PCL-Diol column exhibited extremely high resolving capability for the isomer mixtures of xylenes, cresols/xylenols, and toluidines/xylidines with good peak shapes. Moreover, it exhibited preferential retention for analytes of a linear alkyl chain, suggesting its shape fitting selectivity for specific analytes. In addition, its separation performance has good repeatability with RSD values on retention times below 0.01% for run to run (n=6), 0.67-0.80% for day to day (n=4) and 3.2-4.4% for column to column (n=4) repeatability, respectively. Furthermore, it was applied for the determination of isomer impurities in real samples, showing good potential for practical use. This work demonstrates the advantageous high-resolution separation performance for challenging isomers and shows its promising future of PCL-Diol-based materials in separation science.
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Affiliation(s)
- Jianlin Peng
- Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials and School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Yan Zhang
- Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials and School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Xiaohong Yang
- Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials and School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Meiling Qi
- Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials and School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China.
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14
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Paíga P, Delerue-Matos C. A throughput method using the quick easy cheap effective rugged safe method for the quantification of ibuprofen and its main metabolites in soils. J Sep Sci 2016; 39:3436-44. [PMID: 27436623 DOI: 10.1002/jssc.201600412] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2016] [Revised: 06/28/2016] [Accepted: 06/29/2016] [Indexed: 10/21/2022]
Abstract
Quick, easy, cheap, effective, rugged, and safe extraction is a modern sample preparation method that involves a number of steps with a low susceptibility to error. The efficiency of a laboratory can be improved not only through labor reduction and consumable savings but also through the use of high-throughput methods and the reduction of wastes. In commercially available kits, different salts and buffers are mixed in anhydrous packages. The composition of these kits are optimized and fixed for particular applications by the suppliers. In this work three model compounds (ibuprofen and two of its main metabolites: hydroxyibuprofen and carboxyibuprofen) were chosen and the amount of each salt (magnesium sulfate, sodium chloride, sodium citrate, and disodium citrate sesquihydrate) in the quick, easy, cheap, effective, rugged, and safe content was optimized for three different soil samples (soils A, B, and C) with different organic carbon contents, using a 2(4) factorial design. The optimized extraction procedure was applied to 12 soil samples; ranging from river sediments to agricultural soils. Based on the analysis 100 samples, a price reduction of 5.1- (soil B), 5.7- (Soil C), and 6.1-fold (soil A) was achieved without compromising the performance of the method when compared to commercial kits.
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Affiliation(s)
- Paula Paíga
- REQUIMTE/LAQV, Instituto Superior de Engenharia, Politécnico do Porto, Rua Dr. Atónio Bernardino de Almeida, Porto, Portugal.
| | - Cristina Delerue-Matos
- REQUIMTE/LAQV, Instituto Superior de Engenharia, Politécnico do Porto, Rua Dr. Atónio Bernardino de Almeida, Porto, Portugal
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15
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Ben Salem F, Ben Said O, Duran R, Monperrus M. Validation of an Adapted QuEChERS Method for the Simultaneous Analysis of Polycyclic Aromatic Hydrocarbons, Polychlorinated Biphenyls and Organochlorine Pesticides in Sediment by Gas Chromatography-Mass Spectrometry. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2016; 96:678-684. [PMID: 27000380 DOI: 10.1007/s00128-016-1770-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Accepted: 03/04/2016] [Indexed: 06/05/2023]
Abstract
A Quick, Easy, Cheap, Effective, Rugged and Safe (QuEChERS) method has been adapted and validated for the simultaneous analysis of 16 PAHs, 12 PCBs and 9 OCPs in sediment. The sample preparation was adapted by modifying the nature of the extraction solvent, the extraction technique and the amount of sediment. The analytical performances were evaluated in terms of accuracy, linearity and quantification limits. The method was validated by the analysis of a reference marine sediment material (SRM 1941b). The obtained concentrations are in good agreement with the certified values with recoveries ranging 60 %-103 % for most of PAHs. Acceptable recoveries are obtained for PCBs, ranging 76 %-131 %, and for OCPs ranging 81 %-137 %. The method was applied to the analysis of sediments from the hydro-system Bizerte Lagoon/Ichkeul Lake (Tunisia). The Bizerte lagoon is mainly contaminated by PAHs whereas the Ichkeul lake is mainly by OCPs.
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Affiliation(s)
- Fida Ben Salem
- Laboratoire de Biosurveillance de l'Environnement, Faculté des Sciences de Bizerte, Université de Carthage, 7021 Zarzouna, Bizerte, Tunisia
- Equipe Environnement et Microbiologie - IPREM UMR 5254 CNRS, Université de Pau et des Pays de l'Adour, Pau, France
- Laboratoire de Chimie Analytique Bio-Inorganique et Environnement, IPREM UMR 5254 CNRS, Université de Pau et des Pays de l'Adour, Pau, France
| | - Olfa Ben Said
- Laboratoire de Biosurveillance de l'Environnement, Faculté des Sciences de Bizerte, Université de Carthage, 7021 Zarzouna, Bizerte, Tunisia
- Equipe Environnement et Microbiologie - IPREM UMR 5254 CNRS, Université de Pau et des Pays de l'Adour, Pau, France
| | - Robert Duran
- Equipe Environnement et Microbiologie - IPREM UMR 5254 CNRS, Université de Pau et des Pays de l'Adour, Pau, France
| | - Mathilde Monperrus
- Laboratoire de Chimie Analytique Bio-Inorganique et Environnement, IPREM UMR 5254 CNRS, Université de Pau et des Pays de l'Adour, Pau, France.
- UFR Sciences et Techniques de la Côte Basque Allée du Parc Montaury, 64600, Anglet, France.
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16
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Balseiro-Romero M, Macías F, Monterroso C. Characterization and fingerprinting of soil and groundwater contamination sources around a fuel distribution station in Galicia (NW Spain). ENVIRONMENTAL MONITORING AND ASSESSMENT 2016; 188:292. [PMID: 27080856 DOI: 10.1007/s10661-016-5288-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Accepted: 04/05/2016] [Indexed: 06/05/2023]
Abstract
Soil and groundwater contamination around a fuel distribution station in Tomiño (NW Spain) was evaluated. For this purpose, top and subsoil (up to 6.4 m) and groundwater were sampled around the station, approximately in a 60-m radius. Samples were analysed by HS-SPME-GC-MS to identify and quantify volatile fuel organic compounds (VFOC) (MTBE, ETBE and BTEX) and diesel range organics (DRO). Analysis and fingerprinting data suggested that the contamination of soil and groundwater was provoked by a fuel leak from underground storage tanks. This was reflected by hydrocarbon indices and principal component analysis, which discriminated a direct source of contamination of the subsoil samples around the station. The contaminants probably migrated from tank nearby soils to surrounding soils and leached to groundwater, following a SW direction. Irrigation with contaminated groundwater provoked a severe contamination of topsoils, which were enriched with the lightest components of gasoline and diesel. Fingerprinting also revealed the continuity of the leak, reflected by the presence of volatiles in some samples, which principally appeared in fresh leaks. MTBE was detected in a very high concentration in groundwater samples (up to 690 μg L(-1)), but it was not detected in fresh gasoline. This also evidenced an old source of contamination, probably starting in the mid-1990s, when the use of MTBE in gasoline was regulated.
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Affiliation(s)
- María Balseiro-Romero
- Department of Soil Science and Agricultural Chemistry, University of Santiago de Compostela, Campus Vida, 15782, Santiago de Compostela, Spain.
| | - Felipe Macías
- Department of Soil Science and Agricultural Chemistry, University of Santiago de Compostela, Campus Vida, 15782, Santiago de Compostela, Spain
| | - Carmen Monterroso
- Department of Soil Science and Agricultural Chemistry, University of Santiago de Compostela, Campus Vida, 15782, Santiago de Compostela, Spain
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17
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Haimovici L, Reiner EJ, Besevic S, Jobst KJ, Robson M, Kolic T, MacPherson K. A modified QuEChERS approach for the screening of dioxins and furans in sediments. Anal Bioanal Chem 2016; 408:4043-54. [DOI: 10.1007/s00216-016-9493-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Revised: 03/07/2016] [Accepted: 03/15/2016] [Indexed: 10/22/2022]
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18
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19
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Saha A, Shabeer T P A, Banerjee K, Hingmire S, Bhaduri D, Jain NK, Utture S. Simultaneous analysis of herbicides pendimethalin, oxyfluorfen, imazethapyr and quizalofop-p-ethyl by LC-MS/MS and safety evaluation of their harvest time residues in peanut (Arachis hypogaea L.). Journal of Food Science and Technology 2015; 52:4001-14. [PMID: 26139867 DOI: 10.1007/s13197-014-1473-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 06/20/2014] [Accepted: 07/02/2014] [Indexed: 11/25/2022]
Abstract
This paper reports a simple and rapid method for simultaneous determination of the residues of selected herbicides viz. pendimethalin, oxyfluorfen, imazethapyr and quizalofop-p-ethyl in peanut by liquid chromatography-tandem mass spectrometry (LC-MS/MS). A modified approach of the QuEChERS methodology was used to extract the herbicides from the peanut kernel without any clean-up. The method showed excellent linearity (r(2) > 0.99) with no significant matrix effect. Accuracy of the method in terms of average recoveries of all the four herbicides ranged between 69.4 -94.4 % at spiking levels of 0.05, 0.10 and 0.25 mg kg(-1) with intra-day and inter-day precision RSD (%) between 2.6-16.6 and 8.0-11.3, respectively. Limit of quantification (LOQs) was 5.0 μg kg(-1) for pendimethalin, imazethapyr and quizalofop-p-ethyl and 10.0 μg kg(-1) for oxyfluorfen. The expanded uncertainties were <11 % for determination of these herbicides in peanut. The proposed method was successfully applied for analysis of these herbicide residues in peanut samples harvested from the experimental field and the residues were below the detection level.
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Affiliation(s)
- Ajoy Saha
- Directorate of Groundnut Research, Junagadh, 362001 Gujarat India
| | - Ahammed Shabeer T P
- National Referral Laboratory, National Research Centre for Grapes Pune, 412307 Maharashtra, India
| | - Kaushik Banerjee
- National Referral Laboratory, National Research Centre for Grapes Pune, 412307 Maharashtra, India
| | - Sandip Hingmire
- National Referral Laboratory, National Research Centre for Grapes Pune, 412307 Maharashtra, India
| | - Debarati Bhaduri
- Directorate of Groundnut Research, Junagadh, 362001 Gujarat India
| | - N K Jain
- Directorate of Groundnut Research, Junagadh, 362001 Gujarat India
| | - Sagar Utture
- National Referral Laboratory, National Research Centre for Grapes Pune, 412307 Maharashtra, India
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20
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Ribeiro C, Ribeiro AR, Maia AS, Gonçalves VMF, Tiritan ME. New trends in sample preparation techniques for environmental analysis. Crit Rev Anal Chem 2015; 44:142-85. [PMID: 25391434 DOI: 10.1080/10408347.2013.833850] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Environmental samples include a wide variety of complex matrices, with low concentrations of analytes and presence of several interferences. Sample preparation is a critical step and the main source of uncertainties in the analysis of environmental samples, and it is usually laborious, high cost, time consuming, and polluting. In this context, there is increasing interest in developing faster, cost-effective, and environmentally friendly sample preparation techniques. Recently, new methods have been developed and optimized in order to miniaturize extraction steps, to reduce solvent consumption or become solventless, and to automate systems. This review attempts to present an overview of the fundamentals, procedure, and application of the most recently developed sample preparation techniques for the extraction, cleanup, and concentration of organic pollutants from environmental samples. These techniques include: solid phase microextraction, on-line solid phase extraction, microextraction by packed sorbent, dispersive liquid-liquid microextraction, and QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe).
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Affiliation(s)
- Cláudia Ribeiro
- a CESPU, Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde , Gandra , Portugal
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21
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Bruzzoniti MC, Checchini L, De Carlo RM, Orlandini S, Rivoira L, Del Bubba M. QuEChERS sample preparation for the determination of pesticides and other organic residues in environmental matrices: a critical review. Anal Bioanal Chem 2014; 406:4089-116. [PMID: 24770804 DOI: 10.1007/s00216-014-7798-4] [Citation(s) in RCA: 174] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2014] [Revised: 03/22/2014] [Accepted: 03/26/2014] [Indexed: 11/29/2022]
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22
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Herrero P, Borrull F, Pocurull E, Marcé RM. A quick, easy, cheap, effective, rugged and safe extraction method followed by liquid chromatography-(Orbitrap) high resolution mass spectrometry to determine benzotriazole, benzothiazole and benzenesulfonamide derivates in sewage sludge. J Chromatogr A 2014; 1339:34-41. [PMID: 24656545 DOI: 10.1016/j.chroma.2014.02.081] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2014] [Revised: 02/25/2014] [Accepted: 02/27/2014] [Indexed: 11/18/2022]
Abstract
A Quick, Easy, Cheap, Effective, Rugged and Safe (QuEChERS) extraction method followed by liquid chromatography-(Orbitrap) high resolution mass spectrometry was developed for the simultaneous determination of five benzotriazole, four benzothiazole and five benzenesulfonamide derivates in sewage sludge. While the method was being developed, several buffers and dispersive solid-phase extraction clean-up (dSPE) sorbents were tested. Citrate buffer and Z-sep+ (zirconium-based sorbent) were the most effective extraction buffer and dSPE clean-up material. The absolute recoveries were higher than 80% for all compounds (100ng/g (d.w.)) and the matrix effect was less than -20% for most compounds. The limits of detection were between 0.5 and 10ng/g (d.w.) and the limits of quantification (LOQ) were between 1 and 25ng/g (d.w.). Repeatability and reproducibility were lower than 15% (%RSD, n=5). Several sludge samples from five sewage treatment plants in Catalonia were analysed and the most abundant compounds were 2-hydroxybenzothiazole (
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Affiliation(s)
- Pol Herrero
- Department of Analytical Chemistry and Organic Chemistry, Universitat Rovira i Virgili, Sescelades Campus, Marcel·lí Domingo s/n, 43007 Tarragona, Spain
| | - Francesc Borrull
- Department of Analytical Chemistry and Organic Chemistry, Universitat Rovira i Virgili, Sescelades Campus, Marcel·lí Domingo s/n, 43007 Tarragona, Spain
| | - Eva Pocurull
- Department of Analytical Chemistry and Organic Chemistry, Universitat Rovira i Virgili, Sescelades Campus, Marcel·lí Domingo s/n, 43007 Tarragona, Spain.
| | - Rosa M Marcé
- Department of Analytical Chemistry and Organic Chemistry, Universitat Rovira i Virgili, Sescelades Campus, Marcel·lí Domingo s/n, 43007 Tarragona, Spain
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23
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Albinet A, Nalin F, Tomaz S, Beaumont J, Lestremau F. A simple QuEChERS-like extraction approach for molecular chemical characterization of organic aerosols: application to nitrated and oxygenated PAH derivatives (NPAH and OPAH) quantified by GC–NICIMS. Anal Bioanal Chem 2014; 406:3131-48. [DOI: 10.1007/s00216-014-7760-5] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2014] [Revised: 03/05/2014] [Accepted: 03/10/2014] [Indexed: 10/25/2022]
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24
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Cerqueira MB, Caldas SS, Primel EG. New sorbent in the dispersive solid phase extraction step of quick, easy, cheap, effective, rugged, and safe for the extraction of organic contaminants in drinking water treatment sludge. J Chromatogr A 2014; 1336:10-22. [DOI: 10.1016/j.chroma.2014.02.002] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2013] [Revised: 01/31/2014] [Accepted: 02/03/2014] [Indexed: 10/25/2022]
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25
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Albinet A, Tomaz S, Lestremau F. A really quick easy cheap effective rugged and safe (QuEChERS) extraction procedure for the analysis of particle-bound PAHs in ambient air and emission samples. THE SCIENCE OF THE TOTAL ENVIRONMENT 2013; 450-451:31-8. [PMID: 23454907 DOI: 10.1016/j.scitotenv.2013.01.068] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2012] [Revised: 01/22/2013] [Accepted: 01/22/2013] [Indexed: 05/06/2023]
Abstract
A quick easy cheap effective rugged and safe (QuEChERS) like extraction procedure is presented for the measurement of polycyclic aromatic hydrocarbons (PAHs) associated to particulate matter from ambient air or combustion process. The procedure is based on a short mechanical agitation (vortex during 90 s) using a small volume of acetonitrile (7 ml) as extraction solvent. Equivalent extraction efficiencies were obtained when comparing the QuEChERS and the traditional pressurized solvent extraction (ASE) procedures for ambient air and emission (wood combustion) filter samples. The developed QuEChERS extraction protocol was validated with the analysis of a standard reference material (NIST SRM 1649a, urban dust). By comparison to other extraction methods including ASE, the simplicity of the QuEChERS protocol allows to minimize experimental errors, to decrease about a factor 5 the cost per extraction and to increase the productivity per working day by a 10-fold factor. This paper constitutes the first report on the applicability of a QuEChERS-like approach for the quantification of PAHs or other organic compounds in atmospheric particulate matter.
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Affiliation(s)
- A Albinet
- Institut National de l'Environnement industriel et des Risques (INERIS), Parc technologique Alata BP2, 60550 Verneuil en Halatte, France.
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26
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Zhou YY, Yu JF, Yan ZG, Zhang CY, Xie YB, Ma LQ, Gu QB, Li FS. Application of portable gas chromatography-photo ionization detector combined with headspace sampling for field analysis of benzene, toluene, ethylbenzene, and xylene in soils. ENVIRONMENTAL MONITORING AND ASSESSMENT 2013; 185:3037-3048. [PMID: 22961327 DOI: 10.1007/s10661-012-2771-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2012] [Accepted: 06/28/2012] [Indexed: 06/01/2023]
Abstract
A method based on headspace (HS) sampling coupling with portable gas chromatography (GC) with photo ionization detector (PID) was developed for rapid determination of benzene, toluene, ethylbenzene, and xylenes (BTEX) in soils. Optimal conditions for HS gas sampling procedure were determined, and the influence of soil organic matter on the recovery of BTEX from soil was investigated using five representative Chinese soils. The results showed that the HS-portable-GC-PID method could be effectively operated at ambient temperature, and the addition of 15 ml of saturated NaCl solution in a 40-ml sampling vial and 60 s of shaking time for sample solution were optimum for the HS gas sampling procedure. The recoveries of each BTEX in soils ranged from 87.2 to 105.1 %, with relative standard deviations varying from 5.3 to 7.8 %. Good linearity was obtained for all BTEX compounds, and the detection limits were in the 0.1 to 0.8 μg kg(-1) range. Soil organic matter was identified as one of the principal elements that affect the HS gas sampling of BTEX in soils. The HS-portable-GC-PID method was successfully applied for field determination of benzene and toluene in soils of a former chemical plant in Jilin City, northeast China. Considering its satisfactory repeatability and reproducibility and particular suitability to be operated in ambient environment, HS sampling coupling with portable GC-PID is, therefore, recommended to be a suitable screening tool for rapid on-site determination of BTEX in soils.
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Affiliation(s)
- You-Ya Zhou
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, No 8 DaYangFang, AnWai, Beijing 100012, People's Republic of China
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27
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Fernandes VC, Domingues VF, Mateus N, Delerue-Matos C. Multiresidue pesticides analysis in soils using modified QuEChERS with disposable pipette extraction and dispersive solid-phase extraction. J Sep Sci 2012; 36:376-82. [DOI: 10.1002/jssc.201200673] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2012] [Revised: 08/22/2012] [Accepted: 09/23/2012] [Indexed: 11/12/2022]
Affiliation(s)
- Virgínia C. Fernandes
- REQUIMTE; Instituto Superior de Engenharia; Instituto Politécnico do Porto; Porto Portugal
- CIQ-Centro de Investigação em Química, Departamento de Química e Bioquímica; Faculdade de Ciência da Universidade do Porto; Porto Portugal
| | - Valentina F. Domingues
- REQUIMTE; Instituto Superior de Engenharia; Instituto Politécnico do Porto; Porto Portugal
| | - Nuno Mateus
- CIQ-Centro de Investigação em Química, Departamento de Química e Bioquímica; Faculdade de Ciência da Universidade do Porto; Porto Portugal
| | - Cristina Delerue-Matos
- REQUIMTE; Instituto Superior de Engenharia; Instituto Politécnico do Porto; Porto Portugal
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28
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Bragança I, Plácido A, Paíga P, Domingues VF, Delerue-Matos C. QuEChERS: a new sample preparation approach for the determination of ibuprofen and its metabolites in soils. THE SCIENCE OF THE TOTAL ENVIRONMENT 2012; 433:281-289. [PMID: 22796726 DOI: 10.1016/j.scitotenv.2012.06.035] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2012] [Revised: 06/08/2012] [Accepted: 06/11/2012] [Indexed: 06/01/2023]
Abstract
Ibuprofen is one of the most used active pharmaceutical ingredients worldwide. A new method for the analysis of ibuprofen and its metabolites, hydroxyibuprofen and carboxyibuprofen, in soils is presented. The extraction of these compounds from the soil matrices was performed by using a modified quick, easy, cheap, effective, rugged, and safe (QuEChERS) method. The method involves a single extraction of the investigated compounds with purified water (acidified at pH 2.5 with hydrochloric acid), and a slow and continuous addition of the QuEChERS content, followed by the addition of acidified acetonitrile (1% acetic acid), prior to the determination by liquid chromatography coupled with fluorescence detection (LC-FLD). Validation studies were carried out using soil samples with a range of organic carbon contents. Recoveries of the fortified samples ranged from 79.5% to 101%. Relative standard deviations for all matrix-compound combinations did not exceed 3%. The method quantification limits were ≤22.4 μg kg(-1) in all cases. The developed method was applied to the analysis of sixteen real samples.
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Affiliation(s)
- Idalina Bragança
- REQUIMTE, Instituto Superior de Engenharia do Porto, Rua Dr António Bernardino de Almeida, no. 431, 4200-072 Porto, Portugal
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29
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Correia-Sá L, Fernandes VC, Carvalho M, Calhau C, Domingues VF, Delerue-Matos C. Optimization of QuEChERS method for the analysis of organochlorine pesticides in soils with diverse organic matter. J Sep Sci 2012; 35:1521-30. [DOI: 10.1002/jssc.201200087] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Luísa Correia-Sá
- REQUIMTE; Instituto Superior de Engenharia do Porto; Porto Portugal
- FCNAUP; Porto Portugal
| | - Virgínia C. Fernandes
- REQUIMTE; Instituto Superior de Engenharia do Porto; Porto Portugal
- CIQ (Investigation Centre); Porto Portugal
| | - Manuela Carvalho
- REQUIMTE; Instituto Superior de Engenharia do Porto; Porto Portugal
| | - Conceição Calhau
- Department of Biochemistry (U38-FCT); Faculty of Medicine; University of Porto, Porto Portugal
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