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Moro TT, Elias WC, Borges I, Bascuñan VLAF, Chaves ES, de A Maranhão T. Sulfur fractionation using high-resolution continuum source molecular absorption spectrometry with calcium and hydrophobic palladium nanoparticles as chemical modifiers. Talanta 2024; 280:126694. [PMID: 39173247 DOI: 10.1016/j.talanta.2024.126694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Revised: 07/30/2024] [Accepted: 08/07/2024] [Indexed: 08/24/2024]
Abstract
The unprecedented use of high-resolution continuum source molecular absorption spectrometry (HR-CS MAS) for the fractionation of organic and inorganic sulfur (S) species through monitoring the CS molecule is presented here. Two separate methods for determining organic (CSorg) and inorganic (CSino) sulfur were developed to work sequentially. The optimized temperature program for both methodologies has two pyrolysis steps and one vaporization step (1st Tpyr: 1800 and 2ndTpyr: 800 °C, and Tvap: 2500 °C). The fractionation was achieved by implementing hydrophobic Pd NPs and Ca as chemical modifiers for the CSorg and CSino methods. Method development was performed by applying different statistical models, allowing the definition of optimal conditions for the chemical modifier mass, and minimizing the S species interconversion, i.e., Doehlert design, and central composite design. The limits of detection (LoD) for CSorg and CSino were 2.4 and 2.1 mg L-1, respectively. Recovery tests evaluated the method's specificity and accuracy; over 92 % recovery was found for both CSorg and CSino. Thus, the proposed methods offer a reliable alternative for fractionating organic and inorganic S by using HR-CS MAS.
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Affiliation(s)
- Thebny Thaise Moro
- Chemistry Department, Federal University of Santa Catarina, 88040-900, Florianópolis, Santa Catarina, Brazil.
| | - Welman C Elias
- Chemistry Department, Federal University of Santa Catarina, 88040-900, Florianópolis, Santa Catarina, Brazil
| | - Isabelle Borges
- Chemistry Department, Federal University of Santa Catarina, 88040-900, Florianópolis, Santa Catarina, Brazil
| | - Vera L A F Bascuñan
- Chemistry Department, Federal University of Santa Catarina, 88040-900, Florianópolis, Santa Catarina, Brazil
| | - Eduardo S Chaves
- Chemistry Department, Federal University of Santa Catarina, 88040-900, Florianópolis, Santa Catarina, Brazil
| | - Tatiane de A Maranhão
- Chemistry Department, Federal University of Santa Catarina, 88040-900, Florianópolis, Santa Catarina, Brazil
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Moro TT, Arcênio PP, de Oliveira FJ, Chaves ES, Bascuñan VL, Maranhão TDA. Determination of extractable fluorine from residue of oil and gas industry by HR-CS MAS applying toxicity characteristic leaching procedure. J Fluor Chem 2021. [DOI: 10.1016/j.jfluchem.2021.109917] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Souza LRR. Determination of Non-Metals by Molecular Absorption: A Minireview from the Beginning through Recent Developments in High-Resolution Continuum Source Molecular Absorption Spectrometry (HR-CS MAS). ANAL LETT 2021. [DOI: 10.1080/00032719.2021.1878526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Abad C, Mimus S, Recknagel S, Jakubowski N, Panne U, Becker-Ross H, Huang MD. Determination of organic chlorine in water via AlCl derivatization and detection by high-resolution continuum source graphite furnace molecular absorption spectrometry. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:3724-3730. [PMID: 34286717 DOI: 10.1039/d1ay00430a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
High-resolution continuum source graphite furnace molecular absorption spectrometry (HR-CS-GF-MAS) was employed for determining adsorbable organic chlorine (AOCl) in water. Organic chlorine was indirectly quantified by monitoring the molecular absorption of the transient aluminum monochloride molecule (AlCl) around a wavelength of 261.42 nm in a graphite furnace. An aluminum solution was used as the molecular-forming modifier. A zirconium coated graphite furnace, as well as Sr and Ag solutions were applied as modifiers for a maximal enhancement of the absorption signal. The pyrolysis and vaporization temperatures were 600 °C and 2300 °C, respectively. Non-spectral interferences were observed with F, Br, and I at concentrations higher than 6 mg L-1, 50 mg L-1, and 100 mg L-1, respectively. Calibration curves with NaCl, 4-chlorophenol, and trichlorophenol present the same slope and dynamic range, which indicates the chlorine atom specificity of the method. This method was evaluated and validated using synthetic water samples, following the current standard DIN EN ISO 9562:2004 for the determination of the sum parameter adsorbable organic halides (AOX) for water quality. These samples contain 4-chlorophenol as the chlorinated organic standard in an inorganic chloride matrix. Prior to analysis, organic chlorine was extracted from the inorganic matrix via solid-phase extraction with a recovery rate >95%. There were no statistically significant differences observed between measured and known values and for a t-test a confidence level of 95% was achieved. The limits of detection and characteristic mass were found to be 48 and 22 pg, respectively. The calibration curve was linear in the range 0.1-2.5 ng with a correlation coefficient R2 = 0.9986.
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Affiliation(s)
- Carlos Abad
- Bundesanstalt für Materialforschung und -prüfung (BAM), Richard-Willstätter-Str. 11, 12489 Berlin, Germany.
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Resano M, Aramendía M, Nakadi FV, García-Ruiz E, Alvarez-Llamas C, Bordel N, Pisonero J, Bolea-Fernández E, Liu T, Vanhaecke F. Breaking the boundaries in spectrometry. Molecular analysis with atomic spectrometric techniques. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2020.115955] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Sequential and simultaneous determination of chlorine, iron, and silicon in beer samples by high-resolution continuum source graphite furnace molecular and atomic absorption spectrometry. FOOD ANAL METHOD 2020. [DOI: 10.1007/s12161-020-01787-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Tjabadi E, Mketo N. Recent developments for spectrometric, chromatographic and electroanalytical determination of the total sulphur and halogens in various matrices. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.05.033] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Optimal mechanical properties of biodegradable natural rubber-toughened PHBV bioplastics intended for food packaging applications. Food Packag Shelf Life 2019. [DOI: 10.1016/j.fpsl.2019.100348] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Tinas H, Dirak M, Ozbek N, Akman S. Determination of Chlorine in Plastics via SrCl by Solid-Sampling High-Resolution Continuum Source Graphite Furnace Molecular Absorption Spectrometry. ANAL LETT 2019. [DOI: 10.1080/00032719.2018.1553978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Hande Tinas
- Department of Chemistry, Faculty of Arts and Sciences, Istanbul Technical University, Maslak, Istanbul, Turkey
| | - Musa Dirak
- Department of Chemistry, Faculty of Arts and Sciences, Istanbul Technical University, Maslak, Istanbul, Turkey
| | - Nil Ozbek
- Department of Chemistry, Faculty of Arts and Sciences, Istanbul Technical University, Maslak, Istanbul, Turkey
| | - Suleyman Akman
- Department of Chemistry, Faculty of Arts and Sciences, Istanbul Technical University, Maslak, Istanbul, Turkey
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Felix CS, Silva DG, Andrade HM, Riatto VB, Victor MM, Ferreira SL. An on-line system using ion-imprinted polymer for preconcentration and determination of bismuth in seawater employing atomic fluorescence spectrometry. Talanta 2018; 184:87-92. [DOI: 10.1016/j.talanta.2018.02.089] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 02/23/2018] [Accepted: 02/24/2018] [Indexed: 01/19/2023]
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Ferreira SL, Lemos VA, de Carvalho VS, da Silva EG, Queiroz AF, Felix CS, da Silva DL, Dourado GB, Oliveira RV. Multivariate optimization techniques in analytical chemistry - an overview. Microchem J 2018. [DOI: 10.1016/j.microc.2018.04.002] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Hu J, Sturgeon RE, Nadeau K, Hou X, Zheng C, Yang L. Copper Ion Assisted Photochemical Vapor Generation of Chlorine for Its Sensitive Determination by Sector Field Inductively Coupled Plasma Mass Spectrometry. Anal Chem 2018; 90:4112-4118. [PMID: 29494129 DOI: 10.1021/acs.analchem.8b00035] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
A novel, reliable, and sensitive approach for the determination of chlorine by sector field inductively coupled plasma mass spectrometry (SF-ICPMS) using photochemical vapor generation for sample introduction is presented. Methyl chloride is generated from different chlorine species in a flow-through photochemical reactor using a 1% solution of acetic acid containing 7.5 μg g-1 of Cu2+. The volatile product is directed by an argon carrier gas to a gas-liquid separator and introduced into the instrument. A sample flow rate at 1.7 mL min-1 and a 45 s irradiation time provided a 74-fold enhancement in sensitivity compared to conventional nebulization. A blank-limited detection limit of 0.5 ng g-1 for chloride, suitable for quantitation at trace levels, was achieved. The proposed method was validated by analysis of two certified reference materials, NIST SRM 1568b rice flour and SRM 1571 orchard leaves, with satisfactory results, as well as three varieties of bottled water, achieving spike recoveries between 101% and 105%.
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Affiliation(s)
- Jing Hu
- Analytical & Testing Center , Sichuan University , 29 Wangjiang Road , Chengdu , Sichuan 610064 , China.,National Research Council Canada , 1200 Montreal Road , Ottawa , Ontario K1A 0R6 , Canada
| | - Ralph E Sturgeon
- National Research Council Canada , 1200 Montreal Road , Ottawa , Ontario K1A 0R6 , Canada
| | - Kenny Nadeau
- National Research Council Canada , 1200 Montreal Road , Ottawa , Ontario K1A 0R6 , Canada
| | - Xiandeng Hou
- Analytical & Testing Center , Sichuan University , 29 Wangjiang Road , Chengdu , Sichuan 610064 , China
| | - Chengbin Zheng
- Key Laboratory of Green Chemistry and Technology, and MOE College of Chemistry , Sichuan University , Chengdu , Sichuan 610064 , China
| | - Lu Yang
- National Research Council Canada , 1200 Montreal Road , Ottawa , Ontario K1A 0R6 , Canada
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Determination of free and total sulfur(IV) compounds in coconut water using high-resolution continuum source molecular absorption spectrometry in gas phase. Talanta 2018; 179:810-815. [DOI: 10.1016/j.talanta.2017.11.070] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2017] [Revised: 11/27/2017] [Accepted: 11/28/2017] [Indexed: 11/22/2022]
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