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Cherviakouski K, Pandey OP, Liu J, van der Zwan FM. Application of microwave digestion for complete dissolution of igneous silicate rock samples: A simple and quick sample preparation procedure. Talanta 2024; 277:126377. [PMID: 38850803 DOI: 10.1016/j.talanta.2024.126377] [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: 04/25/2024] [Accepted: 06/05/2024] [Indexed: 06/10/2024]
Abstract
In the area of geochemical analyses of rock solutions, achieving a complete sample dissolution is a fundamental prerequisite for obtaining accurate, precise and reliable analytical results. The challenge posed by the presence of resistant minerals such as zircon, rutile, corundum, spinel, tourmaline, beryl, chromite, and cassiterite in different silicate rocks is a well-recognized challenge in geological studies. These minerals, due to their resilient nature, demand additional efforts to ensure complete dissolution during sample preparation. The prevailing conventional sample digestion methods require several days of laboratory work and the handling of large amounts of multiple types of acids, which also increase sample blanks. Until recently, there was a widely held belief that microwave-assisted digestion, where microwave radiation is transformed to heat, faced limitations in achieving complete dissolution of refractory minerals. This prevailing opinion led to skepticism about the applicability of microwave-assisted digestion for sample preparation of e.g. igneous rock samples containing these minerals. This study introduces a novel, universal and quick closed-vessel (pressurized) high-temperature microwave-assisted digestion method appropriate for dissolution of all major types of igneous silicate rock samples, including rocks containing refractory minerals. This streamlined and expeditious procedure, comprising three steps, requires only a total time of ∼9 h. The method proves its versatility by successfully dissolving both, mafic igneous samples (e.g., basalt) with low-content of resistant minerals, and felsic igneous samples (e.g., granite) with relatively high-content of resistant minerals. To validate the reliability of this procedure, 36 trace elements were analyzed: Li, Be, Sc, V, Cr, Co, Ni, Cu, Zn, Ga, Rb, Sr, Y, Zr, Nb, Cs, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Hf, Ta, Pb, Th and U in several geological Certified Reference Materials (CRMs). The CRMs including basalts JB-3, BCR-2, BHVO-2; andesites JA-2, AGV-2; granodiorite GSP-2; granite JG-2 and alkaline granite MGL-OShBO, were digested and analyzed using triple quadrupole Inductively Coupled-Plasma-Mass Spectrometer (ICP-QQQ). The results of the analysis demonstrate remarkable consistency, closely aligning with both certified and literature values.
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Affiliation(s)
- Klimentsi Cherviakouski
- Analytical Core Lab, King Abdullah University of Science and Technology, Thuwal 23955, Saudi Arabia.
| | - Om Prakash Pandey
- Physical Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal 23955, Saudi Arabia
| | - Jingyu Liu
- Analytical Core Lab, King Abdullah University of Science and Technology, Thuwal 23955, Saudi Arabia
| | - Froukje M van der Zwan
- Physical Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal 23955, Saudi Arabia
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Makombe M, van der Horst C, Somerset V. Improved borate fusion technique for determination of rare earth elements in electronic waste components. ENVIRONMENTAL TECHNOLOGY 2023; 44:1047-1060. [PMID: 34649466 DOI: 10.1080/09593330.2021.1994017] [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: 04/29/2021] [Accepted: 10/10/2021] [Indexed: 06/13/2023]
Abstract
The information regarding the abundance of rare earth elements (REEs) in electronic waste components (EWC) helps the recycling industry. However, after the end of use, improper disposal may be detrimental to the environment by releasing toxic substances. An optimised alkaline borate fusion method for REEs determination in electronic waste (e-waste) was developed. It is divided into three phases. Firstly, the sample preparation stages were investigated. Secondly, the optimisation of experimental particulars comprises the choice of oxidiser, flux composition, non-wetting agents, fusion time, and sample to flux ratio. The third phase consists of spectroscopic determination by inductively coupled plasma optical emission spectroscopy (ICP-OES) and X-ray fluorescence (XRF) spectroscopy. The highest REEs recovery (mg/g of e-waste) were found more in fine fractions of less than 0.09 mm compared to gross fractions. The optimum and safe fusion conditions for e-waste were achieved after slow thermal decomposition up to 550°C, pulverisation to 90% of -53 µm, flux composition (90%LiBO2 + 10% Li2B4O7), 3:1 oxidant ratio of Na2CO3: NaNO3, LiBr as the non-wetting agent. Also, a sample to flux ratio of 1:15 and a total fusion time of 10 min was optimised. The newly improved alkaline fusion results compared better to those obtained from classical mineral acid dissolution with at most 5% RSD on REEs studied. The alkaline borate fusion results in smartphones e-waste were at least 15% and 25% higher than in four acid digest and microwave-assisted digest techniques, respectively. The results indicated enrichment of REEs in smartphones followed by non-smartphones and computer waste.
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Affiliation(s)
- Martin Makombe
- Chemistry Department, Faculty of Applied Sciences, Cape Peninsula University of Technology, Bellville, South Africa
- Scientific Services Consulting Analytical Laboratory, Cape Town, South Africa
| | - Charlton van der Horst
- Chemistry Department, Faculty of Applied Sciences, Cape Peninsula University of Technology, Bellville, South Africa
| | - Vernon Somerset
- Chemistry Department, Faculty of Applied Sciences, Cape Peninsula University of Technology, Bellville, South Africa
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Tranos J, Das A, Zhang J, Hafeez S, Arvanitakis GN, Thomson SAJ, Khan S, Pandya N, Kim SG, Wadghiri YZ. Rapid In Vitro Quantification of a Sensitized Gadolinium Chelate via Photoinduced Triplet Harvesting. ACS OMEGA 2023; 8:2907-2914. [PMID: 36713694 PMCID: PMC9878670 DOI: 10.1021/acsomega.2c05040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Accepted: 11/18/2022] [Indexed: 06/18/2023]
Abstract
Gadolinium (Gd) based contrast agents (GBCAs) are widely used in magnetic resonance imaging (MRI) and are paramount to cancer diagnostics and tumor pharmacokinetic analysis. Accurate quantification of gadolinium concentration is essential to monitoring the biodistribution, clearance, and pharmacodynamics of GBCAs. However, current methods of quantifying gadolinium in blood or plasma (biological media) are both low throughput and clinically unavailable. Here, we have demonstrated the use of a sensitized gadolinium chelate, Gd[DTPA-cs124], as an MRI contrast agent that can be used to measure the concentration of gadolinium via luminescence quantification in biological media following transmetalation with a terbium salt. Gd[DTPA-cs124] was synthesized by conjugating carbostyril-124 (cs124) to diethylenetriaminepentaacetic acid (DTPA) and chelating to gadolinium. We report increases in both stability and relaxivity compared to the clinically approved analog Gd[DTPA] (gadopentetic acid or Magnevist). In vivo MRI experiments were conducted using C57BL6 mice in order to further illustrate the performance of Gd[DTPA-cs124] as an MRI contrast agent in comparison to Magnevist. Our results indicate that similar chemical modification to existing clinically approved GBCA may likewise provide favorable property changes, with the ability to be used in a gadolinium quantification assay. Furthermore, our assay provides a straightforward and high-throughput method of measuring gadolinium in biological media using a standard laboratory plate reader.
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Affiliation(s)
- James
A. Tranos
- Center
for Biomedical Imaging (CBI), Center for Advanced Imaging Innovation
and Research (CAI2R), Department of Radiology, NYU Grossman School of Medicine, New York, New York 10016, United States
| | - Ayesha Das
- Department
of Radiology, Weill Cornell Medical College, New York, New York 10065, United States
| | - Jin Zhang
- Department
of Radiology, Weill Cornell Medical College, New York, New York 10065, United States
| | - Sonia Hafeez
- Center
for Biomedical Imaging (CBI), Center for Advanced Imaging Innovation
and Research (CAI2R), Department of Radiology, NYU Grossman School of Medicine, New York, New York 10016, United States
| | | | | | - Suleiman Khan
- Center
for Biomedical Imaging (CBI), Center for Advanced Imaging Innovation
and Research (CAI2R), Department of Radiology, NYU Grossman School of Medicine, New York, New York 10016, United States
| | - Neelam Pandya
- Center
for Biomedical Imaging (CBI), Center for Advanced Imaging Innovation
and Research (CAI2R), Department of Radiology, NYU Grossman School of Medicine, New York, New York 10016, United States
| | - Sungheon Gene Kim
- Department
of Radiology, Weill Cornell Medical College, New York, New York 10065, United States
| | - Youssef Z. Wadghiri
- Center
for Biomedical Imaging (CBI), Center for Advanced Imaging Innovation
and Research (CAI2R), Department of Radiology, NYU Grossman School of Medicine, New York, New York 10016, United States
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Tupaz CAJ, Gregorio CGC, Arcilla C. Determination of Scandium (Sc), Yttrium (Y), and Rare-Earth Elements (REEs) in Mafic and Ultramafic Rock Powder by a Modified and Validated Digestion Protocol and Inductively Coupled Plasma – Mass Spectrometry (ICP-MS). ANAL LETT 2022. [DOI: 10.1080/00032719.2022.2110256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Affiliation(s)
| | | | - Carlo Arcilla
- Department of Science and Technology, Philippine Nuclear Research Institute, Quezon City, Philippines
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Evaluation of Refractory Metal Concentrations in Nano-Particulate Pressed-Powder Pellets Using LA-ICP-MS. MINERALS 2022. [DOI: 10.3390/min12070869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Whole-rock geochemical analysis is a standard method to measure the chemical composition of ores. Analysis of refractory ore metals such as Ta and W typically requires fused bead and acid digestion followed by inductively coupled plasma atomic emission spectrometry (ICP-AES) and inductively coupled mass spectrometry (ICP-MS). Since these techniques are time-consuming and expensive, there is a demand for methods that can quantitatively measure low elemental concentration of refractory ore metals using a less expensive and simple approach. This paper evaluates preparation and analytical procedures developed to obtain whole-rock element concentrations of ore samples and mineral concentrates. It shows that the production of nano-particulate pressed-powder pellets followed by LA-ICP-MS analysis of W and Ta ores can be used to determine, within the error margin, the concentrations of the refractory metals W, Ta, Nb, and Sn compared to a reference values obtained by solution analysis. The results have implications for developing a commercially viable method for analysis of refractory elements to benefit mineral processing given the simplicity and resource-efficiency of the combined pressed pellet production and laser ablation analytical methodology.
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Geisenblosen MC, Oyhantçabal P, Pistón M. Determination of major elements in igneous rocks using microwave plasma atomic emission spectrometry (MP-AES). MethodsX 2022; 9:101793. [PMID: 35942207 PMCID: PMC9356267 DOI: 10.1016/j.mex.2022.101793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 07/20/2022] [Indexed: 12/01/2022] Open
Abstract
An analytical method for sample preparation of igneous rocks and subsequent determination of Si, Na, K, Ca, Mg, Al, Fe, Mn, Ba, Sr, and Ti by means of microwave induced emission spectrometry (MP-AES) was developed and validated. The proposed sample preparation procedure avoids the use of perchloric acid and provided accurate results even for silicon determination using an acid digestion with hydrofluoric acid. The determination of major elements in rocks is required for the design of classification diagrams that provides relevant information for geochemical analysis.MP-AES showed to be an adequate technique to measure major and some trace elements that are relevant for classification of igneous rocks. This method is in better agreement with the principles of the Green Analytical Chemistry and constitutes a reliable alternative to classical analytical and tedious procedures used for geochemical analysis. The methodology was successfully applied to chemical classification of rocks from Valle Chico (Uruguay) using a Total Alkali-Silica Diagram (TAS).
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Affiliation(s)
- María Cecilia Geisenblosen
- Dirección Nacional de Minería y Geología, Ministerio de Industria Energía y Minería, Montevideo, Uruguay
- Graduate Program in Chemistry, Facultad de Química, Universidad de la República, Gral. Flores 2124, Montevideo, Uruguay
| | - Pedro Oyhantçabal
- Departamento de Geodinámica Interna, Instituto de Ciencias Geológicas, Facultad de Ciencias, Universidad de la República, Montevideo, Uruguay
| | - Mariela Pistón
- Grupo de Análisis de Elementos Traza y Desarrollo de Estrategias Simples para Preparación de Muestras (GATPREM), Analytical Chemistry, DEC, Facultad de Química, Universidad de la República, Gral. Flores 2124, Montevideo, Uruguay
- Corresponding author.
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Development and Validation of an Analytical Method for Determination of Al, Ca, Cd, Fe, Mg and P in Calcium-Rich Materials by ICP OES. Molecules 2021; 26:molecules26206269. [PMID: 34684850 PMCID: PMC8539708 DOI: 10.3390/molecules26206269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 10/13/2021] [Accepted: 10/13/2021] [Indexed: 11/18/2022] Open
Abstract
Four procedures based on closed-vessel microwave-assisted wet digestion with different oxidative reagents, including HNO3 (P1), HNO3 + H2O2 (P2), aqua regia (P3) and Lefort aqua regia (P4), for preparation of calcium (Ca)-rich materials prior to determination of total concentrations of Al, Ca, Cd, Fe, Mg and P by inductively coupled optical emission spectrometry (ICP OES) were compared. It was found that digestion with Lefort aqua regia (P4) provided the best results for all examined elements, i.e., precision of 0.30–4.4%, trueness better than 2%, recoveries of added elements between 99.5–101.9%, and limits of detection within 0.08–1.8 ng g−1. Reliability of this procedure was verified by analysis of relevant certified reference materials (CRMs), i.e., Natural Moroccan Phosphate Rock—Phosphorite (BCR-O32). Additionally, selection of appropriate analytical lines for measurements of element concentrations, linear dynamic ranges of calibration curves and matrix effects on the analyte response were extensively investigated. Finally, the selected procedure was successfully applied for routine analysis of other Ca-rich materials, i.e., CRMs such as NIST 1400 (Bone Ash), CTA-AC-1 (Apatite Concentrate Kola Peninsula) and NCS DC70308 (Carbonate Rock), and six natural samples, such as a dolomite, a phosphate rock, an enriched superphosphate fertilizer, pork bones, pork bones after incineration, and after steam gasification.
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Bettinardi DJ, Brown MA, Paulenova A, Tsai Y, Tkac P. Separation and determination of ultratrace rhenium quantities in molybdenum matrix. SEP SCI TECHNOL 2020. [DOI: 10.1080/01496395.2020.1849304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- David J. Bettinardi
- Argonne National Laboratory, Chemical and Fuel Cycle Technologies Division, Lemont, IL, USA
- School of Nuclear Science and Engineering, Oregon State University, Corvallis, OR, USA
| | - M. Alex Brown
- Argonne National Laboratory, Chemical and Fuel Cycle Technologies Division, Lemont, IL, USA
| | - Alena Paulenova
- School of Nuclear Science and Engineering, Oregon State University, Corvallis, OR, USA
| | - Yifen Tsai
- Argonne National Laboratory, Chemical and Fuel Cycle Technologies Division, Lemont, IL, USA
| | - Peter Tkac
- Argonne National Laboratory, Chemical and Fuel Cycle Technologies Division, Lemont, IL, USA
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Xijuan Tan, Zhuming Wang. General High-Pressure Closed Acidic Decomposition Method of Rock Samples for Trace Element Determination Using Inductively Coupled Plasma Mass Spectrometry. JOURNAL OF ANALYTICAL CHEMISTRY 2020. [DOI: 10.1134/s1061934820100147] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Gatiboni TL, Iop GD, Diehl LO, Flores EMM, Muller EI, Mello PA. An ultrasound-assisted sample preparation method of carbonatite rock for determination of rare earth elements by inductively coupled plasma mass spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2020; 34 Suppl 3:e8732. [PMID: 31960513 DOI: 10.1002/rcm.8732] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2019] [Revised: 01/16/2020] [Accepted: 01/17/2020] [Indexed: 05/14/2023]
Abstract
RATIONALE A method for the determination of rare earth elements in carbonatite rocks by inductively coupled plasma mass spectrometry (ICP-MS) was developed. METHODS An alkaline rock, carbonatite, was submitted to ultrasound-assisted extraction (USAE) using an ultrasound bath, a cup horn system or an ultrasound probe. The main USAE parameters were evaluated, such as extraction time (1 to 30 min), extraction temperature (20 to 100°C) and ultrasound amplitude (10 to 100%). For ICP-MS, a desolvation system (APEX-Q) was used to reduce interference in lanthanide determination. To evaluate if the effect of ultrasound improved extraction, experiments were carried out using magnetic stirring (500 rpm) for comparison. RESULTS The temperature and ultrasound amplitude optimized for the method were 70°C and 40%, respectively, using dilute nitric acid (3% v/v). Quantitative analyte recoveries were obtained using an ultrasound bath (25 kHz/100 W) which allowed for the simultaneous extraction of twelve replicates. CONCLUSIONS All the results obtained with the use of ultrasound systems were better than those obtained with mechanical stirring. The extracts were suitable for ICP-MS analysis and the results were in agreement with those obtained by the reference method (using wet acid digestion). Based on the results, the use of USAE can be considered an alternative method for sample preparation of carbonatite rocks, under milder conditions, for further ICP-MS analysis.
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Affiliation(s)
- Thais L Gatiboni
- Departamento de Química, Universidade Federal de Santa Maria, 97105-900, Santa Maria, RS, Brazil
| | - Gabrielle D Iop
- Departamento de Química, Universidade Federal de Santa Maria, 97105-900, Santa Maria, RS, Brazil
| | - Lisarb O Diehl
- Departamento de Química, Universidade Federal de Santa Maria, 97105-900, Santa Maria, RS, Brazil
| | - Erico M M Flores
- Departamento de Química, Universidade Federal de Santa Maria, 97105-900, Santa Maria, RS, Brazil
| | - Edson I Muller
- Departamento de Química, Universidade Federal de Santa Maria, 97105-900, Santa Maria, RS, Brazil
| | - Paola A Mello
- Departamento de Química, Universidade Federal de Santa Maria, 97105-900, Santa Maria, RS, Brazil
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Kolotov VP, Zhilkina AV, Shirokova VI, Dogadkin NN, Gromyak IN, Dogadkin DN, Zybinsky AM, Tyurin DA. A New Approach to Sample Mineralization in an Open System for the Analysis of Geological Samples by Inductively Coupled Plasma Mass Spectrometry with Improved Performance Characteristics. JOURNAL OF ANALYTICAL CHEMISTRY 2020. [DOI: 10.1134/s1061934820050081] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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12
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Cu2O-CuO ball like/multiwalled carbon nanotube hybrid for fast and effective ultrasound-assisted solid phase extraction of uranium at ultra-trace level prior to ICP-MS detection. Talanta 2020; 207:120295. [DOI: 10.1016/j.talanta.2019.120295] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Revised: 08/21/2019] [Accepted: 08/22/2019] [Indexed: 12/29/2022]
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Sandoval Rojano WJ, dos Anjos T, Duyck CB, Saint'Pierre TD. Determination of rare earth elements in environmental samples with high concentrations of barium by quadrupole inductively coupled plasma mass spectrometry. Microchem J 2019. [DOI: 10.1016/j.microc.2019.104026] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Quantification of trace level rare earth elements in Al matrices by ICP-MS. RADIOCHIM ACTA 2018. [DOI: 10.1515/ract-2018-3019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
A method has been developed for quantification of trace rare earth (Ce, Dy, Er, Eu, Gd, Ho, La, Nd, Pr, Sm, Tb and Yb) impurities in alumina and aluminum by inductively coupled plasma mass spectrometry (ICP-MS) after matrix separation. The matrix separation was achieved by selective precipitation of trace elements. Due to its refractory nature a microwave digestion method was developed and optimized for the quantitative dissolution of Al2O3. The analytical methodology was validated by recovery studies with standard addition as well as with an independent γ-spectrometry technique using 152,154Eu tracers. The observed recovery in the synthetic samples was in the range of 93–100% with precision within 6.1–11.6 (%RSD), while the same in the case of radio tracer technique were found to be >98% and <2% (RSD), respectively. The method detection limit was found within 0.5–8.3 μg kg−1, respectively. The procedure is simple, organic waste free and suitable for routine analysis.
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Dai X, Rasamani KD, Hu F, Sun Y. Mesoporous SiO 2 Nanoparticles: A Unique Platform Enabling Sensitive Detection of Rare Earth Ions with Smartphone Camera. NANO-MICRO LETTERS 2018; 10:55. [PMID: 30393703 PMCID: PMC6199100 DOI: 10.1007/s40820-018-0208-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Accepted: 05/06/2018] [Indexed: 06/08/2023]
Abstract
Fast and sensitive detection of dilute rare earth species still represents a challenge for an on-site survey of new resources and evaluation of the economic value. In this work, a robust and low-cost protocol has been developed to analyze the concentration of rare earth ions using a smartphone camera. The success of this protocol relies on mesoporous silica nanoparticles (MSNs) with large-area negatively charged surfaces, on which the rare earth cations (e.g., Eu3+) are efficiently adsorbed through electrostatic attraction to enable a "concentrating effect". The initial adsorption rate is as fast as 4025 mg (g min)-1, and the adsorption capacity of Eu3+ ions in the MSNs is as high as 4730 mg g-1 (equivalent to ~ 41.2 M) at 70 °C. The concentrated Eu3+ ions in the MSNs can form a complex with a light sensitizer of 1,10-phenanthroline to significantly enhance the characteristic red emission of Eu3+ ions due to an "antenna effect" that relies on the efficient energy transfer from the light sensitizer to the Eu3+ ions. The positive synergy of "concentrating effect" and "antenna effect" in the MSNs enables the analysis of rare earth ions in a wide dynamic range and with a detection limit down to ~ 80 nM even using a smartphone camera. Our results highlight the promise of the protocol in fieldwork for exploring valuable rare earth resources.
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Affiliation(s)
- Xinyan Dai
- Department of Chemistry, Temple University, 1901 North 13th Street, Philadelphia, PA, 19122, USA
| | - Kowsalya D Rasamani
- Department of Chemistry, Temple University, 1901 North 13th Street, Philadelphia, PA, 19122, USA
| | - Feng Hu
- Department of Chemistry, Temple University, 1901 North 13th Street, Philadelphia, PA, 19122, USA
| | - Yugang Sun
- Department of Chemistry, Temple University, 1901 North 13th Street, Philadelphia, PA, 19122, USA.
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Verni ER, Londonio A, Bazán C, Strasser E, Perino E, Gil RA. REE profiling in basic volcanic rocks after ultrasonic sample treatment and ICPMS analysis with oxide ion formation in ICP enriched with O 2. Microchem J 2017. [DOI: 10.1016/j.microc.2016.07.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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17
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Arantes de Carvalho GG, Kondaveeti S, Petri DF, Fioroto AM, Albuquerque LG, Oliveira PV. Evaluation of calcium alginate beads for Ce, La and Nd preconcentration from groundwater prior to ICP OES analysis. Talanta 2016; 161:707-712. [DOI: 10.1016/j.talanta.2016.09.027] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Revised: 09/08/2016] [Accepted: 09/09/2016] [Indexed: 01/28/2023]
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A novel methodology for rapid digestion of rare earth element ores and determination by microwave plasma-atomic emission spectrometry and dynamic reaction cell-inductively coupled plasma-mass spectrometry. Talanta 2016; 160:521-527. [DOI: 10.1016/j.talanta.2016.07.067] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 07/29/2016] [Accepted: 07/31/2016] [Indexed: 11/18/2022]
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19
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A review of multivariate designs applied to the optimization of methods based on inductively coupled plasma optical emission spectrometry (ICP OES). Microchem J 2016. [DOI: 10.1016/j.microc.2016.05.015] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Rare earths analysis of rock samples by instrumental neutron activation analysis, internal standard method. J Radioanal Nucl Chem 2016. [DOI: 10.1007/s10967-016-4903-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Pradhan S, Zhang J, Jianguo Q, Yun X. Characterization of Geological Certified Reference Materials by Inductively Coupled Plasma-Mass Spectrometry. ANAL LETT 2015. [DOI: 10.1080/00032719.2015.1010123] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Pereira J, Pereira L, Mello P, Guimarães R, Guarnieri R, Fonseca T, Flores E. Microwave-induced combustion of crude oil for further rare earth elements determination by USN–ICP-MS. Anal Chim Acta 2014; 844:8-14. [DOI: 10.1016/j.aca.2014.07.043] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2014] [Revised: 07/24/2014] [Accepted: 07/31/2014] [Indexed: 10/24/2022]
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