A potential stibnite reference material for sulfur isotope determination by LA-MC-ICP-MS
Literature Information
Zhi-hui Dai, Shan-ling Fu, Yue-fu Liu, Yu-miao Meng, Zhi-an Bao, Ke-jun Hou, Ting-guang Lan
The identification of metal and sulfur sources in hydrothermal Sb ore deposits has long been recognized as a challenging task. Stibnite is commonly found as one of the primary ore minerals in most antimony deposits, and it can even occur as the sole ore mineral in some large antimony deposits; therefore, the sulfur isotope composition of stibnite often contains invaluable information for exploring the origin and ore-forming processes of Sb deposits. A well-characterized and matrix-matched material is imperative for conducting in situ S isotope microanalysis. However, the lack of standardized materials for stibnite hinders precise determination of sulfur isotope composition, thereby impeding the application of stibnite sulfur isotopes in deciphering the ore genesis of Sb deposits. The present study recommends the utilization of a natural stibnite (BJ-Snt) as a potential reference material for S isotope analysis employing laser ablation multicollector inductively coupled plasma-mass spectrometry (LA-MC-ICP-MS). The sulfur isotope compositions, backscattered electron (BSE) maps, mineral phases, and elemental compositions were analyzed to evaluate the homogeneity of the stibnite BJ-Snt. The method validation was conducted through comparison of S isotope values obtained by LA-MC-ICP-MS and IRMS, as well as intercomparisons with two other laboratories. The consistent findings have established that BJ-Snt is a suitable standard for bracketing in situ S isotope measurement using LA-MC-ICP-MS, and the recommended δ34S value determined by IRMS was −0.71 ± 0.32‰ (2 s, n = 15).
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DOI: 10.1039/A708698I
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Source Journal
Journal of Analytical Atomic Spectrometry

The Journal of Analytical Atomic Spectrometry (JAAS) is the central journal for publishing innovative research on fundamentals, instrumentation, and methods in the determination, speciation and isotopic analysis of (trace) elements within all fields of application. This includes, but is not restricted to, the most recent progress, developments and achievements in all forms of atomic and elemental detection, isotope ratio determination, molecular analysis, plasma-based analysis and X-ray techniques. The journal welcomes full papers, communications, technical notes, critical and tutorial review articles, editorials, and comments, in addition to the Atomic Spectrometry Updates (ASU) literature reviews that are prepared by an expert panel. Submissions are welcome in the following areas, but note this list reflects the current scope and authors are strongly encouraged to contact the Editorial team if they believe that their work offers potentially new and emerging research relevant to the journal remit: Fundamental studies in the following. New and existing sources for atomic emission, absorption, fluorescence and mass spectrometry and those that provide both atomic and molecular information Sample introduction techniques for solids, liquids, gases Improvements in sensitivity, selectivity, precision, accuracy and/or robustness Isotope ratio measurements, including techniques for improving precision and mass bias correction Single channel and multichannel simultaneous detection systems Chemometrics, statistics, calibration techniques and internal standardisation Theoretical and numerical modelling of fundamental processes related to all of the above methodologies Novel or improved methodologies in areas of application including, but not limited to the following. Biosciences, including elemental, speciation and isotopic analysis in biological systems, immunoassays based on metal-labeled antibodies, bio-imaging, and nanoparticle toxicology Geochemistry Environmental science Materials science, including engineered nanoparticles and quantum dots Metrology, including reference materials Forensic analysis Food and agricultural sciences Energy Archaeometry Molecular analysis. Molecular sources for elemental and isotopic analysis Atomic sources for molecular analysis Atomic and molecular techniques simultaneously used for complementary chemical information All contributions are judged on originality and quality of scientific content, and appropriateness of length to content of new science.














