Tin isotope ratios of eight different geological reference materials were determined using Neptune and Neoma (Thermo Fisher, USA) multi‐collector‐inductively coupled plasma‐mass spectrometry (MC‐ICP‐MS) systems using the 117 Sn‐ 122 Sn double‐spike technique. Tin was purified by two‐stage ion‐exchange chromatography with a recovery of 85% ± 5%, with isobarically interfering matrix elements being reduced to negligible levels. Doping experiments indicated that the Neoma instrument was less affected by isobaric interferences than the Neptune instrument. The determined δ 124/116 Sn SRM3161a values are consistent with published values, and the long‐term (&gt; 6 months) intermediate precision was better than ±0.01‰ amu −1 for both instruments. The method allows the Sn isotope ratios of samples containing ~ 2 ng of Sn to be precisely determined with an Sn solution concentration of 1 ng g −1 .

Wenrui Song

Chuanwei Zhu

Hanjie Wen

Yuxu Zhang

Zerui Liu

Meifu Zhou

Geostandards and Geoanalytical Research

GEOSTANDARDS & GEOANALYTICAL RESEARCH 是一本国际期刊，致力于推进与地质和环境样品的化学分析相关的参考材料、分析技术和数据质量的科学。论文在同行评审后被接受发表。

Geostandards and Geoanalytical Research is an international journal dedicated to advancing the science of reference materials, analytical techniques, and data quality related to the chemical analysis of geological and environmental samples. All papers are accepted for publication after peer review.

《Geostandards and Geoanalytical Research》是一本国际期刊，专注于推动与地质和环境样品的化学分析相关的参考材料、分析技术和数据质量的科学研究。所有论文均经过同行评审后接受发表。

Category	Quartile
地球科学	2
地球科学, 地球化学与地球物理	2

High‐Precision Sn Isotopic Measurement in Geological Materials by Double‐Spike MC‐ICP‐MS

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Journal Info

Category	Quartile
GEOCHEMISTRY & GEOPHYSICS	2