Isotopic Compositions (Li‐B‐Si‐O‐Mg‐Sr‐Nd‐Hf‐Pb) and Fe 2+ /ΣFe Ratios of Three Synthetic Andesite Glass Reference Materials (ARM‐1, ARM‐2, ARM‐3)

Shitou Wu, Yueheng Yang, Klaus Peter Jochum, Rolf L. Romer, Johannes Glodny, Ivan P. Savov, Samuele Agostini, Jan C.m. De Hoog, Stefan T.m. Peters, Andreas Kronz, Chao Zhang, Zhian Bao, Xiaojun Wang, Youlian Li, Guoqiang Tang, Lianjun Feng, Huimin Yu, Zhenxin Li, Le Zhang, Jie LinYuan Zeng, Chunxue Xu, Yaping Wang, Zhu Cui, Li Deng, Jun Xiao, Yanhong Liu, Dingshuai Xue, Di Zhang, Lihui Jia, Hao Wang, Lei Xu, Chao Huang, Liewen Xie, Andreas Pack, Gerhard Wörner, Maoyong He, Chaofeng Li, Honglin Yuan, Fang Huang, Qiuli Li, Jinhui Yang, Xianhua Li, Fuyuan Wu

Research output: Contribution to journalArticlepeer-review


To expand the newly developed ARM glasses as reference materials for in situ microanalysis of isotope ratios and iron oxidation state by a variety of techniques such as SIMS, LA-MC-ICP-MS and EPMA, we report Li-B-Si-O-Mg-Sr-Nd-Hf-Pb isotope data and Fe2+/ΣFe ratios for these glasses. The data were mainly obtained by TIMS, MC-ICP-MS, IR-MS and wet-chemistry colorimetric techniques. The quality of these data was cross-checked by comparing different techniques or by comparing the results from different laboratories using the same technique. All three glasses appear to be homogeneous with respect to the investigated isotope ratios (except for B in ARM-3) and Fe2+/ΣFe ratios at the scale of sampling volume and level of the analytical precision of each technique. The homogeneity of Li-B-O-Nd-Pb isotope ratios at the microscale (30–120 μm) was estimated using LA-MC-ICP-MS and SIMS techniques. We also present new EPMA major element data obtained using three different instruments for the glasses. The determination of reference values for the major elements and their uncertainties at the 95% confidence level closely followed ISO guidelines and the Certification Protocol of the International Association of Geoanalysts. The ARM glasses may be particularly useful as reference materials for in situ isotope ratio analysis.
Original languageEnglish
JournalGeostandards and Geoanalytical Research
Publication statusE-pub ahead of print - 11 Jun 2021


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