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Isotopic Compositions (Li-B-Si-O-Mg-Sr-Nd-Hf-Pb) and Fe2+/ΣFe Ratios of Three Synthetic Andesite Glass Reference Materials (ARM-1, ARM-2, ARM-3)
Geostandards and Geoanalytical Research ( IF 2.7 ) Pub Date : 2021-06-11 , DOI: 10.1111/ggr.12399
Shitou Wu 1, 2 , Yueheng Yang 1, 2 , Klaus Peter Jochum 3 , Rolf L. Romer 4 , Johannes Glodny 4 , Ivan P. Savov 5 , Samuele Agostini 6 , Jan C.M. De Hoog 7 , Stefan T.M. Peters 8 , Andreas Kronz 8 , Chao Zhang 9, 10 , Zhian Bao 9 , Xiaojun Wang 9 , Youlian Li 1, 2 , Guoqiang Tang 1, 2 , Lianjun Feng 1, 2 , Humin Yu 11 , Zhenxin Li 11 , Zhang Le 12 , Jie Lin 13 , Yuan Zeng 14 , Chunxue Xu 15 , Yaping Wang 15 , Zhu Cui 16 , Li Deng 17 , Jun Xiao 17 , Yanhong Liu 1, 2 , Dingshuai Xue 1, 2 , Zhang Di 1, 2 , Lihui Jia 1, 2 , Hao Wang 1, 2 , Lei Xu 1, 2 , Chao Huang 1, 2 , Liewen Xie 1, 2 , Andreas Pack 8 , Gerhard Wörner 8 , Maoyong He 17 , Chaofeng Li 1, 2 , Honglin Yuan 9 , Fang Huang 11 , Qiuli Li 1, 2 , Jinhui Yang 1, 2 , Xianhua Li 1, 2 , Fuyuan Wu 1, 2
Affiliation  

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.

中文翻译:

三种合成安山岩玻璃参考材料(ARM-1、ARM-2、ARM-3)的同位素组成(Li-B-Si-O-Mg-Sr-Nd-Hf-Pb)和 Fe2+/ΣFe 比率

为了扩展新开发的 ARM 玻璃作为参考材料,通过 SIMS、LA-MC-ICP-MS 和 EPMA 等多种技术进行同位素比和铁氧化态的原位微量分析,我们报告了 Li-B-Si-O-这些玻璃的 Mg-Sr-Nd-Hf-Pb 同位素数据和 Fe 2+ /ΣFe 比率。数据主要通过TIMS、MC-ICP-MS、IR-MS和湿化学比色技术获得。这些数据的质量通过比较不同的技术或通过比较使用相同技术的不同实验室的结果进行交叉检查。就所研究的同位素比(ARM-3 中的 B 除外)和 Fe 2+而言,所有三种玻璃似乎都是均匀的/ΣFe 比率在取样量的尺度和每种技术的分析精度水平。使用 LA-MC-ICP-MS 和 SIMS 技术估计了微尺度(30-120 μm)的 Li-BO-Nd-Pb 同位素比的均匀性。我们还展示了使用三种不同的眼镜仪器获得的新 EPMA 主要元素数据。主要元素参考值的确定及其在 95% 置信水平的不确定性严格遵循 ISO 指南和国际地球分析学家协会的认证协议。ARM 玻璃可特别用作原位同位素比分析的参考材料。
更新日期:2021-06-11
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