| Citation: | Jinting Kang, Xuqi Chen, Xi Deng, Yuan Fang, Haichuan Jiang, Chengyihong Liu, Cuihua Luo, Xing Li, Yuchao Lin, Zhaoqi Ren, Jiaru Sheng, Xue Tang, Liyi Xu, Jinyi Yan, Yaqi Zhang, Zhengyu Hou, Fei Wu, Huimin Yu, Fang Huang. Recommendations of Stable Mg, Si, V, Fe, Cu, Zn, Rb, Sr, Ag, Cd, Ba, and U Isotope Compositions for Multiple Geological References. Journal of Earth Science, 2025, 36(4): 1408-1424. doi: 10.1007/s12583-024-0145-6
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The Metal Stable Isotope Geochemistry Laboratory (MSIGL) at the University of Science and Technology of China has developed state-of-the-art analytical methods for twelve stable isotope systems, including Mg, Si, V, Fe, Cu, Zn, Rb, Sr, Ag, Cd, Ba, and U. Geological and biological samples were first digested by acid dissolution or alkali dissolution. The target element was subsequently purified by the column chromatography method. A Neptune Plus MC-ICP-MS was used to measure isotope compositions and the isotope bias caused during measurements was calibrated by standard bracketing and/or the double spike method. The analytical procedure was carefully checked to ensure the high precision and accuracy of the data. Here, we summarized the protocol of these established methods and compiled the standard data measured at our lab as well as those reported in literature. This comprehensive dataset can serve as a reliable benchmark for calibration, method validation, and quality assurance in metal stable isotope analyses.
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