Affiliation: | CHEN Peirong~1, WANG Yinxi~2, NI Qisheng~1, KONG Xinggong~2 and ZHANG Bangtong~2 1. State Key Laboratory of Mineral Deposits, Department of Earth Sciences, Nanjing University, Nanjing 210093, China 2. Center of Modern Analysis, Nanjing University, Nanjing 210093, China |