FAN Li-xin, LI Jian-qiang, FAN Hui-li, SUN Jian-ling, ZHANG Xia, BAO Rui, LU Qing, WANG Jie. Determination of Trace Nickel in Bi-Based Superconductor Powder by Inductively Coupled Plasma Atomic Emission Spectroscopy after Separation with Anion Exchange Resin and Extraction with Methylbenzene[J]. Spectroscopy and Spectral Analysis, 2011, 31(12): 3375