WU Ying-juan, CHEN Yong-heng, YANG Chun-xia, CHANG Xiang-yang, WANG Chun-lin, LIANG Chun-ying. Study of Symbolic Element in Roasting Slag of Pyrite by Inductively Coupled Plasma Mass Spectrometry[J]. Spectroscopy and Spectral Analysis, 2011, 31(9): 2561