CJCU
Studies on Preconcentration and Separation of Trace Elements with Silica Gel Bonded by Acid Chrome Blue K
ZHANG Yu-Guo, LIU Feng, LI Ke-An, LI Dong-Mei, WU Yan-Sheng, TONG Shen-Yang
Chem. J. Chinese Universities . 1995, (11): 1703 -1705 .