共 8 条
[1]
[Anonymous], 1971, EXTRACTIVE METALLURG
[2]
Helfferich F., 1962, ION EXCHANGE
[3]
Kunin R., 1972, ION EXCHANGE RESINS
[4]
KUNIN R, 1894, Patent No. 524223
[5]
SANDELL EB, 1950, CHEM ANAL, V3
[6]
Thompson W. E., 1978, GROUND WATER ELEMENT
[7]
1978, ANAL METHODS FLAME S
[8]
1978, 1978 ANN BOOK AST 31