共 17 条
- [1] AUBOUIN G, 1965, B SOC CHIM FR, P547
- [2] SEPARATIONS WITH TBP FROM ACID-SOLUTIONS WITH SPECIAL REGARD TO NIOBIUM AS MATRIX [J]. FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1982, 310 (1-2): : 39 - 44
- [3] CALETKA R, FRESENIUS Z ANAL CHE
- [4] CALETKA R, ANAL CHEM
- [5] CHERNIKHOV YA, 1961, COLLECTED PAPERS GIR, P79
- [6] DETERMINATION OF CHROMIUM, IRON AND COBALT IN HIGH-PURITY NIOBIUM BY RADIOCHEMICAL NEUTRON-ACTIVATION ANALYSIS [J]. FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1980, 302 (04): : 269 - 274
- [8] FEDOROV AA, 1965, NEW METHODS DETERMIN, P128
- [9] GIBALO IM, 1966, ZH ANAL KHIM, V21, P718
- [10] ION EXCHANGE PROCEDURES .1. CATION EXCHANGE IN CONCENTRATED HCL + HCLO4 SOLUTIONS [J]. JOURNAL OF CHROMATOGRAPHY, 1964, 13 (02): : 503 - &