共 50 条
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- [25] SEPARATION OF ZIRCONIUM AND HAFNIUM BY SOLVENT-EXTRACTION ANAIS DA ACADEMIA BRASILEIRA DE CIENCIAS, 1971, 43 (3-4): : 599 - &
- [27] EXTRACTION OF POLYNUCLEAR HAFNIUM COMPOUNDS BY TRIBUTYL PHOSPHATE ZHURNAL NEORGANICHESKOI KHIMII, 1972, 17 (09): : 2511 - &
- [28] EXTRACTION AND SEPARATION OF ZIRCONIUM AND HAFNIUM BY ORGANIC SOLVENTS JOURNAL OF SCIENTIFIC & INDUSTRIAL RESEARCH, 1962, D 21 (06): : 196 - +