共 8 条
[1]
SEPARATION OF TITANIUM, TUNGSTEN, MOLYBDENUM, AND NIOBIUM BY ANION EXCHANGE
[J].
JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS,
1954, 53 (04)
:261-262
[2]
DETERMINATION OF NIOBIUM AND TANTALUM IN TITANIUM-BASE ALLOYS
[J].
JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS,
1959, 62 (02)
:53-57
[3]
HIBBITS JO, 1961, ANAL CHIM ACTA, V24, P113
[4]
HIBBITS JO, PRIVATE COMMUNICATIO
[5]
HILLEBRAND GEF, APPLIED INORGANIC AN, P686
[8]
1965, CHEMICAL ANALYSIS 32, P741