共 7 条
[1]
BLASIUS E, 1957, Z ANAL CHEM, V156, P81
[2]
COLORIMETRIC DETERMINATION OF NIOBIUM WITH THIOCYANATE
[J].
ANALYTICAL CHEMISTRY,
1951, 23 (12)
:1813-1816
[3]
HUNT HC, 1954, ANALYST, V79, P351
[7]
TOMICEK O, 1952, CHEM LISTY, V46, P144