共 6 条
[1]
ALIMARIN IP, 1946, ZH ANAL KHIM, V1, P30
[2]
COLORIMETRIC DETERMINATION OF NIOBIUM WITH THIOCYANATE
[J].
ANALYTICAL CHEMISTRY,
1951, 23 (12)
:1813-1816
[4]
Mellon M.G., 1950, ANAL ABSORPTION SPEC
[5]
SANDELL CB, 1944, COLORIMETRIC DETERMI
[6]
Snell FD, 1949, COLORIMETRIC METHODS