G. Popa, G. Baiulescu, C. Greff
1966
Citations
0
Influential Citations
5
Citations
Journal
Analytica Chimica Acta
Abstract
Abstract 3-Methyl-5-oxo-1-phenyl-2-pyrazolin-4-ylazo-2'-(6',8'-naphthalenedisulfonic acid) (disodium salt) is proposed as a new reagent for the gravimetric determination of zirconium. The precipitate formed at pH 1–1.5 can be weighed directly and there are few interferences.