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Gravimetric determination of zirconium with a new azopyrazolone derivative

Authors
Journal
Analytica Chimica Acta
0003-2670
Publisher
Elsevier
Publication Date
Volume
34
Identifiers
DOI: 10.1016/s0003-2670(00)89007-8
Disciplines
  • Earth Science

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.

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