Application of 1-phenyl-4-phenylamino-1,2,4-triazolium chloride to the determination of cobalt(II)
- 1 January 1968
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in The Analyst
- Vol. 93 (1109) , 494-497
- https://doi.org/10.1039/an9689300494
Abstract
A new reagent, 1-phenyl-4-phenylamino-1,2,4-triazolium chloride, is proposed for the determination of cobalt(II) by extraction into 1,2-dichloro-ethane and spectrophotometric determination at 626 nm of the ion-association compound formed in the presence of an excess of ammonium thiocyanate. The composition of the species extracted has been determined by applying the continuous variation method to the aqueous-organic phase system, and by determining the chemical composition and molecular weight of the compound precipitated from the aqueous phase.Keywords
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