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Spectrophotometric determination of cobalt in pepperbush leaves and coal fly ashes using 2-(2-benzothiazolylazo)-5-dimethylaminobenzoic acid

✍ Scribed by Katami, Takeo; Hayakawa, Tomokuni; Furukawa, Masamichi; Shibata, Shozo


Book ID
121828377
Publisher
Royal Society of Chemistry
Year
1985
Tongue
English
Weight
265 KB
Volume
110
Category
Article
ISSN
0003-2654

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Extraction and spectrophotometric determ
✍ Takeo Katami; Tomokuni Hayakawa; Masamichi Furukawa; Shozo Shibata; Tadashi Hara πŸ“‚ Article πŸ“… 1986 πŸ› Elsevier Science 🌐 English βš– 357 KB

## An extraction-spectrophotometric method is described for the determination of traces of zinc with 2-t 2-( 3,5-dibromopyridyl)azo] -5-dimethylaminobenzoic acid. The reagent forms a stable, blue 1:2 zinc/reagent complex that can be extracted into chloroform. The apparent molar absorptivity of the