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Ultraviolet spectrophotometric determination of tungsten(VI) with ammonium 1-pyrrolidinecarbodithioate

โœ Scribed by Yoshikazu Yamamoto; Hideki Murata; Shunzo Ueda

Book ID
118992806
Publisher
Elsevier Science
Year
1978
Tongue
English
Weight
323 KB
Volume
25
Category
Article
ISSN
0039-9140

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โœ V. D. Lekova; K. B. Gavazov; A. N. Dimitrov ๐Ÿ“‚ Article ๐Ÿ“… 2006 ๐Ÿ› Versita ๐ŸŒ English โš– 187 KB

## Abstract A new ternary ion-association complex of tungsten(VI), 4-nitrocatechol (NC), and 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (Thiazolyl Blue, MTT) was obtained and studied using an extraction-spectrophotometric method. The optimum pH, reagent concentrations, and extract