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Spectrophotometric determination of zinc with 1-(2-pyridylmethylidene)-5-(salicylidene)thiocarbohydrazone

✍ Scribed by Daniel Rosales; José L. Gómez-Ariza


Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
377 KB
Volume
169
Category
Article
ISSN
0003-2670

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Spectrofluorometric determination of zin
✍ A.M. Afonso; M. González-Dávila; J.J. Santana; F. García-Montelongo 📂 Article 📅 1987 🏛 Elsevier Science 🌐 English ⚖ 434 KB

1,5-Bis( 2,3\_dihydroxyphenylmethylene) thiocarbohydrazone was synthesized; its ionization constanta are reported. A procedure ia described for the spectrofluorimetric determination of 5-546 ng ml-' zinc in 60/40 (v/v) ethanol/water medium, acetate-buffered to apparent pH 6.5 (LX= 409 nm, & ,,, = 50