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Validation of a European standard for the determination of hexavalent chromium in solid material

✍ Scribed by Tirez, Kristof; Scharf, Holger; Calzolari, Domenico; Cleven, Rob; Kisser, Monika; L?ck, Detlef

Book ID
121493017
Publisher
Royal Society of Chemistry
Year
2007
Tongue
English
Weight
647 KB
Volume
9
Category
Article
ISSN
1464-0325

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Chromotropic Acid as a Reagent for Ultra
Chromotropic Acid as a Reagent for Ultraviolet Spectrophotometric Determination of Hexavalent Chromium in Water
✍ Zhiqiang Zhao; Ruomei Gao; Jingtian Li; Suran Liu; Hui Liu πŸ“‚ Article πŸ“… 1998 πŸ› Elsevier Science 🌐 English βš– 68 KB

A new ultraviolet spectrophotometric method for hexavalent chromium in water based on the oxidation of chromotropic acid by Cr(VI) in 0.12 mol/liter HCl medium is described. The molar absorptivity is 1.76 1 10 4 litersrmol 01 cm 01 . The detection limit is 0.024 mg ml 01 Cr. This sensitive and very