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Malachite green as a reagent for detection and spectrophotometric determination of chromium(VI)

โœ Scribed by Ram Parkash; Reeta Bansal; Ajit Kaur; S.K. Rehani


Book ID
118050817
Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
256 KB
Volume
38
Category
Article
ISSN
0039-9140

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Chromotropic Acid as a Reagent for Ultra
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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