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Chromotropic acid as fluorogenic reagent. I. Fluorimetric determination of beryllium

✍ Scribed by Pal, Bijoli Kanti ;Baksi, Kalyan


Book ID
105131602
Publisher
Springer-Verlag
Year
1992
Weight
439 KB
Volume
108
Category
Article
ISSN
0344-838X

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Chromotropic Acid as a Reagent for Ultra
✍ 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