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Quaternized wood as sorbent for hexavalent chromium

โœ Scribed by Kun-She Low; Chnoong-Kheng Lee; Chun-Yuan Lee


Book ID
111635158
Publisher
Springer-Verlag
Year
2001
Tongue
English
Weight
116 KB
Volume
90
Category
Article
ISSN
0273-2289

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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