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Modified spectrophotometric method for the determination of selenium in environmental and mineral mixtures using 2,3-diaminonaphthalene

✍ Scribed by K.N. Ramachandran; G.S. Kumar


Book ID
116070015
Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
304 KB
Volume
43
Category
Article
ISSN
0039-9140

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Two rapid, highly sensitive, and selective spectrophotometric methods for the determination of traces of selenium(IV) were studied. The methods are based on either the oxidation of 4-aminoantipyrine ( 4-amino-1,2-dihydro-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one; 4-AAP; 1) by selenium in basic medium a