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Spectrophotometric determination of some insecticides with 3-methyl-2-benzothiazolinone hydrazone hydrochloride
1Food and Drug Laboratories, School of Chemistry, Andhra University, Waltair 530 003, India.
Talanta
|March 1, 1987
Abstract:
A simple, rapid and sensitive spectrophotometric method is described for determining carbaryl, propoxur, fenitrothion and methyl parathion, based on reaction of their hydrolysis or reduction products (as appropriate) with 3-methyl-2-benzothiazolinone hydrazone hydrochloride in the presence of an oxidant (Ce(4+) or Fe(3+)) to give coloured species.
