Spectrophotometric determination of some insecticides with 3-Methyl-2-benzothiazolinone (cas 18644-20-7) hydrazone hydrochloride

Add time:10/01/2019    Source:sciencedirect.com

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 (cas 18644-20-7) hydrazone hydrochloride in the presence of an oxidant (Ce4+ or Fe3+) to give coloured species.

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