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An oxidimetric method for the determination of thiophanatemethyl in commercial formulations
B C Verma1, D K Sharma, H K Thakur
1Chemistry Department, Himachal Pradesh University, Shimla-5, India.
Abstract:
A simple, accurate and reliable titrimetric method is described for the determination of thiophanate-methyl, an important commercial fungicide. The method is based on its direct titration at room temperature with ammonium hexanitratocerate(IV) in sulphuric acid medium in the presence of potassium iodate as catalyst. The method permits detection of the end-point visually, potentiometrically or spectrophotometrically. The proposed method is recommended for routine determination of the fungicide in its commercial formulations.
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