A simple method for laboratory purification of fenitrothion technical concentrates for analytical purposes is described. The method is based on the differential rate of alkaline hydrolysis of fenitrothion, its S-methyl isomer and corresponding oxygen analogue. The volatile impurities are removed by counter-current steam distillation.
        
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Kovaiova J, Masud Z, Btora V, Kovaa J, Truchlik (1971) Laboratory purification of fenitrothion Pest Sci2: 101-102
Kovaiova J, Masud Z, Btora V, Kovaa J, Truchlik (1971) Pest Sci2: 101-102