1.1 This standard prescribes the method of test for estimating parathion [O O-diethyl O-( 4-nitrophenyl) phosphorothioate] foods and their milled products.
1.1.1 The method will be applicable to a minimum limit of 25 υg of parathion residues.
IS 5952-1970 history
1971IS 5952-1970 Method for determination of parathion residues