IS 10169 : 1982 Methods for determination of carbaryl residues in fruits and vegetables

1 Scope

1.1 This standard prescribes spectrophotometric and gaschromatographic methods for the determination of carbaryl(1-naphthyl-N methyl carbamate) residues in fruits and vegetables.

1.1.1 Spectrophotometric method may be adopted as a limit testfor routine purposes and is generally applicable at the 0.1 ppmlevel, whereas Gas Chromatography shall be the reference methodwith the limit of detection at 0.02 ppm.

1.1.2 Though no set procedure for Thin Layer Chromatography(TLC) is being prescribed, Standardized TLC procedures may befollowed, if necessary for the purpose of clean up, identificationand confirmation of carbaryl residues.

2 Reference

IS 2 : 1960   Rules forrounding off numerical values