Diquat and Paraquat, free 2,2’-bipyridyl
Content Handbook H
Outline of method
The dimethoate is separated from other components by gas chromatography on a non-polar column and determined by flame ionisation detection using dibutyl phthalate as internal standard.
For method see Handbook G, method extension SL and SG formulation.
Free 2,2’-bipyridyl: The method is usable for SL and SG-formulations.