Content Handbook H

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Diquat and Paraquat, free 2,2’-bipyridyl

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.

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SCOPE:

For method see Handbook G, method extension SL and SG formulation.

Free 2,2’-bipyridyl: The method is usable for SL and SG-formulations.

last update 29.09.2009