title: Determination of pesticides by derivative formation. Part IV A Sensitive gas-chromatographic method for the determination of MCPA and MCPB herbicides after esterification with 1-bromomethyl-2,3,4,5,6-pentafluorobenzene.
mesh_terms: D008456:2-Methyl-4-chlorophenoxyacetic Acid / Q000032:analysis / Q000031:analogs & derivatives; D002087:Butyrates; D002849:Chromatography, Gas / Q000379:methods; D005464:Fluorobenzenes; D006540:Herbicides / Q000032:analysis*; D014873:Water Pollutants / Q000032:analysis*; D014874:Water Pollutants, Chemical / Q000032:analysis*
chemical_list: D002087:Butyrates; D005464:Fluorobenzenes; D006540:Herbicides; D014873:Water Pollutants; D014874:Water Pollutants, Chemical; D008456:2-Methyl-4-chlorophenoxyacetic Acid; C008418:2-methyl-4-chlorophenoxy gamma-butyric acid