Analysis of MCPA/TBA herbicide formulations - Gardner, K.; Overton, K.C. (Elsevier)
A liquid-liquid partition chromatographic method has been developed for the determination of 2,3,6-trichlorobenzoic acid in MCPA/TBA herbicides. The system used is isopropyl ether-phosphate buffer and eluted acid fractions are titrated in non-aqueous solution with sodium methylate solution. The effect of all possible chlorobenzoic acid and methyl chlorophenoxyacetic acid impurities has been investigated. A precision of about +/-2% is applicable to the method.
http://dx.doi.org/10.1016/S0003-2670(60)80065-7
Keywords: V