Fig. 7From: A novel method of reversed migration capillary electrophoresis for determination of linear alkylbenzene sulfonatesThe electropherograms of LAS mixtures in BGE containing different ACN contents a 30%, b 50%, c 70%, and d 100%. LAS (1ppm) in 50% methanol aqueous solution; BGE: 20mM phosphate (pH 2.4); for other conditions, see Fig. 4Back to article page