Fig. 4From: A novel method of reversed migration capillary electrophoresis for determination of linear alkylbenzene sulfonatesThe electropherograms of LAS in 20 mM phosphate BGE with different pH a 2.4, b 2.8, c 3.2, and d 3.6. LAS (1ppm) in 50% methanol aqueous solution; BGE: 20mM phosphate-30% acetonitrile; voltage: 20kV; temperature: 25°C; detection wavelength: 200nmBack to article page