6Huang Hsi-Ya, Chuang Chia-Ling, Chiu Chen-Wen and Yeh Jui- Ming. Application of microemulsion electrokinetic chromatography for the detection of preservatives in foods. Food Chemistry, 2005, 89 (2): 315-322.
7P.-E. Mahuzier, K.D.Ahria and B.J.Clark Selective and quantitative analysis of 4 -hydroxybenzoate preservatives by microemulsion electro-kinetic chromatography. Journal of Chromatography A, 2001, 924 (1-2): 465-470.