A table of colours and Rf-values obtained for a number of preservatives using this TLC procedure may be found in: N. de Kruijf, M. A. H. Rijk, L. A. Pranato-Soetardhi and A. Schouten (1987): Determination of preservatives in cosmetic products I: Thin-layer chromatographic procedure for the identification of preservatives in cosmetic products (J. Chomatography 410, 395-411).
On trouvera une table des couleurs et des valeurs de Rf d'un certain nombre de conservateurs dans la publication suivante: N. De Kruijf, M.A.H. Rijk, L.A. Pranato-Soetardhi and A. Schouten (1987) Determination of preservatives in cosmetic products I:Thin-layer chromatographic procedure for the identification of preservatives in cosmetic products (J. Chromatoghraphy 410, 395-411).