Figure 3From: Ionic liquid as separation enhancer in thin-layer chromatography of biosurfactants: mutual separation of sodium cholate, sodium deoxycholate and sodium taurocholateEnergy-dispersive X-ray spectrophotometer (EDX) of (A) silica gel G and (B) silica gel G impregnated with 5% 1-methylimidazolium chloride.Back to article page