SEARCH Articles Figures Tables Coating materials impregnated layers Enantiomer separations with impregnated layers Impregnate Impregnated layers enantiomeric separation with Impregnating Impregnation Impregnation layer Impregnator Layer void impregnation Paraffin-impregnated Silica Gel Layers Silver Nitrate-impregnated Silica Gel Layers