
Keywords: ATR; attenuated total reflectance; CoHCF; cobalt hexacyanoferrate; CTAB; cetyltrimethylammonium bromide; CTAC; cetyltrimethylammonium chloride; CTAT; cetyltrimethylammonium p-toluensulfonate; CTAX; cetyltrimethylammonium salt; [Dt]; total concentration of