Liquid chromatographic analysis of pharmaceutical syrups using pre-columns and salt-adsorption on amberlite XAD-2.
D000082:Acetaminophen / Q000032:analysis; D002853:Chromatography, Liquid / Q000379:methods*; D003915:Dextromethorphan / Q000032:analysis; D005100:Expectorants / Q000032:analysis*; D006140:Guaifenesin / Q000032:analysis; D010656:Phenylephrine / Q000032:analysis; D011137:Polystyrenes; D012117:Resins, Synthetic
D005100:Expectorants; D011137:Polystyrenes; D012117:Resins, Synthetic; D010656:Phenylephrine; D000082:Acetaminophen; D006140:Guaifenesin; D003915:Dextromethorphan