Using n - propanol as internal standard, the impurities in isopropyl acetate such as aldehyde, ace-tone,methyl acetate,isopropyl alcohol and vinyl acetate ect are determinated by chromatpgraphy.

• 在一定的色谱操作条件下，以正丙醇为内标物，可对醋酸异丙酯中乙醛、丙酮、醋酸甲酯、异丙醇、醋酸乙烯等杂质组份进行准确定量。