ethyl parahydroxybenzoate
英
美
网络 对羟基苯甲酸乙酯
双语例句
- Method The column was packed with ODS, using ethyl parahydroxybenzoate as internal standard. The mobile phase was a mixture of 0.2% ammonium carbonate-acetonitrile-tetrahydrofuran ( 42 ∶ 39 ∶ 19). Chromatography was performed with ultraviolet detector at 238 nm.
方法以ODS为固定相，羟苯甲酸乙酯为内标物，以0.2%碳酸铵溶液-乙腈-四氢呋喃（42∶39∶19）为流动相，检测波长为238nm，流速1.0mL·min-1。