中国药典第四部分:含乙醇制剂中甲醇量的测定

　　色谱条件与系统适用性试验 用直径为0.18～0.25mm的二乙烯苯-乙基乙烯苯型高分子多孔小球作为载体；柱温125℃。理论板数按甲醇峰计算应不低于1500；甲醇峰、乙醇峰与内标物质各相邻色谱峰之间的分离度应符合规定。

　　编号:20231007007

　　型号:HQ填充柱

　　规格:2m*1/8，60-80目

　　*高使用温度:200°C

　　Chinese Pharmacopoeia Part 4: Determination of methanol content in ethanol containing preparations

　　Chromatographic conditions and system suitability tests were carried out using porous microspheres of divinylbenzene ethylenebenzene type polymers with a diameter of 0.18-0.25mm as carriers; The column temperature is 125 ℃. The number of theoretical plates calculated based on methanol peak should not be less than 1500; The resolution between the methanol peak, ethanol peak, and adjacent chromatographic peaks of the internal standard substance should comply with regulations.

　　No.: 20231007007

　　Model: HQ filled column

　　Specification: 2m * 1/8, 60-80 mesh

　　*High operating temperature: 200 ° C