人工颅骨用复合材料中微量甲基丙烯酸甲酯的气相色谱法测定

Detecting content of trace MMA from composite materials of artificial skull with gas phase chromatography method

采用氢气焰离子化检测器(FID),以正丁醇为外标物,PEG-20M为固定相,甲醇作为溶剂,气相色谱法测定复合材料人工颅骨中微量MMA的含量。其相对标准偏差<0.022,平均回收率(n=4)为98.0％～99.1％。此方法操作简便,用于实际样品分析可得到满意的结果。

The article puts forward the detecting method of using normal butyl alcohol as outer standard substance, using PEG- 20M as fixation phaseand and hydrogen flame detecter (FID), using methanol as solvent, detecting the content of trace MMA from composite material of artificial skull with gas phase chromatography method. The result shows that its relative criteria deviation is less than 0.022, average coefficient of recovery (n = 4) is from 98.0 percent to 99. 1 percent. This method is simple and accurate, and it can gain satisfation result of sample analyse.