本文用顶空气相色谱法，以GDX－101为固定相，测定了延生护宝液中甲醇残留量，方法的回收率在85.9%－101.6%之间，变异系数0.3%，最小检出量1.0mg／L。
Headspace gas chromatography for determination of residual methanol in YAN SHENG HEALTH LIQUID , A GDX-101 column and FID were used . The recoveries were from 85.9 % to 101.6 % the R. S. D value were 0.39 % .
延生护宝液