Gas chromatography was applied to the separation and determination of pentaerythritol(MPE) and dipentaerythritol(DPE) in the reaction mixture by a precolumn derivatization process.

• 应用柱前衍生-气相色谱法分离并测定了反应混合物中同存的季戊四醇(MPE)和双季戊四醇(DPE)、衍生化反应系在120℃加热的封闭试管中进行。