Triethyl orthoacetate in reaction mixtures was separated from other components and determined by gas chromatography with external standard method.
应用气相色谱法测定制备原乙酸三乙酯反应产物中产品质量。
A bonded stationary phase for gas chromatography has been prepared by the thermal reaction between 405 white support and PEG 20m.
本文采用热反应键合法，将PEG -20 M与405白色硅藻土载体进行热键合制备气相色谱键合固定相。
The reaction product of diethylene glycol-ammoniation preparing morpholine under low pressure with gas chromatography is completely analyzed;
应用气相色谱法对二甘醇低压氨化法制吗啉的反应产物进行了全分析；
Furthermore, the reaction mixture was analyzed by gas chromatography to determine the amount of the products.
此外，反作用混合物被气相色谱法分析决定产品的总量。
The content change over of the harmful composition in the reaction tail gas before the treatment and after by gas chromatography.
反应尾气中有害物在处理前后的含量变化等进行了测定。
Through the chemical reaction, the BSU is charged into siliester derivative that are vaporized into peak, so we can determine the main content of BSU by gas chromatography.
其中BSU是通过化学反应，将其转化生成可以在色谱中气化出峰的硅脂衍生物，再进行色谱法测定。
Through the chemical reaction, the BSU is charged into siliester derivative that are vaporized into peak, so we can determine the main content of BSU by gas chromatography.
其中BSU是通过化学反应，将其转化生成可以在色谱中气化出峰的硅脂衍生物，再进行色谱法测定。
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