The content of free acetic acid in cigarette smoke condensates was determined by GC-MS with isopropyl alcohol as the solvent and nonanol as the internal standard.

以为溶剂,壬为内标,采用气相色谱-质谱法分析了卷烟烟气总粒相物中的游乙,乙测定结果的相对标准偏差小于1%,平均回收率为99。

Isopropyl cinnamylate was synthesized by the esterifiestion of isopropyl alcohol with cinnamic acid in the presence of potassium bisulfate monohydrate.

用硫氢钾催化肉的酯化反应,合成了肉酯。

The isopropyl chloracetate was synthesized by esterification of chloracetic acid with isopropyl alcohol using aluminium phosphotungstate as catalyst.

以氯乙和为原料,磷钨铝作催化剂进行酯化反应,合成氯乙酯。