The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent.

通过对其理分析,选用乙氯作剂、二氯甲烷作溶剂,测定含环氧基聚酯的值。

Methyl thioacetate was prepared by using acetyl chloride and methyl mercaptan as starting raw material in this paper.The yield of product is 69.3%.Itcan be used in seasoning flavor.

对可用于各种调味香精的食用香料硫代乙酸甲酯的合成进行了初步，率达到693％，对所合成的品做了红外光谱分析和质子核磁共振分析，确定了其学结构。