acetyl

METHOD HPLC method was used to determine the content of 23 acetyl alisol B in different samples.

方法采用高效液相色谱法定各样品中23-乙泽泻醇B含量。

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

通过对其化原理分析,选用乙氯化剂、二氯甲化溶剂,定含环氧基聚酯羟值。

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食用香料硫代乙酸甲酯合成进行了初步研究，产率达到693％，对所合成产品做了红外光谱分析和质子核磁共振分析，确定了其化学结构。