摘要
本文介绍了羟丙基淀粉醚样品与氢碘酸反应,生成丙烯和碘丙烷气体,在加热和载气的作用下,分别送入盛有定量的溴冰醋酸溶液和硝酸银醇溶液内。吸收后,用硫代硫酸钠和硫氰酸铵标准溶液滴定,测定出羟丙基淀粉的取代度。
Abstract: In order to control the substitution degree in production of hydroxypropyl starch ether, the instrument used in Morgan method were improved, and thus higher repeatability was acheived by the method.
出处
《日用化学工业》
CAS
CSCD
北大核心
1990年第1期31-33,23,共4页
China Surfactant Detergent & Cosmetics