知识贝壳
知识贝壳
所属栏目：英汉双解化学
An indicator used for titrations that in-volve a precipitation reaction. The methoddepends upon the fact that at the equiva-lence point there is a change in the natureof the ions absorbed by the precipitate par-ticles. Fluoresein—a fluorescent com-pound-i ......（本文共 751 字 ） [阅读本文] >>