络合剂高效液相色谱法测定施尔康片中铜、铁、锌、镁的含量

Quantitative Determination of Ephedrine Hydrochloride in Xiaoqinglong Capsule Preparation by the Colorimetric Method

络合剂高效液相色谱法测定施尔康片中铜、铁、锌、镁的含量赵春杰田立军张仲元佟志清曹炳星首次报告了高效液相色谱法同时测定高效施尔康中微量元素铜、铁、锌和镁的含量．研究了四苯基卟啉和金属离子的络合反应条件和络合物的稳定性，考察了这些络合物的吸收光谱和测定的...

A simple and rapid procedure for the determination of ephedrine hydrochloride in a capsule preparation is described.Other elements in it do not interfere with the determination.The average recovery of ephedrine hydrochloride is (99 8±1 86)%.The coefficient of variation is 1 86%.The result of the experiment is satisfactory.