摘要
发现了高锰酸钾—左旋多巴化学发光体系，建立了利用此体系测定左旋多巴的流动注射化学发光分析新方法．方法的检出限为６．２×１０－５ｇ／Ｌ左旋多巴．左旋多巴浓度在４×１０－４～８×１０－２ｇ／Ｌ范围内与化学发光强度呈良好的线性关系．对４×１０－３ｇ／Ｌ左旋多巴进行１１次测定，ＲＳＤ为１．６％．此方法已用于片剂中左旋多巴的测定，结果与标准方法一致．
In this paper,a new chemiluminescence system of potassium permanganate-levodopa was investigated and a new chemiluminescence method for the determination of levodopa with flow injection technique was established.The concentration range of linear response is 4×10-4～8×10-2g/L.The detection limit is 62×10-5g/L with a relative standard deviation of 16% for the determination of 4×10-3g/L of levodopa(n=11).The method has been used to determine the content of levodopa in tablets with satisfactory results.
出处
《药物分析杂志》
CAS
CSCD
北大核心
1998年第1期41-44,共4页
Chinese Journal of Pharmaceutical Analysis
基金
国家自然科学基金
关键词
左旋多巴
高锰酸钾
化学发光
levodopa,potassium permanganate,chemiluminescence,flow injection technique
