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A Simplified Method of Determining Free Methyldopa in Urine

 

作者: GregoryM. Kochak,   WilliamD. Mason,  

 

期刊: Analytical Letters  （Taylor Available online 1981）
卷期: Volume 14, issue 6  

页码: 439-449

 

ISSN:0003-2719

 

年代: 1981

 

DOI:10.1080/00032718108081418

 

出版商: Taylor & Francis Group

 

关键词: high performance liquid chromatography;electrochemical detection;methyldona;L-dopa;3,4-dihydroxybenzylamine;ion pair

 

数据来源: Taylor

 

摘要:

A specific and relatively sensitive method for the determination of human urinary free methyldona has been developed. The recovery of methyldopa is fast and simple employing urine acidification, organic extraction of unwanted acids, and dilution. The chromatography is reverse-phase high performance liquid chromatography with an ion-pairing agent utilizing electrochemical detection. The range of precision and linearity is approximately 2–500 μg/ml methyldopa under the conditions set forth in this paper.

 

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