DETERMINATION OF CATECHOLAMINES IN URINE BY LIQUID-CHROMATOGRAPHY AND ELECTROCHEMICAL DETECTION AFTER ONLINE SAMPLE PURIFICATION ON IMMOBILIZED BORONIC ACID

被引：21

作者：

ERIKSSON, BM

WIKSTROM, M

机构：

来源：

JOURNAL OF CHROMATOGRAPHY | 1992年 / 593卷 / 1-2期

关键词：

D O I：

10.1016/0021-9673(92)80285-3

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Norepinephrine, epinephrine and dopamine in urine were measured by an automated liquid chromatographic method. After sample purification on a column containing silica-immobilized boronic acid, which showed great affinity for catecholamines at neutral pH, the catecholamines were eluted by backflushing with an acidic mobile phase and transferred to a cation exchanger for separation. Detection was performed electrochemically and the relative standard deviation was 2% for the analysis of endogenous concentrations in human urine.

引用

页码：185 / 190

页数：6

共 21 条

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