COUPLING OF A CONTINUOUS LIQUID LIQUID EXTRACTOR TO A FLAME ATOMIC-ABSORPTION SPECTROMETER FOR THE DETERMINATION OF ALKALOIDS

被引：13

作者：

EISMAN, M ^{[1
]}

GALLEGO, M ^{[1
]}

VALCARCEL, M ^{[1
]}

机构：

[1] UNIV CORDOBA,FAC SCI,DEPT ANALYT CHEM,E-14004 CORDOBA,SPAIN

来源：

JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY | 1992年 / 7卷 / 08期

关键词：

ATOMIC ABSORPTION SPECTROMETRY; ALKALOID; INDIRECT DETERMINATION; CONTINUOUS ION-PAIR EXTRACTION;

D O I：

10.1039/ja9920701295

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A continuous extraction system for the determination of various alkaloids based on the formation of ion pairs between the alkaloids and inorganic complexes, Bil4- and Co(SCN)42- followed by extraction and measurement of bismuth and cobalt in the organic phase (1,2-dichloroethane) by flame atomic absorption spectrometry was developed. The system was applied to amylocaine, papaverine and bromhexine hydrochloride. The method thus developed permits the determination of the three alkaloids over a wide concentration range (0.5-175 mug ml-1), with a relative standard deviation of approximately 3%.

引用

页码：1295 / 1298

页数：4

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