FLOW-INJECTION EXTRACTION SPECTROPHOTOMETRIC DETERMINATION OF SALBUTAMOL BY OXIDATIVE COUPLING WITH 4-AMINO-N,N-DIMETHYLANILINE

被引：0

作者：

BURNS, DT ^{[1
]}

CHIMPALEE, N ^{[1
]}

CHIMPALEE, D ^{[1
]}

LEIWONGCHAROEN, K ^{[1
]}

机构：

[1] SILPAKORN UNIV,FAC SCI,DEPT CHEM,NAKOM PATHOM 73000,THAILAND

来源：

ANALYTICA CHIMICA ACTA | 1992年 / 260卷 / 01期

关键词：

FLOW SYSTEM; SPECTROPHOTOMETRY; EXTRACTION; SALBUTAMOL;

D O I：

暂无

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Salbutamol can be determined spectrophotometrically at 605 nm after flow-injection extraction into chloroform after oxidative coupling with 4-amino-N,N-dimethylaniline. The carrier stream is distilled water and the reagents streams contain 5% (w/v) sodium hydrogencarbonate, 0.5% (w/v) potassium hexacyanoferrate(III) and 0.1% (w/v) 4-amino-N,N-dimethylanilinium sulphate. The sampling rate is 20 h-1. The calibration graph is linear up to 20.0-mu-g ml-1 salbutamol, based on injection volume 100-mu-l. The relative standard deviation (n = 10) was 1.9% for 10-mu-g ml-1 salbutamol. The system has been applied to the determination of salbutamol in pharmaceutical formulations.

引用

页码：65 / 68

页数：4

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