Direct chemiluminescence determination of ascorbic acid using flow injection analysis

被引：69

作者：

Agater, IB ^{[1
]}

Jewsbury, RA ^{[1
]}

机构：

[1] Univ Huddersfield, Dept Chem & Biol Sci, Huddersfield HD1 3DH, W Yorkshire, England

来源：

ANALYTICA CHIMICA ACTA | 1997年 / 356卷 / 2-3期

关键词：

ascorbic acid; chemiluminescence; flow injection; permanganate; nutritional supplements;

D O I：

10.1016/S0003-2670(97)00556-4

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A flow injection method is described for the determination of (5 x 10(-7) to 1 x 10(-3) M) ascorbic acid by measurement of the chemiluminescence from direct oxidation with permanganate in an acidic medium. The method is applied to fruit drinks and nutritional supplements and compared satisfactorily with titrimetric and spectrofluorimetric methods. (C) 1997 Elsevier Science B.V.

引用

页码：289 / 294

页数：6

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