Highly sensitive chemiluminescence flow sensor for ascorbic acid

被引：16

作者：

Qin, W ^{[1
]}

Zhang, ZJ ^{[1
]}

Chen, HH ^{[1
]}

机构：

[1] SHAANXI NORMAL UNIV,DEPT CHEM,XIAN 710062,PEOPLES R CHINA

来源：

FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 1997年 / 358卷 / 7-8期

关键词：

D O I：

10.1007/s002160050525

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A highly sensitive chemiluminescence(CL) flow sensor is proposed for the determination of ascorbic acid. The analytical reagents luminol and iron(II) are immobilized on anion-exchange and cation-exchange resins, respectively, and can be eluted by sodium sulphate. The calibration graphs are linear in the range 1 x 10(-9) to 1 x 10(-6) g mL(-1) and the detection limit is 4.0 x 10(-10) g mL(-1). The sensor has been applied successfully to the determination of ascorbic acid in vegetables.

引用

页码：861 / 863

页数：3

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