Determination of aspartame by ion chromatography with electrochemical integrated amperometric detection

被引：32

作者：

Qu, F ^{[1
]}

Qi, ZH ^{[1
]}

Liu, KN ^{[1
]}

Mou, SF ^{[1
]}

机构：

[1] Acad Sinica, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China

来源：

JOURNAL OF CHROMATOGRAPHY A | 1999年 / 850卷 / 1-2期

关键词：

electrochemical detection; integrated amperometric detection; detection; LC; food analysis; aspartame; artificial sweeteners;

D O I：

10.1016/S0021-9673(99)00624-X

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

In this paper, the separation and determination of the sweetener aspartame by ion chromatography coupled with electrochemical amperometric detection is reported. Sodium saccharin, acesulfame-K and aspartame were separated using 27.5 mmol/l NaOH isocratic elution on a Dionex IonPac AS4A-SC separation column. Aspartame can be determined by integrated amperometric detection without interference from the other two sweeteners; The method can be applied to the determination of aspartame in powered tabletop, fruit juice and carbonated beverage samples, and the results obtained by integrated amperometry were in agreement with those obtained using a UV detection method. A method for determining analytes with an NH2 group by ion chromatography with integrated amperometry was developed. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：277 / 281

页数：5

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