Rapid quantification of iron, copper and zinc in food premixes using energy dispersive X-ray fluorescence

被引：36

作者：

Perring, L ^{[1
]}

Andrey, D ^{[1
]}

Basic-Dvorzak, M ^{[1
]}

Hammer, D ^{[1
]}

机构：

[1] Nestec Ltd, Nestle Res Ctr, Dept Qual & Safety Assurance, CH-1000 Lausanne, Switzerland

来源：

JOURNAL OF FOOD COMPOSITION AND ANALYSIS | 2005年 / 18卷 / 07期

关键词：

EDXRF; ICP-AES; iron; copper; zinc; premixes; alternative; reference; quantitative analysis; rapids; minerals;

D O I：

10.1016/j.jfca.2004.06.011

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A simple and rapid method for the determination of iron, copper and zinc in food premixes (used during human food processing) by energy dispersive X-ray fluorescence (XRF) has been established and validated using 25 samples. Reference values were obtained by inductively coupled plasma-optical emission spectroscopy after microwave acidic digestions. Studied samples presenting wide ranges of concentrations: Fe = 500-35000 mg/kg, Cu = 50-4000 mg/kg and Zn = 700-32000 mg/kg were quantified in 200 s by XRF measurements using a rhodium tube. (c) 2004 Elsevier Inc. All rights reserved.

引用

页码：655 / 663

页数：9

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