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
收藏
页码：655 / 663
页数：9
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