MICROHOMOGENEITY STUDY OF BCR CANDIDATE REFERENCE MATERIAL CRM-422 - COD MUSCLE

被引:13
作者
PAUWELS, J [1 ]
KURFURST, U [1 ]
GROBECKER, KH [1 ]
QUEVAUVILLER, P [1 ]
机构
[1] COMMISS EUROPEAN COMMUNITIES,BCR,B-1049 BRUSSELS,BELGIUM
来源
FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 1993年 / 345卷 / 07期
关键词
D O I
10.1007/BF00326336
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
BCR CRM-422 (cod muscle) was prepared at CBNM by cryogrinding and subsequent freeze-drying, mixing and bottling under controlled conditions. After completion of the production process, the material was examined for microhomogeneity by solid sampling Zeeman atomic absorption spectrometry (SS-ZAAS) on 85 to 138 microsamples for five elements: Pb, Cd, Hg, Fe, Zn. Conclusions drawn from this microhomogeneity control are discussed.
引用
收藏
页码:478 / 481
页数:4
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