CERTIFIED REFERENCE MATERIALS FOR THE DETERMINATION OF CADMIUM IN POLYETHYLENE

被引：21

作者：

PAUWELS, J ^{[1
]}

LAMBERTY, A ^{[1
]}

DEBIEVRE, P ^{[1
]}

GROBECKER, KH ^{[1
]}

BAUSPIESS, C ^{[1
]}

机构：

[1] MERCEDES BENZ AG,D-70322 STUTTGART,GERMANY

来源：

FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 1994年 / 349卷 / 06期

关键词：

D O I：

10.1007/BF00322924

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Four polyethylene reference materials with cadmium concentrations in the range of 40 to 400 mg/kg have been certified by IRMM on behalf of Verband der Automobilindustrie e.V. (VDA), Frankfurt, Germany. The homogeneity of the materials was verified using Solid Sampling Zeeman Atomic Absorption Spectrometry (SS-ZAAS). Their cadmium content was determined by Isotope Dilution Mass Spectrometry (IDMS) using a quadrupole thermal ionization mass spectrometer. The certified uncertainties were about 3% relative and correspond to confidence levels of 95%; they take into account all contributions of statistical and systematic nature. The material was used within the scope of IRMM's International Measurement Evaluation Programme (IMEP).

引用

页码：409 / 411

页数：3

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