The IRMM International Measurement Evaluation Programme (IMEP) IMEP-7:: Inorganic components in human serum

被引：15

作者：

Örnemark, U

Van Nevel, L

Taylor, PDP

Robouch, P

De Bièvre, P

Uldall, A

Loikkanen, M

Müller, MM

Libeer, JC

Steensland, H

Hellsing, K

Squirrell, A

Penberthy, LA

Schiel, D

Tamberg, T

Walczyk, T

Lam, JWH

机构：

[1] SP, S-50115 Boras, Sweden

[2] IRMM, B-2440 Geel, Belgium

[3] Herlev Hosp, DEKS, DK-2730 Herlev, Denmark

[4] Labquality, FIN-00529 Helsinki, Finland

[5] KFJ, IFL, A-1100 Vienna, Austria

[6] Sci Inst Publ Hlth Louis Pasteur, B-1050 Brussels, Belgium

[7] Ulleval Sykehus, NKK, N-0456 Oslo, Norway

[8] EQUALIS, S-75109 Uppsala, Sweden

[9] NATA, Rhodes, NSW 2138, Australia

[10] Flinders Med Ctr, AACB, RCPA, Bedford Pk, SA 5042, Australia

[11] PTB, D-38116 Braunschweig, Germany

[12] BAM, D-12205 Berlin, Germany

[13] ETH Zurich, CH-8803 Ruschlikon, Switzerland

[14] Natl Res Council Canada, Inst Natl Measurement Stand, Ottawa, ON K1A 0R6, Canada

来源：

ACCREDITATION AND QUALITY ASSURANCE | 1999年 / 4卷 / 11期

关键词：

comparability; traceability; isotope-specific methods; isotope dilution mass spectrometry; neutron-activation analysis;

D O I：

10.1007/s007690050413

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

In the seventh round of the Institute for Reference Materials and Measurements' International Measurement Evaluation Programme, 277 clinical laboratories from 17 countries participated. The measurands consisted of inorganic components, present at minor and trace level, in a human liquid serum. Results for calcium, chloride, copper, magnesium, sodium, selenium and zinc are reported and are compared to reference values established mainly by isotope dilution mass spectrometry and neutron-activation analysis. The overall conclusion is that routine measurements of total concentrations of the components by clinical laboratories are of high quality. The fraction of significant errors is small (0.5%) and the self-declared uncertainty values are generally fairly realistic. Results are further commented on with respect to the recent development in metrology in chemistry.

引用

页码：463 / 472

页数：10

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