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Digitale Medien

In- and off-laboratory sources of uncertainty in the use of a serum standard reference material as a means of accuracy control in cholesterol determination (1998)

Henrion, André

Springer

Accreditation and quality assurance 3 (1998), S. 127-130

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Details

ISSN: 1432-0517

Schlagwort(e): Key words Experimental design ; Analysis of variance (ANOVA) ; Determination of uncertainties ; Human serum ; Cholesterol ; Standard reference material

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie

Notizen: Abstract Repeated subsampling or a hierarchical design of experiments combined with an analysis of variance (ANOVA) is demonstrated to be a useful tool in the determination of uncertainty components in amount-of-substance measurements. With the reference material of human serum as investigated here for total cholesterol, besides several in-laboratory sources of uncertainty, a vial-to-vial effect which can be regarded as an off-laboratory source was found to be significant. This knowledge might be essential when the material is used for calibration and for the self-assessment of a laboratory.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/s007690050204

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