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  • 1
    Electronic Resource
    Electronic Resource
    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)
    Springer
    Accreditation and quality assurance 3 (1998), S. 127-130 
    Details
    ISSN: 1432-0517
    Keywords: Key words Experimental design ; Analysis of variance (ANOVA) ; Determination of uncertainties ; Human serum ; Cholesterol ; Standard reference material
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: 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.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s007690050204
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