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Related Experiment Videos

Interlaboratory survey on thallium in urine.

M Geldmacher-von Mallinckrodt, D Stamm, P Enders

    Zeitschrift Fur Rechtsmedizin. Journal of Legal Medicine
    |January 1, 1984
    PubMed
    Summary

    A new control sample for thallium analysis was developed to meet legal quality assurance requirements in German legal medicine. This innovation supports interlaboratory surveys, enhancing the reliability of clinico-toxicologic determinations.

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    Area of Science:

    • Forensic Toxicology
    • Analytical Chemistry
    • Medical Laboratory Science

    Background:

    • German legislation mandates quality assurance for analytic results in healthcare, including legal medicine.
    • Existing regulations require adherence to specific guidelines and calibration laws, effective since 1974.
    • Quantitative clinico-toxicologic analyses are subject to these stringent quality assurance measures.

    Purpose of the Study:

    • To address the lack of suitable control samples in toxicologic analysis.
    • To develop a reliable control sample for thallium determination.
    • To facilitate long- and short-term interlaboratory quality assurance surveys.

    Main Methods:

    • Development of a novel control sample specifically for thallium.
    • Implementation of the control sample in interlaboratory surveys.
    • Evaluation of the control sample's utility for quality assurance.

    Main Results:

    • A functional control sample for thallium analysis was successfully created.
    • The developed control sample is suitable for both long- and short-term interlaboratory surveys.
    • The results demonstrate the feasibility of implementing this control sample for quality assurance.

    Conclusions:

    • The newly developed thallium control sample meets the requirements for quality assurance in legal medicine.
    • This control sample enhances the reliability of quantitative toxicologic analyses.
    • It provides a crucial tool for interlaboratory comparisons and validation in forensic toxicology.

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