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[Urinary calculi analysis using X-ray diffraction: selection, use and advantages]

R Asper, O Schmucki

    Helvetica Chirurgica Acta
    |August 1, 1981
    PubMed
    Summary
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    X-ray diffraction analysis of urinary calculi offers superior accuracy compared to traditional chemical methods. This instrumental technique ensures reliable results in routine laboratory settings, improving diagnostic quality.

    Area of Science:

    • Analytical Chemistry
    • Clinical Diagnostics
    • Materials Science

    Background:

    • Traditional qualitative-chemical reactions for urinary calculi analysis yield inconsistent and questionable results.
    • There is a need for a more accurate and reliable method for analyzing the composition of urinary calculi.

    Purpose of the Study:

    • To evaluate the efficacy of X-ray diffraction for urinary calculi analysis.
    • To compare the accuracy of X-ray diffraction with qualitative-chemical reactions.

    Main Methods:

    • X-ray diffraction (XRD) was employed for the instrumental analysis of urinary calculi.
    • A comparative study was conducted against traditional qualitative-chemical reaction methods.
    • An interlaboratory quality assurance program involving 100 laboratories was implemented.

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    Main Results:

    • X-ray diffraction analysis demonstrated a high degree of accuracy in identifying urinary calculi composition.
    • The instrumental method replaced the older qualitative-chemical reaction technique in routine laboratory use.
    • The interlaboratory quality assurance program confirmed the reliability and correctness of the X-ray diffraction method.

    Conclusions:

    • X-ray diffraction is a superior and reliable method for the routine analysis of urinary calculi.
    • The adoption of X-ray diffraction has significantly improved the quality of diagnostic results for urinary calculi.
    • Instrumental analysis via X-ray diffraction offers distinct advantages over conventional chemical methods.