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Classification of analytical methods.

J V Crable, R G Smith

    American Industrial Hygiene Association Journal
    |February 1, 1975
    PubMed
    Summary
    This summary is machine-generated.

    A new five-class system categorizes analytical methods based on their validation level. This practical approach acknowledges that not all methods are fully evaluated, offering a useful classification for scientific procedures.

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    Area of Science:

    • Analytical Chemistry
    • Method Validation
    • Laboratory Science

    Background:

    • Establishing ideal analytical methods requires extensive evaluation and collaborative testing, which is time-consuming and costly.
    • Existing methods may not always meet the highest standards of validation.
    • A practical classification is needed to address the reality of available analytical procedures.

    Purpose of the Study:

    • To present a five-class classification scheme for analytical methods.
    • To apply this scheme to methods used by the National Institute for Occupational Safety and Health (NIOSH).
    • To provide a framework for understanding the varying levels of analytical method validation.

    Main Methods:

    • Development of a five-class categorization system for analytical methods.

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  • Application of the classification scheme to a set of NIOSH analytical methods.
  • Review of existing literature and published methods from various organizations.

    • Main Results:

    • A five-class system was successfully applied to NIOSH analytical methods.
    • The scheme accommodates methods with different degrees of evaluation, from fully validated to unproved.
    • It acknowledges the practical limitations and availability of analytical procedures.

    Conclusions:

    • A practical classification scheme is essential for managing and understanding analytical methods.
    • This five-class system offers a useful way to categorize methods based on validation status.
    • The approach recognizes the diverse landscape of available analytical techniques and their development stages.