ASTM D6631 - 05(2011)

    Standard Guide for Committee D01 for Conducting an Interlaboratory Study for the Purpose of Determining the Precision of a Test Method

    Active Standard ASTM D6631 | Developed by Subcommittee: D01.20

    Book of Standards Volume: 06.01


      Format Pages Price  
    PDF Version 3 $37.00   ADD TO CART
    Print Version 3 $37.00   ADD TO CART
    Standard + Redline PDF Bundle 6 $44.40   ADD TO CART


    Significance and Use

    The purpose of an interlaboratory evaluation, as defined in this guide, is to determine the variability of results obtained in different laboratories on equivalent equipment using a prescribed test method.

    The definitions of statistical terms used in this guide are contained in Terminology E456.

    1. Scope

    1.1 This guide covers a simplified statistical procedure for planning and conducting interlaboratory evaluations of test methods.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods

    E456 Terminology Relating to Quality and Statistics

    E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

    E1345 Practice for Reducing the Effect of Variability of Color Measurement by Use of Multiple Measurements


    ICS Code

    ICS Number Code 03.120.20 (Product and company certification. Conformity assessment)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/D6631-05R11

    ASTM International is a member of CrossRef.

    ASTM D6631

    Citing ASTM Standards
    Back to Top