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    ASTM D7410-07(2012)

    Standard Practice for Qualification of Cotton Classification Instruments for Cotton Marketing (Withdrawn 2021)

    Withdrawn Standard: ASTM D7410-07(2012) | Developed by Subcommittee: D13.11


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    Withdrawn Rationale:

    This practice provides two options for the qualification of cotton classification instruments: option 1, newly installed cotton classification instrumentation, or option 2, annual verification of cotton classification instrumentation using evaluation cottons, trash evaluation images, and color evaluation fiber samples for the fiber measurements of micronaire reading, upper half mean length, uniformity index, breaking tenacity (strength), Rd (color reflectance), +b (color yellowness), percent area (trash), and particle count (trash).

    Formerly under the jurisdiction of Committee D13 on Textiles, this practice was withdrawn in January 2021 in accordance with section 10.6.3 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the end of the eighth year since the last approval date.

    1. Scope

    1.1 This practice provides two options for the qualification of cotton classification instruments: option 1, newly installed cotton classification instrumentation, or option 2, annual verification of cotton classification instrumentation using evaluation cottons, trash evaluation images, and color evaluation fiber samples for the fiber measurements of micronaire reading, upper half mean length, uniformity index, breaking tenacity (strength), Rd (color reflectance), +b (color yellowness), percent area (trash), and particle count (trash).

    1.2 This practice covers the technical requirements to validate the consistency of data reported by a cotton classification instrument.

    1.2.1 The practice can be used when new equipment is installed or it can be used to perform annual verification for consistency of reported data.

    1.2.2 The practice can be used to qualify cotton classification instruments using evaluation cottons, trash evaluation images, and color evaluation fiber samples. These data can be used for fiber measurements of micronaire reading, upper half mean length, uniformity index, strength, color reflectance, and trash.

    1.3 The values stated in English units are to be regarded as standard. No other units of measurement are included in this standard.

    1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.



    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

    D123 Terminology Relating to Textiles

    D1776 Practice for Conditioning and Testing Textiles

    D2495 Test Method for Moisture in Cotton by Oven-Drying

    D7139 Terminology for Cotton Fibers

    Other Documents

    USDA The Classification of Cotton, April 2001, Agricultural Handbook; United States Department of Agriculture, Agricultural Marketing Service, Cotton Program, 3275 Appling Road, Memphis TN 38133 http://www.ams.usda.gov/cotton/cnpubs.htm


    Referencing This Standard
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    DOI: 10.1520/D7410-07R12

    Citation Format

    ASTM D7410-07(2012), Standard Practice for Qualification of Cotton Classification Instruments for Cotton Marketing (Withdrawn 2021), ASTM International, West Conshohocken, PA, 2012, www.astm.org

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