ASTM D2257-98(2004)

    Standard Test Method for Extractable Matter in Textiles


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    1. Scope

    1.1 This test method covers a procedure for determining the extractable material on most fibers, yarns, and fabrics. Three options are included. Option 1 uses heat and Soxhlet extraction apparatus. Option 2 uses room temperature and extraction funnels. Option 3 uses either Option 1 or Option 2 extraction but provides for calculation of extractable matter from the loss in mass of the material due to the extraction rather than the extractable matter residue.

    Note 1

    Other standards for the determination of extractable matter in textiles made of specific fibers include: Specification D 541, Specification D 681, and Test Method D 1574.

    1.1.1 The solvents for use in this method are any solvents that the party or parties concerned agreed on; such as, Halogenated Hydrocarbon (HH) chloroform, tetrachloroethane, alcohol.

    1.1.2 This test method may not extract cross-linked finishes or resins which may be on the textile.

    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. See Sections 6 and 7.


    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

    D541 Specification for Single Jute Yarn

    D681 Specification for Jute Rove and Plied Yarn for Electrical and Packing Purposes

    D1574 Test Method for Extractable Matter in Wool and Other Animal Fibers

    D1909 Standard Table of Commercial Moisture Regains for Textile Fibers

    D2258 Practice for Sampling Yarn for Testing

    D3333 Practice for Sampling Manufactured Staple Fibers, Sliver, or Tow for Testing

    D4920 Terminology Relating to Conditioning, Chemical, and Thermal Properties

    Other Documents

    IWTO 10-62(E) Method for Determination of the Dichloromethane Soluble Matter in Combed Wool Sliver Available from International Wool Secretariat, Carlton Gardens, London S.W. 1, England.


    ICS Code

    ICS Number Code 59.080.20 (Yarns)

    UNSPSC Code

    UNSPSC Code 11161800(Synthetic fabrics)


    Referencing This Standard
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    DOI: 10.1520/D2257-98R04

    Citation Format

    ASTM D2257-98(2004), Standard Test Method for Extractable Matter in Textiles, ASTM International, West Conshohocken, PA, 2004, www.astm.org

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