ASTM D4900 - 99(2009)

    Standard Test Method for Lignosulfonates (Sulfite Cellulose) in Tanning Extracts

    Active Standard ASTM D4900 | Developed by Subcommittee: D31.01

    Book of Standards Volume: 15.04


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    Significance and Use

    The test method is useful to detect possible adulteration of tanning material extract with cheap and inferior lignosulfonates.

    1. Scope

    1.1 This test method is intended for use in detecting the presence of lignosulfonates (sulfite cellulose) in extracts of tanning materials.

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

    1.3 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

    D4901 Practice for Preparation of Solution of Liquid Vegetable Tannin Extracts

    D4905 Practice for Preparation of Solution of Solid, Pasty and Powdered Vegetable Tannin Extracts

    D6404 Practice for Sampling Vegetable Materials Containing Tannin

    D6405 Practice for Extraction of Tannins from Raw and Spent Materials

    ALCA Methods

    A50 Lignosulfonates (Sulfite Cellulose) Official Methods of the American Leather Chemists Association. Available from the American Leather Chemists Association, University of Cincinnati, P.O. Box 210014, Cincinnati, OH 45221-0014.


    UNSPSC Code

    UNSPSC Code 31221603(Organic tanning extracts of vegetable origin)


    Referencing This Standard

    DOI: 10.1520/D4900-99R09

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM D4900-99(2009), Standard Test Method for Lignosulfonates (Sulfite Cellulose) in Tanning Extracts, ASTM International, West Conshohocken, PA, 2009, www.astm.org

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