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    ASTM D4903 - 99(2016)

    Standard Test Method for Total Solids and Water in Vegetable Tanning Material Extracts

    Active Standard ASTM D4903 | Developed by Subcommittee: D31.01

    Book of Standards Volume: 15.04

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    Significance and Use

    4.1 This test method is useful in determining the total solids and water in analytical solutions.

    1. Scope

    1.1 This test method is intended for use in determining the total solids and water in extracts of vegetable tanning materials. The test method is applicable to solutions of liquid, solid, pasty, and powdered extracts, and to extracts of raw or spent materials.

    1.2 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

    D4902 Test Method for Evaporation and Drying of Analytical Solutions

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

    D6401 Test Method for Determining Non-Tannins and Tannin in Extracts of Vegetable Tanning Materials

    D6402 Test Method for Determining Soluble Solids and Insolubles in Extracts of Vegetable Tanning Materials

    D6404 Practice for Sampling Vegetable Materials Containing Tannin

    D6405 Practice for Extraction of Tannins from Raw and Spent Materials

    ICS Code

    ICS Number Code 59.140.10 (Processes and auxiliary materials)

    UNSPSC Code

    UNSPSC Code 31221603(Organic tanning extracts of vegetable origin)

    Referencing This Standard
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    DOI: 10.1520/D4903-99R16

    Citation Format

    ASTM D4903-99(2016), Standard Test Method for Total Solids and Water in Vegetable Tanning Material Extracts, ASTM International, West Conshohocken, PA, 2016, www.astm.org

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