ASTM D3516 - 89(2019)e1

    Standard Test Methods for Ashing Cellulose

    Active Standard ASTM D3516 | Developed by Subcommittee: D01.36

    Book of Standards Volume: 06.03

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    Significance and Use

    4.1 Ash content gives an estimation of the inorganic content of cellulose samples. The presence of high levels of ash can be expected to be detrimental to the process of making cellulose derivatives. It also provides a rough estimate of silica content which can have a significant effect on the performance of filters in cellulose derivative manufacturing facilities.

    1. Scope

    1.1 These test methods cover four ashing methods for cellulose. These are intended for use on unbleached and bleached cellulose in sheeted or bulk fiber form. Each one of the test methods has advantages, so that preference applications exist for all four.

    1.2 The test methods appear as follows:



    Test Method A—Ash in Cellulose at 575°C

    6 to 11

    Test Method B—Sulfated Ash in Cellulose at 575°C

    12 to 17

    Test Method C—Ashing Cellulose by Schoniger Oxidation

    18 to 22

    Test Method D—Wet Ashing of Cellulose for Inorganics

    23 to 29

    1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

    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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For a specific hazard statement, see 20.6.1.

    1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

    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

    D1193 Specification for Reagent Water

    D1348 Test Methods for Moisture in Cellulose

    ICS Code

    ICS Number Code 85.040 (Pulps)

    UNSPSC Code

    UNSPSC Code 12352200(Biochemicals)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/D3516-89R19E01

    Citation Format

    ASTM D3516-89(2019)e1, Standard Test Methods for Ashing Cellulose, ASTM International, West Conshohocken, PA, 2019,

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