ASTM D4988-96(2006)

    Withdrawn Standard: ASTM D4988-96(2006) Standard Test Method for Determination of Alkalinity of Paper as Calcium Carbonate (Alkaline Reserve of Paper) (Withdrawn 2010)

    Developed by Subcommittee: D06.92

    WITHDRAWN, NO REPLACEMENT

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    Withdrawn Rationale:

    This test method covers the determination of the alkalinity or alkaline reserve of paper, or both.

    Formerly under the jurisdiction of Committee D06 on Paper and Paper Products, this test method was withdrawn in May 2010 because equivalent TAPPI and ISO publications exist.

    1. Scope

    1.1 This test method covers the determination of the alkalinity or alkaline reserve of paper, or both.

    1.2 A qualitative test is described that indicates the presence of carbonate. (The detection limit is approximately 5 % calcium carbonate.)

    1.3 A qualitative test is described that determines the alkalinity expressed as percent calcium carbonate or alkaline reserve, or both, expressed as moles per kilogram of paper. Note 1 - A similar procedure for measuring the alkalinity or alkaline reserve or both of paper will be found in ISO 10716.

    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

    D585 Practice for Sampling and Accepting a Single Lot of Paper, Paperboard, Fiberboard, and Related Product

    D644 Test Method for Moisture Content of Paper and Paperboard by Oven Drying

    D1968 Terminology Relating to Paper and Paper Products

    ISO Standard

    ISO10716 Paper and Board--Determination of Alkali Reserve

    TAPPI Standards

    T610 Preparation of Indicators and Standard Solutions


    DOI: 10.1520/D4988-96R06

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