ASTM D2187 - 17

    Standard Test Methods and Practices for Evaluating Physical and Chemical Properties of Particulate Ion-Exchange Resins

    Active Standard ASTM D2187 | Developed by Subcommittee: D19.08

    Book of Standards Volume: 11.02


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    Significance and Use

    7.1 The ionic form of an ion-exchange material affects both its equivalent mass and its equilibrium water content. These in turn influence the numerical values obtained in exchange capacity determinations, in density measurements, and in the size of the particles. To provide a uniform basis for comparison, therefore, the sample should be converted to a known ionic form before analysis. This procedure provides for the conversion of cation-exchange materials to the sodium form and anion-exchange materials to the chloride form prior to analysis. These forms are chosen since they permit samples to be weighed and dried without concern for air contamination or decomposition. If other ionic forms are used this fact should be noted in reporting the results.

    1. Scope

    1.1 These test methods cover the determination of the physical and chemical properties of ion-exchange resins when used for the treatment of water. They are intended for use in testing both new and used materials. The following thirteen test methods are included:

     

    Sections

    Test Practice A—Pretreatment

    6 – 10

    Test Method B—Water Retention Capacity

    11 – 18

    Test Method C—Backwashed and Settled Density

    19 – 26

    Test Method D—Particle Size Distribution

    27 – 35

    Test Method E—Salt-Splitting Capacity of Cation-Exchange Resins

    36 – 45

    Test Method F—Total Capacity of Cation-Exchange Resins

    46 – 55

    Test Method G—Percent Regeneration of Hydrogen-Form Cation-Exchange Resins

    56 – 64

    Test Method H—Total and Salt-Splitting Capacity of Anion-Exchange Resins

    65 – 73

    Test Practice I—Percent Regeneration of Anion Exchange Resins

    74 – 82

    Test Practice J—Ionic Chloride Content of Anion-Exchange Resins

    83 – 90

    Test Method K—Carbonate Content of Anion-Exchange Resins

    91 – 99

    Test Method L—Sulfate Content of Anion Exchange Resins

    100 – 108

    Test Practice M—Total Anion Capacity of Anion-Exchange Resins

    109 – 117

    1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered 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, health and environmental practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Section 10.8.

    1.4 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

    D1129 Terminology Relating to Water

    D1193 Specification for Reagent Water

    D1293 Test Methods for pH of Water

    D2687 Practices for Sampling Particulate Ion-Exchange Materials

    D2777 Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water

    E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves


    ICS Code

    ICS Number Code 71.100.40 (Surface active agents)

    UNSPSC Code

    UNSPSC Code 13111000(Resins)


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

    DOI: 10.1520/D2187-17

    Citation Format

    ASTM D2187-17, Standard Test Methods and Practices for Evaluating Physical and Chemical Properties of Particulate Ion-Exchange Resins, ASTM International, West Conshohocken, PA, 2017, www.astm.org

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