Standard Historical Last Updated: Aug 18, 2017 Track Document
ASTM D2187-94(2009)e1

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

Standard Test Methods for Physical and Chemical Properties of Particulate Ion-Exchange Resins D2187-94R09E01 ASTM|D2187-94R09E01|en-US Standard Test Methods for Physical and Chemical Properties of Particulate Ion-Exchange Resins Standard new BOS Vol. 11.02 Committee D19
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Significance and Use

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.

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:

1.2 The values stated in SI units are to be regarded as the standard. The inch-pound units given in parentheses are for information only.

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. Specific precautionary statements are given in Section 10.8.

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Details
Book of Standards Volume: 11.02
Developed by Subcommittee: D19.08
Pages: 20
DOI: 10.1520/D2187-94R09E01
ICS Code: 71.100.40