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Scope

DESIG: D 2687 95 (Reapproved 2001) ^TITLE: Standard Practices for Sampling Particulate Ion-Exchange Materials ^SCOPE:

1.1 These practices cover procedures for obtaining representative samples of ion-exchange materials. The following practices are included:

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.

Significance and Use

This practice will be used most frequently to sample materials as received from the manufacturer in the original shipping container and prior to any resin-conditioning procedure. Since certain ion-exchange materials are supplied by the manufacturer in the dry or free-flowing state whereas others are supplied moist, it is necessary to employ two different sampling devices. Therefore, this practice is divided into Sampling Procedure—Dry or Free-Flowing Material, and Sampling Procedure—Moist Material.

Once the sample is obtained, it is necessary to protect the ion-exchange materials from changes. Samples should be placed in sealable, gasproof containers immediately.

Keywords

ion exchange; moisture analysis-refractories; resins-ion exchange; sampling-water applications; sampling particulate ion-exchange materials, practice; ICS Number Code 71.100.40 (Surface active agents)

To find similar documents by ASTM Volume:

11.02 (Water (II))

To find similar documents by classification:

71.100.40 (Surface active agents)

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