ASTM D5627-94(1998)

Standard Test Method for Water Extractable Residue from Particulate Ion-Exchange Resins

SCOPE
1.1 This test method covers the measurement of water soluble extractable residue from particulate ion-exchange resins based on elevated temperature extraction and gravimetric determination of residue.  
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.

General Information

• Status: Historical
• Publication Date: 09-Dec-1998
• ICS: 13.060.50 - Examination of water for chemical substances
• Technical Committee: D19 - Water
• Drafting Committee: D19.08 - Membranes and Ion Exchange Materials

Relations

• Replaced By: ASTM D5627-94(2004) - Standard Test Method for Water Extractable Residue from Particulate Ion-Exchange Resins
• Effective Date: 01-Jun-2004

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
An American National Standard
Designation: D 5627 – 94 (Reapproved 1998)
Standard Test Method for
Water Extractable Residue from Particulate Ion-Exchange
Resins
This standard is issued under the fixed designation D 5627; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope contamination of process water. The quantity of water extract-
ables is sometimes used as a specification to indicate resin
1.1 This test method covers the measurement of water
quality, and typical values are 0.01 to 0.1 %.
soluble extractable residue from particulate ion-exchange res-
5.2 It is recognized that this test method may not remove all
ins based on elevated temperature extraction and gravimetric
potential sloughage products and does not measure volatile
determination of residue.
compounds. More extensive extraction and identification of
1.2 This standard does not purport to address all of the
compounds may be needed in specific cases.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
6. Interferences
priate safety and health practices and determine the applica-
6.1 The hygroscopic nature of some extracted compounds
bility of regulatory limitations prior to use.
can make it difficult to obtain a constant weight. Other
2. Referenced Documents extraction times and temperatures may give results that are not
comparable to these.
2.1 ASTM Standards:
D 1129 Terminology Relating to Water
7. Apparatus
D 1193 Specification for Reagent Water
7.1 Funnel, 60 mL with coarse frit.
D 2187 Test Methods for Physical and Chemical Properties
7.2 Filtration assembly.
of Particulate Ion-Exchange Resins
7.3 Glass fiber filters, without binder, pre-rinsed with wa-
D 2687 Practices for Sampling Particulate Ion-Exchange
ter.
Materials
7.4 Weighing vessel—Platinum, nickel, or aluminum may
D 2777 Practice for Determination of Precision and Bias of
2 be used so long as there is no attack by the sample and constant
Applicable Methods of Committee D-19 on Water
weight can be achieved.
3. Terminology 7.5 Water bath, for use at 60 6 1°C.
3.1 Definitions:
8. Reagents
3.1.1 For definitions of terms used in this test method, refer
8.1 Purity of Reagents—Reagent grade chemicals shall be
to Terminology D 1129.
used in all tests. Unless otherwise indicated, it is intended that
4. Summary of Test Method all reagents shall conform to the specifications of the Commit-
tee on Analytical Reagents of the American Chemical Society,
4.1 A sample of particulate ion exchange material is con-
where such specifications are available. Other grades may be
tacted with water at an elevated temperature. After a specified
used, provided it is first ascertained that the reagent is of
contact time, the concentration of soluble material in the
sufficiently high purity to permit its use without lessening the
aqueous phase is measured gravimetrically after filtration.
accuracy of the determination.
5. Significance and Use
5.1 The presence of water extractables in ion-exchange
resins can cause fouling of other materials downstream and
Gelman Type A/E, Millipore Type AP40, Whatman GF/C, or equivalent, have
been found suitable for this purpose.
1 5
This test method is under the jurisdiction of ASTM Committee D-19 on Water Reagent Chemicals, American Chemical Society Specifications, American
and is the direct responsibility of Subcommittee D19.08 on Membranes and Ion Chemical Society, Washington, DC. For suggestions on the testing of reagents not
Exchange Materials. listed by the American Chemical Society, see Analar Standards for Laboratory
Current edition approved Nov. 15, 1994. Published January 1995. Chemicals, BDH Ltd., Poole, Dorset, U.K., and the United States Pharmacopeia
Annual Book of ASTM Standards, Vol 11.01. and National Formulary, U.S. Pharmaceutical Convention, Inc. (USPC), Rockville,
Annual Book of ASTM Standards, Vol 11.02. MD.
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D 5627 – 94 (1998)
8.2 Purity of Water—Unless otherwise indicated, references ~A 2 B! 3 200
Water Extractable Residue, % wet basis 5
C
to water shall be understood to mean reagent water conforming
to Specification D 1193, Type I or lI.
~A 2 B! 3 200
Water Extractable Residue, % dry basis 5
D
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