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ASTM D1631-24

Current Revision

Standard Test Method for Water in Phenol and Related Materials by the Iodine Reagent Method

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1.1 This test method covers the determination of water in phenol and related materials such as cresols, xylenols, naphthalene, pyridine, and quinoline.

1.2 This test method has been found applicable to a variety of materials varying in water content from 100 mg/kg to solutions containing a relatively high percent of water.

1.3 In determining the conformance of the test results using this method to applicable specifications, results shall be rounded off in accordance with the rounding-off method of Practice E29.

1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5 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. For specific hazard statements, see Section 9.

1.6 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.


5.1 This test method is particularly useful for determining small amounts of water in hygroscopic materials. This test method is suitable for setting specifications on materials referenced in the scope. It may also be used as an internal quality control tool and in development or research work.

SDO ASTM: ASTM International
Document Number D1631
Publication Date May 1, 2024
Language en - English
Page Count 5
Revision Level 24
Supercedes
Committee D16.02
Publish Date Document Id Type View
May 1, 2024 D1631-24 Revision
Jan. 1, 2010 D1631-10 Revision
June 10, 1999 D1631-99 Revision
Feb. 15, 2018 D1631-10R18E01 Reaffirmation
Aug. 1, 2004 D1631-99R04 Reaffirmation