ASTM-D1631 Standard Test Method for Water in Phenol and Related Materials by the Iodine Reagent Method

ASTM-D1631 - 2010 R18(E1) EDITION - CURRENT
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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.

Significance and Use

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.


cresols; iodine; Karl Fischer method; naphthalene; phenol; pyridine; quinoline; water; xylenols;

To find similar documents by ASTM Volume:

06.04 (Paint -- Solvents; Aromatic Hydrocarbons)

To find similar documents by classification:

71.080.90 (Phenols)

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Document Number


Revision Level

2010 R18(E1) EDITION



Modification Type

Reapproval with Ed Change

Publication Date

Feb. 15, 2018

Document Type

Test Method

Page Count

4 pages

Committee Number