ASTM-D1631 › Historical Revision Information
Standard Test Method for Water in Phenol and Related Materials by the Iodine Reagent Method
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Scope
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 The following applies to all specified limits in this standard: for purposes of determining conformance with this standard, an observed value or a calculated value shall be rounded off "to the nearest unit" in the last right-hand digit used in expressing the specification limit in accordance with the rounding-off method of Practice E 29.
1.4 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 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.
Keywords
cresols; iodine; Karl Fischer method; naphthalene; phenol; pyridine; quinoline; water; xylenols; ICS Number Code 71.080.90 (Phenols)
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Document Number
ASTM-D1631-99(2004)
Revision Level
1999 R04 EDITION
Status
Superseded
Modification Type
Reapproval
Publication Date
Aug. 1, 2004
Document Type
Test Method
Page Count
3 pages
Committee Number
D16.02