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ASTM D4789-08

Historical Revision

Standard Test Method for Solution Color of Bisphenol A (4,4<emph type="ital">′</emph >-Isopropylidenediphenol)

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1.1 This test method describes the procedure for determination of the Platinum-Cobalt Color of bisphenol A (4,4-Isopropylidenediphenol) dissolved in methanol.

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. For a specific hazard statement, see Section 8.
p>Color is caused by impurities in the bisphenol A. The acceptable amount of color depends on the end-use of the bisphenol A.

This test method can be used for internal quality control or for setting specifications.

SDO ASTM: ASTM International
Document Number D4789
Publication Date Jan. 1, 2008
Language en - English
Page Count 3
Revision Level 08
Supercedes
Committee D16.02
Publish Date Document Id Type View
Oct. 1, 2020 D4789-20E01 Revision
Oct. 1, 2020 D4789-20 Revision
Aug. 15, 2012 D4789-12 Revision
Jan. 1, 2008 D4789-08 Revision
Jan. 10, 2003 D4789-03 Revision
Jan. 1, 1994 D4789-94 Revision