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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.
Область применения1.1 This test method describes the procedure for determination of the Platinum-Cobalt Color of 4,4`-Isopropylidenediphenol, commercially known as bisphenol A, 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.