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ASTM D1639

90th Edition, October 26, 1990

Complete Document

Standard Test Method for Acid Value of Organic Coating Materials

Includes all amendments and changes through Editorial Change 1, October 1996


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Product Details:

  • Revision: 90th Edition, October 26, 1990
  • Published Date: October 1996
  • Status: Not Active, See comments below
  • Document Language: English
  • Published By: ASTM International (ASTM)
  • Page Count: 2
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:



1. Scope

1.1 This test method covers the measurement of the free acidity present in the nonvolatile portion of varnishes, oils, certain resins, and paint vehicles, by the reaction with standard alkali solution.

1.2 If carboxylic anhydrides are present, only one half of the reactive groups will be titrated and indicated by this test method.

1.3 This standard does not purport to address 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.