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ASTM D5559-95

Current Revision

Standard Test Method for Determination of Acidity as Free Fatty Acids/Acid Number in the Absence of Ammonium or Triethanolamine Soaps in Sulfonated and Sulfated Oils

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1.1 This test method covers the determination of the acidity as free fatty acids existing in a sample of sulfonated or sulfated oil, or both, by titrating the sample dissolved in a solvent. It is not applicable in the presence of ammonium or triethanolamine soaps or salts or other compounds that do not react neutral to phenolphthalein when dissolved in alcohol.

1.2 The values stated in SI units are to be regarded as the standard.

1.3 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.


SDO ASTM: ASTM International
Document Number D5559
Publication Date May 15, 1995
Language en - English
Page Count 2
Revision Level 95
Supercedes
Committee D31.08
Publish Date Document Id Type View
May 15, 1995 D5559-95 Revision
Dec. 1, 2023 D5559-95R23 Reaffirmation
April 1, 2017 D5559-95R17 Reaffirmation
Jan. 1, 2011 D5559-95R11 Reaffirmation
April 1, 2006 D5559-95R06 Reaffirmation
May 15, 1995 D5559-95R01 Reaffirmation