ASTM D5562

This test method is intended for use in the determination of the acid number of sulfonated and sulfated oils for the purpose of quality assurance.

1. Scope

1.1 This test method covers determination of the acidity as free fatty acids in the presence of ammonium or triethanolamine soaps, or both, existing in a sample of sulfonated or sulfated oil, or both, by calculation from the total alkalinity and free-and-alkali combined fatty acids.

1.2 The values 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.

2. Referenced Documents

D5350 Test Method for Determination of Organically Combined Sulfuric Anhydride by Titration, Test Method A

Index Terms

acidity; free fatty acids; leather; sulfonated and sulfated oils; ICS Number Code 71.080.40

Citing ASTM Standards

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