ASTM D5553

This test method is intended for use in the determination of the unsaponifiable, nonvolatile matter contained in sulfated oils for the purpose of quality assurance.

1. Scope

1.1 This test method covers the determination of the unsaponifiable, nonvolatile (above 80°C) matter existing in a sample of sulfated oil by saponifying the desulfated fatty matter and extracting the unsaponifiable matter, and extracting the unsaponifiable matter from the soap solution with ethyl ether.

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.

2. Referenced Documents

D5350 Test Method for Determination of Organically Combined Sulfuric Anhydride by Titration, Test Method A
D5351 Test Method for Determination of Organically Combined Sulfuric Anhydride by Extraction Titration, Test Method B
D5353 Test Method for Determination of Total Desulfated Fatty Matter

Index Terms

leather; nonvolatile matter; sulfated oils; unsaponifiable; ICS Number Code 75.080

Citing ASTM Standards

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