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Significance and Use
3.1 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.
1.1 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 standard. No other units of measurement are included in this 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
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
ICS Number Code 75.080 (Petroleum products in general)
UNSPSC Code 12352211(Fats or lipids)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM D5553-95(2019), Standard Test Method for Determination of the Unsaponifiable Nonvolatile Matter in Sulfated Oils, ASTM International, West Conshohocken, PA, 2019, www.astm.orgBack to Top