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Significance and Use
This test method is intended for the determination of organically combined sulfuric anhydride in sulfated oils.
1.1 This test method covers the determination of the organically combined sulfuric anhydride existing in a sample of sulfated oil by boiling the sample with sulfuric acid and determining the acidity of the reaction mixture. This test method is applicable only to oils that split off their combined SO3 upon boiling with mineral acids and that do not contain compounds that cannot be accurately titrated in water solution with methyl orange as the indicator. This test method was derived from Test Methods D500, Sections 15 through 19.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are provided for information only.
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 (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D500 Test Methods of Chemical Analysis of Sulfonated and Sulfated Oils
ICS Number Code 71.080.01 (Organic chemicals in general)
UNSPSC Code 11162300(Leathers)
ASTM D5350-95(2012), Standard Test Method for Determination of Organically Combined Sulfuric Anhydride by Titration, Test Method A , ASTM International, West Conshohocken, PA, 2012, www.astm.orgBack to Top