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ASTM D 5351 : 1993 : R2021

Current
Current

The latest, up-to-date edition.

Standard Test Method for Determination of Organically Combined Sulfuric Anhydride by Extraction Titration, Test Method B
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-12-2021

1.1This test method covers the determination of the organically combined sulfuric anhydride existing in a sample of sulfated oil by extracting the undecomposed sulfated fat and other fatty matter over an acidulated, concentrated salt solution, boiling the residue with sulfuric acid after evaporating the solvent, and titrating the products of reaction. This test method is applicable only to sulfated oils that split off their combined SO3 upon boiling with mineral acids, including samples containing sodium acetate or other 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 20 through 24, and ALCA Method H-43.

1.2The values stated in SI units are to be regarded as the standard. The values given in parentheses are provided for information only.

1.3This 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.

1.4This 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.

Committee
D 31
DocumentType
Test Method
Pages
2
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

ASTM D 5353 : 1995 : R2019 Standard Test Method for Determination of Total Desulfated Fatty Matter
ASTM D 5553 : 1995 : R2019 Standard Test Method for Determination of the Unsaponifiable Nonvolatile Matter in Sulfated Oils

ASTM D 500 : 1995 : R2016 Standard Test Methods of Chemical Analysis of Sulfonated and Sulfated Oils
ASTM D 500 : 1995 : R2023 Standard Test Methods of Chemical Analysis of Sulfonated and Sulfated Oils

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