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ASTM-D5351:2009 Edition

ASTM-D5351:2009 Edition

$35.75

D5351-93(2009) Standard Test Method for Determination of Organically Combined Sulfuric Anhydride by Extraction Titration, Test Method B

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ASTM 2009
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1.1 This 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 SO 3 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 D 500 , Sections 20 through 24, and ALCA Method H-43.

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.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Significance and Use
Apparatus
Reagents
2 Procedure
Calculation
Precision and Bias
Keywords
FIG. 1

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