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Significance and Use
This test method provides for the determination of assay and impurities in acetic anhydride. Acetic anhydride is used as an intermediate in many chemical processes. Its relative concentration affects the efficiency of these processes. This test method provides a test procedure for assay and impurity specification acceptance as well as manufacturing control.
1.1 This test method describes the determination of assay and impurities in acetic anhydride by gas chromatography. The acetic anhydride should be at least 95 % pure.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are 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. For specific hazards statements see Section 9.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
E355 Practice for Gas Chromatography Terms and Relationships
ICS Number Code 71.080.40 (Organic acids)
UNSPSC Code 12352106(Organic acids or its substitutes)
ASTM E1616-08, Standard Test Method for Analysis of Acetic Anhydride Using Gas Chromatography, ASTM International, West Conshohocken, PA, 2008, www.astm.orgBack to Top