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Scope

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.

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.

Keywords

acetic anhydride; anhydride; gas chromatography; Acetic anhydride; Assay; Gas chromatography (GC)--chemicals; Impurities; ICS Number Code 71.080.40 (Organic acids)

To find similar documents by ASTM Volume:

06.04 (Paint -- Solvents; Aromatic Hydrocarbons)

15.05 (Engine Coolants; Halogenated Organic Solvents and Fire Extinguishing Agents; Industrial and Specialty Chemicals)

To find similar documents by classification:

71.080.40 (Organic acids)

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