Standard Historical Last Updated: Apr 23, 2019 Track Document
ASTM D3546-05(2011)

Standard Test Method for Formic Acid in Glacial Acetic Acid

Standard Test Method for Formic Acid in Glacial Acetic Acid D3546-05R11 ASTM|D3546-05R11|en-US Standard Test Method for Formic Acid in Glacial Acetic Acid Standard new BOS Vol. 06.04 Committee D01
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Significance and Use

This test method is useful for determining the formic acid content of glacial acetic acid by chemical means.

Low molecular weight organic acids (such as acetic and propionic), aldehydes (including formaldehyde and acetaldehyde), ketones, and alcohols (including methyl alcohol) do not interfere with the test.

Formic acid (and other reducing substances) may be present as a result of contamination during storage, distribution, and manufacture. This test method may be used in assessing compliance with a specification.


1.1 This test method covers the determination of the formic acid (and other reducing substances) content of glacial acetic acid by oxidation with lead tetraacetate.

1.2 For purposes of determining conformance of an observed or a calculated value using this test method to relevant specifications, test result(s) shall be rounded off to the nearest unit in the last right-hand digit used in expressing the specification limit, in accordance with the rounding-off method of Practice E29.

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 For hazard information and guidance, see the supplier's Material Safety Data Sheets.

1.5 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.

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Book of Standards Volume: 06.04
Developed by Subcommittee: D01.35
Pages: 3
DOI: 10.1520/D3546-05R11
ICS Code: 71.080.40