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ASTM D3546-05

Current Revision

Standard Test Method for Formic Acid in Glacial Acetic Acid

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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 tetraacetate².

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

1.3 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 E 29.

1.4This 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.

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


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.

SDO ASTM: ASTM International
Document Number D3546
Publication Date May 15, 2005
Language en - English
Page Count 2
Revision Level 05
Supercedes
Committee D01.35
Publish Date Document Id Type View
May 15, 2005 D3546-05 Revision
Dec. 10, 1999 D3546-90R99 Revision
April 1, 2019 D3546-05R19 Reaffirmation
Feb. 1, 2011 D3546-05R11 Reaffirmation