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ASTM D5910-05

Current Revision

Standard Test Method for Determination of Free Formaldehyde in Emulsion Polymers by Liquid Chromatography

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1.1 This test method is used for the determination of free formaldehyde (HCHO) in emulsion polymers without upsetting existing formaldehyde equilibria. The procedure has been evaluated using acrylic, acrylonitrile-butadiene, carboxylated styrene-butadiene and polyvinyl acetate emulsion polymers. This test method may also be applicable for emulsion polymers of other compositions. The established working range of this test method is from 0.05 to 15 ppm formaldehyde. Emulsion polymers must be diluted to meet the working range.

1.2 This test method minimizes changes in free formaldehyde concentration that can result from changes in the physical or chemical properties of an emulsion polymer.

1.3 There are no known limitations to this test method when used in the manner described. The emulsion polymer test specimen must be prepared with a diluent that has a pH similar to that of the emulsion. Use of an inappropriate pH may upset formaldehyde equilibria and result in incorrect formaldehyde levels.

1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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.


With the need to calculate free formaldehyde levels in emulsion polymers, it is necessary to make the determination without upsetting any equilibria that might generate or deplete formaldehyde. This test method provides a means for determining ppm levels of free formaldehyde in emulsion polymers without upsetting existing equilibria.

SDO ASTM: ASTM International
Document Number D5910
Publication Date Oct. 1, 2005
Language en - English
Page Count 6
Revision Level 05
Supercedes
Committee D01.33
Publish Date Document Id Type View
Oct. 1, 2005 D5910-05 Revision
Jan. 1, 1996 D5910-96 Revision
June 1, 2019 D5910-05R19 Reaffirmation
Nov. 1, 2012 D5910-05R12 Reaffirmation