ASTM-D5910:2005 Edition

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D5910-05 Standard Test Method for Determination of Free Formaldehyde in Emulsion Polymers by Liquid Chromatography

Published By	Publication Date	Number of Pages
ASTM	2005	6

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Category: ASTM

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Description

ASTM D5910-05

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

ASTM D5910

Scope

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.

Keywords

emulsion polymers; free formaldehyde; liquid chromatography; post-column reaction

ICS Code

ICS Number Code n/a

DOI: 10.1520/D5910-05

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Summary of Test Method Significance and Use Interferences
2	Apparatus Configuration of Liquid Chromatograph Configuration of Post-Column Reactor (PCR) Reagents and Materials FIG. 1
3	Preparation Operating Conditions for Analysis Calibration and Standardization
4	FIG. 2
5	Procedure Calculation Report Precision and Bias FIG. 3
6	Keywords

Additional information

Standard Title	D5910-05 Standard Test Method for Determination of Free Formaldehyde in Emulsion Polymers by Liquid Chromatography
Published Code	ASTM
Publication Date	2005
Pages Count	6