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ASTM D4026-06(2021)

Historical Reaffirmation

Standard Test Method for Rubber Latex—Styrene-Butadiene Copolymer—Determination of Residual Styrene

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1.1 This test method covers the determination of the residual styrene content of styrene butadiene (SBR) latex. This test method is based upon direct injection of a diluted latex into a gas chromatograph. The amount of residual styrene is calculated using an internal standard technique.

1.2 The range of residual styrene covered is approximately 100 to 3000 mg/kg (ppm) with a lower detection limit of approximately 50 mg/kg (ppm).

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 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. (For specific safety statements, see Section 8.)

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


4.1 The amount of residual styrene (unreacted styrene) in an SBR latex must be studied from health, safety, economic, and environment viewpoints. This test method is useful in studying these aspects of residual styrene and also in research, development, and factory processing problems.

SDO ASTM: ASTM International
Document Number D4026
Publication Date Nov. 1, 2021
Language en - English
Page Count 6
Revision Level 06(2021)
Supercedes
Committee D11.11
Publish Date Document Id Type View
Oct. 1, 2006 D4026-06 Revision
Nov. 1, 2021 D4026-06R21 Reaffirmation
May 1, 2017 D4026-06R17 Reaffirmation
May 1, 2012 D4026-06R12 Reaffirmation
Nov. 10, 1997 D4026-87R97 Reaffirmation
March 27, 1987 D4026-87R02E01 Reaffirmation