ASTM D5508
Standard Test Method for Determination of Residual Acrylonitrile Monomer in Styrene-Acrylonitrile Copolymer Resins and Nitrile-Butadiene Rubber by Headspace-Capillary Gas Chromatography (HS-CGC)
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About This Item
ASTM D5508 is the ASTM standard for determining residual acrylonitrile monomer in styrene-acrylonitrile copolymer resins and nitrile-butadiene rubber by headspace-capillary gas chromatography (HS-CGC). It provides a defined test method for measuring trace monomer content in these materials, helping support product evaluation, quality control, and specification compliance. By focusing on a consistent analytical approach, this standard helps users compare results more reliably across batches, laboratories, and material lots.
What is ASTM D5508?
ASTM D5508 describes a test method used to measure residual acrylonitrile monomer in styrene-acrylonitrile copolymer resins and nitrile-butadiene rubber. The title indicates that the method relies on headspace-capillary gas chromatography, an analytical technique suited to detecting volatile components in a sample. In practical terms, this standard helps laboratories determine whether residual monomer levels are within expected limits and supports a consistent approach to analytical testing for these polymer materials.
Where is ASTM D5508 used?
This standard is typically used in laboratories and quality control environments that evaluate styrene-acrylonitrile copolymer resins and nitrile-butadiene rubber. It is relevant when verifying residual acrylonitrile levels during material testing, incoming inspection, production monitoring, or product release. ASTM D5508 is also useful for organizations that need a documented analytical procedure for headspace-capillary gas chromatography and a repeatable method for comparing results across samples or test runs.
Why is ASTM D5508 important?
ASTM D5508 matters because residual monomer content can be an important quality and compliance check for these polymer materials. A standardized test method helps reduce variation in results and supports more consistent decision-making in procurement, manufacturing, and laboratory assessment. For users responsible for product performance or technical review, the standard offers a clear testing framework that can help manage risk and improve confidence in reported acrylonitrile measurements.
- Residual acrylonitrile monomer measurement
- Headspace-capillary gas chromatography method
- Testing for SAN copolymer resins
- Testing for nitrile-butadiene rubber
- Quality control and compliance support
- Publication Date: 2023-11-06
- Publisher: ASTM
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