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GB/T 38271-2019
GB/T 38271-2019 Plastics—Determination of residual styrene monomer in polystyrene(PS) and impact-resistant polystyrene(PS-I)—Gas chromatography
Abstract
This standard specifies three methods for determining the residual styrene monomer content in polystyrene (PS) and impact-resistant polystyrene (PS-I) using gas chromatography:
Method A - Dissolution method;
Method B - Dissolution-precipitation method;
Method C - Headspace method.
This standard is applicable to the determination of styrene monomer content in PS and PS-I, and is also applicable to the simultaneous determination of the content of other volatile aromatic hydrocarbons in PS and PS-I.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Replaced |
| Standard Code | GB/T 38271-2019 |
| CCS | Basic standards and general methods for synthetic resins and plastics |
| ICS | Thermoplastic plastics |
| Implement Date | 2020-11-01 |
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