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sklademVydáno: 2010-01-31
BS ISO 24538:2008
Plastics. Homopolymer and copolymer resins of vinyl chloride. Determination of residual vinyl chloride monomer by gas-chromatographic analysis of dry powder
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| Označení normy: | BS ISO 24538:2008 |
| Počet stran: | 18 |
| Vydáno: | 2010-01-31 |
| ISBN: | 978 0 580 56787 2 |
| Status: | Standard |
DESCRIPTION
BS ISO 24538:2008
This standard BS ISO 24538:2008 Plastics. Homopolymer and copolymer resins of vinyl chloride. Determination of residual vinyl chloride monomer by gas-chromatographic analysis of dry powder is classified in these ICS categories:
- 83.080.20 Thermoplastic materials
This International Standard specifies a method for the determination of residual vinyl chloride monomer in homopolymer and copolymer resins of vinyl chloride.
The method is based on a static headspace gas-chromatographic technique (i.e. the analysis of the vapour phase in equilibrium with the solid phase at constant temperature) and is suitable for all kinds of homopolymer and copolymer resin. It is done directly on the resin in powder form.
For compounded material, granulate, extrudate, films, etc., use ISO 6401.
NOTE In the case of compounded material, it is necessary to dissolve the sample in a suitable solvent in order to reach complete headspace equilibrium.