GB 31604.22-2016 Translated English of Chinese Standard. GB31604.22-2016: National Food Safety Standard - Food Contact Materials and Articles -Determination of Dichlorodifluoromethane in Products of Foamed Polystyrenehttps://www.chinesestandard.net, 23 apr. 2018 - 8 sidor This Standard specifies the method for determination of dichlorodifluoromethane in products of foamed polystyrene. This Standard applies to the determination of dichlorodifluoromethane in products of foamed polystyrene. |
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Scope | 4 |
Instruments and equipment | 5 |
Analysis results expression | 6 |
Precision | 7 |
Appendix A Gas chromatogram of dichlorodifluoromethane standard solution | 8 |