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 PolystyreneThis 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. |
Contents
| 3 | |
Scope | 4 |
Instruments and equipment | 5 |
Analysis results expression | 6 |
Precision | 7 |
Appendix A Gas chromatogram of dichlorodifluoromethane standard solution | 8 |