GB 31604.9-2016 Translated English of Chinese Standard. GB31604.9-2016: National Food Safety Standard - Food contact materials and products - Determination of heavy metals in food simulantshttps://www.chinesestandard.net, 18. mar. 2015 - 9 sider This Standard specifies the determination of heavy metals in food simulants (4% acetic acid). The Method One of this Standard applies to the determination of heavy metals of food contact materials and products in food simulants (4% acetic acid). |
Almindelige termer og sætninger
100 mL volumetric 50 mL color acetic acid solution acid solution 8.2.5 add 30 mL add water Ammonia analysis of hygienic analysis results Analytical balances awarded the standard certified color comparison tube color of standard determination of heavy dilute to scale Expression of analysis Food contact materials food packaging food simulant test Glacial acetic acid hygienic standard lead standard solution Lead standard stock mass fraction materials and products metals in food Method for analysis mL color comparison mL of lead mL of nitric mL volumetric flask modified the expression National Food Safety Nitric acid solution obtain food simulant pipet 1.0 mL Polystyrene Potassium cyanide Reagents Respectively add sample color set volume simulant test solution Sodium sulfide hydrate Sodium sulfide solution solution is equivalent standard material certificate standard of products standard stock solution standard use solution terms of lead volume to 100 water to dilute water to scale water to set