GB 31604.49-2016 National food safety standard Determination of arsenic, cadmium, chromium and lead in food contact materials and products and determination of migration of arsenic, cadmium, chromium, nickel, lead, antimony and zinc (English Version)
2023GB 31604.49-2023 National Food Safety Standard Determination of Multi-Elements in Food Contact Materials and Products and Determination of Migration Amounts of Multi-Elements
2016GB 31604.49-2016 National food safety standard Determination of arsenic, cadmium, chromium and lead in food contact materials and products and determination of migration of arsenic, cadmium, chromium, nickel, lead, antimony and zinc