GB 31604.47-2023 National Food Safety Standard Food Contact Materials and Products Determination of Fluorescent Substances in Paper, Cardboard and Paper Products (English Version)
2023GB 31604.47-2023 National Food Safety Standard Food Contact Materials and Products Determination of Fluorescent Substances in Paper, Cardboard and Paper Products
2017GB 31604.34-2016 National food safety standard Determination of lead in food contact materials and products and determination of migration
2003GB/T 5009.78-2003 Method for analysis of hygienic standard of papers for food packaging