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See Chinese contents: GB 31604.47-2023 GB 31604.47-2023: National food safety standard - Food contact materials and products - Determination of fluorescent substances in paper, paperboard and paper products
This standard specifies the method for the determination of fluorescent substances in food contact paper, cardboard, and paper products. This standard is applicable to the determination of fluorescent substances in food contact paper, cardboard, and paper products.
