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GB 4806.8-2022 English PDF (GB 4806.8-2016)

GB 4806.8-2022_English: PDF (GB4806.8-2022)
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GB 4806.8-2022English230 Add to Cart 0--9 seconds. Auto-delivery National Food Safety Standard - Food Contact Paper and Board Materials and Their Products Valid GB 4806.8-2022
GB 4806.8-2016English75 Add to Cart 0--9 seconds. Auto-delivery National food safety standard -- Food contact paper and board materials and their products Obsolete GB 4806.8-2016


BASIC DATA
Standard ID GB 4806.8-2022 (GB4806.8-2022)
Description (Translated English) National Food Safety Standard - Food Contact Paper and Board Materials and Their Products
Sector / Industry National Standard
Classification of Chinese Standard C53
Word Count Estimation 16,146
Date of Issue 2022-06-30
Date of Implementation 2022-12-30
Older Standard (superseded by this standard) GB 4806.8-2016
Administrative Organization National Health Commission
Issuing agency(ies) State Administration for Market Regulation

BASIC DATA
Standard ID GB 4806.8-2016 (GB4806.8-2016)
Description (Translated English) National food safety standard -- Food contact paper and board materials and their products
Sector / Industry National Standard
Classification of Chinese Standard X09
Word Count Estimation 8,856
Date of Issue 2016-10-19
Date of Implementation 2017-04-19
Older Standard (superseded by this standard) GB 19305-2003; GB 11680-1989
Regulation (derived from) State Health and Family Planning Commission Notice No.1516 of 2016


GB 4806.8-2022 NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA National Food Safety Standard - Food Contact Paper and Board Materials and Their Products ISSUED ON. JUNE 30, 2022 IMPLEMENTED ON. JUNE 30, 2023 Issued by. National Health Commission of the People's Republic of China; State Administration for Market Regulation. Table of Contents Foreword... 3  1 Scope... 4  2 Terms and definitions... 4  3 Basic requirements... 4  4 Technical requirements... 4  5 Others... 7  Annex A Preparation of water extraction test solution... 8  Annex B Migration test pretreatment of filter paper for food contact... 10  Annex C Determination of 1,3-dichloro-2-propanol and 3-chloro-1,2-propanediol in water extract... 11  National Food Safety Standard - Food Contact Paper and Board Materials and Their Products 1 Scope This document is applicable to food contact paper and board materials and their products. 2 Terms and definitions 2.1 Food contact paper and board materials and their products Under normal conditions of use, various paper and board materials and products that have been or are expected to come into contact with food or food additives (hereinafter referred to as food), or whose components may be transferred to food, including waxed paper, silicone oiled paper and pulp molded products. 2.2 Pulp molded products Products that use pulp as the main raw material, according to the shape required by the product use, are made through shaping, molding, drying and other processes. 3 Basic requirements Food contact paper and board materials and their products shall comply with the provisions of GB 4806.1. 4 Technical requirements 4.1 Requirements for raw materials 4.1.1 The raw materials used in food contact paper and board materials and their products shall not cause harm to human health. Fiber raw materials shall be mainly plant fibers. The synthetic fiber raw materials contained shall meet the requirements of the corresponding national food safety standards. 4.1.2 The use of additives in food contact paper and board materials and their products shall comply with the provisions of GB 9685 and relevant announcements. Annex A Preparation of water extraction test solution A.1 Principle According to the intended use of food contact paper and board materials and their products, use cold or hot water at a certain temperature to extract the cut or shredded paper and board specimens. The obtained test solution is used for the determination of the target analyte. A.2 Reagents Water. NOTE. The water shall meet the requirements of the target analyte detection method. A.3 Instruments and equipment A.3.1 Balance. resolution is 0.01g. A.3.2 Stoppered Erlenmeyer flask. 500mL. A.3.3 Constant temperature water bath. accuracy is ± 2℃. A.3.4 Filter device. equipped with G4 glass sand core funnel and 500mL filter bottle. A.4 Specimen preparation Cut or shred the obtained paper and board samples into small pieces of about 1cm2.The specimen amount shall be at least the number of specimens required by the target analyte determination method × 10g. Wear clean gloves when preparing samples to avoid direct contact with the samples. A.5 Extraction A.5.1 Sample weighing Weigh 10g of specimen (accurate to 0.01g). When the test result is expressed in mg/dm2, it is necessary to measure the area of the paper and board corresponding to the 10g of specimen taken. The sample weight can be increased as needed but shall not exceed 20g. A.5.2 Hot water extraction When the temperature of the product expected to contact food exceeds 40°C, place the specimen in a stoppered conical flask. Add 200mL of boiling water. Cover with the Annex C Determination of 1,3-dichloro-2-propanol and 3-chloro-1,2-propanediol in water extract C.1 Principle The aqueous extracts of paper and board samples prepared in accordance with Annex A are purified by diatomaceous earth solid phase extraction cartridge. Use ethyl acetate for elution. The eluate is concentrated and derivatized with heptafluorobutyrylimidazole. Use gas chromatography-mass spectrometry to detect. Use peak area internal standard method for quantification. C.2 Reagents and materials Unless otherwise stated, the reagents used are analytically pure; the water is grade one water specified in GB/T 6682. C.2.1 Reagents C.2.1.1 Hexane (C6H14). chromatographically pure. C.2.1.2 Ethyl acetate (C4H8O2). C.2.1.3 Sodium chloride (NaCl). C.2.1.4 Anhydrous sodium sulfate (Na2SO4). C. 2.1.5 Heptafluorobutyrylimidazole (C7H3F7N2O, CAS No.. 32477-35-3). C.2.2 Reagent preparation Sodium chloride solution (20%, mass fraction). Weigh 20g of sodium chloride. Add 80mL of water to make sodium chloride completely dissolved. Mix well. C.2.3 Standard product C.2.3.1 1,3-dichloro-2-propanol (C3H6Cl2O, CAS No.. 96-23-1, English abbreviation. 1,3-DCP). The purity is ≥98%, or the reference material certified by the state and granted the certificate of reference material. C.2.3.2 3-chloro-1,2-propanediol (C3H7ClO2, CAS No.. 96-24-2, English abbreviation. 3-MCPD). The purity is ≥98%, or the reference material certified by the state and granted the certificate of reference material. C.2.3.3 1,3-dichloro-2-propanol-D5 (C3HCl2OD5, CAS No.. 1173020-20-6, English abbreviation. 1,3-DCP-D5). The purity is ≥98%, or the reference material certified by the state and granted the certificate of reference material. C.2.3.4 3-chloro-1,2-propanediol-D5 (C3H2ClO2D5, CAS No.. 342611-01-2, English abbreviation. 3-MCPD-D5). The purity is ≥98%, or the reference material certified by the state and granted the certificate of reference material. C.2.4 Preparation of standard solution C.2.4.1 Chloropropanol mixed standard stock solution (1000mg/L). Respectively weigh 50mg of 1,3-DCP (C.2.3.1) and 3-MCPD (C.2.3.2) standard products (accurate to 0.1mg). Use ethyl acetate to dissolve. Transfer to a 50mL volumetric flask. Use ethyl acetate to set volume to the scale. Seal and store at 0℃~4℃. Shelf life is 6 months. C.2.4.2 Chloropropanol mixed standard intermediate solution 1 (10mg/L). Accurately pipette 0.1mL of chloropropanol mixed standard stock solution (C.2.4.1) in a 10mL volumetric flask. Use ethyl acetate to set volume to the scale. Seal and store at 0℃~ 4℃. Shelf life is 3 months. C.2.4.3 Chloropropanol mixed standard intermediate solution 2 (1.0mg/L). Pipette 1mL of chloropropanol mixed standard intermediate solution 1 (C.2.4.2) in a 10mL volumetric flask. Use ethyl acetate to set volume to the scale. Seal and store at 0℃~ 4℃. Shelf life is 3 months. C.2.4.4 Chloropropanol mixed internal-standard standard stock solution (1000mg/L). Accurately and respectively pipette 5mg of 1,3-DCP-D5 (C.2.3.3) and 3-MCPD-D5 (C.2.3.4) standard products (accurate to 0.01mg). Use ethyl acetate to dissolve. Transfer to a 5mL volumetric flask. Use ethyl acetate to set volume to the scale. Seal and store at 0℃~4℃. Shelf life is 6 months. C.2.4.5 Chloropropanol mixed internal-standard standard intermediate solution (10mg/L). Accurately pipette 0.1mL of chloropropanol mixed internal-standard standard stock solution (C.2.4.4) in a 10mL volumetric flask. Use ethyl acetate to set volume to the scale. Seal and store at 0℃~4℃. Shelf life is 3 months. C.2.4.6 Standard working solution. Take five 30mL test tubes. Respectively add 5.00mL of water. Accurately add 0.05mL of chloropropanol mixed standard intermediate solution 2 (C.2.4.3) as well as 0.01mL, 0.025mL, 0.05mL, 0.1mL of chloropropanol mixed standard intermediate solution 1 (C.2.4.2) in the test tubes. Obtain standard working solutions of which the chloropropanol concentration is 10.0μg/L, 20.0μg/L, 50.0μg/L, 100μg/L, 200μg/L, respectively. Prepare the standard working solution when it is needed. Take all out and pretreat them according to C.4.1. C.3 Instruments and equipment C.3.1 Gas chromatography-mass spectrometer with EI source. C.3.2 Analytical balance. Resolution is 0.0001g and 0.00001g. C.3.3 Micro syringes. 0.1mL, 1mL and 5mL. C.3.4 Vortex mixer. C.3.5 Nitrogen concentrator. C.3.6 Nylon microporous membrane. Pore size is 0.22μm. C.3.7 Diatomite solid phase extraction cartridge. Filler mass is 5g. Column capacity is 5mL. C.3.8 Incubator or another thermostatic heater. C.4 Analysis steps C.4.1 Specimen pretreatment C.4.1.1 Specimen purification Accurately pipette 5.00mL of water extract prepared according to Annex A into a test tube. Accurately add 0.05mL of chloropropanol mixed internal-standard standard intermediate solution (C.2.4.5). Then add 1g of sodium chloride. Dissolve completely. Use diatomaceous earth solid phase extraction cartridge. Equilibrate for 10min. Elute with 18mL of ethyl acetate. Collect the eluate in a test tube for processing. C.4.1.2 Eluent treatment Add 4g of anhydrous sodium sulfate to a test tube. Place still for 10min. Use a funnel to filter into another test tube. Concentrate to near dryness (about 0.5mL; do not concentrate to complete dryness) in a 45°C water bath with nitrogen blowing. Then add 2mL of n-hexane to dissolve. Transfer to a 10mL colorimetric tube for derivatization. C.4.1.3 Derivatization Quickly add 0.04mL of heptafluorobutyrylimidazole to the solution. Immediately cover with the glass stopper. Vortex for 30s. Incubate at 70°C for 30min. Take out and cool to room temperature. Add 2mL of sodium chloride solution. Vortex for 1min. Set aside to separate the aqueous phase and the n-hexane phase. Separate the n-hexane layer. Add about 0.3g of anhydrous sodium sulfate for drying. Use 0.22μm nylon filter to filter for testing. C.4.2 Preparation of blank specimen Without adding the sample, conduct water extraction test according to Annex A. Pretreat it according to C.4.1. C.4.3 Determination C.4.3.1 Gas chromatography-mass spectrometry reference conditions ......


GB 4806.8-2016 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA National food safety standard -- Food contact paper and board materials and their products ISSUED ON. OCTOBER 19, 2016 IMPLEMENTED ON. APRIL 19, 2017 Issued by. National Health and Family Planning Commission of the PRC Table of contents Foreword ... 3  1 Scope ... 4  2 Terms and definitions ... 4  3 Basic requirements ... 4  4 Technical requirements ... 4  5 Others ... 6  Appendix A Preparation of water extraction test solution ... 8  Appendix B Pretreatment of food filter paper for migration test ... 10  National food safety standard -- Food contact paper and board materials and their products 1 Scope This standard applies to food contact paper and board materials and their products. This standard does not apply to the food contact materials and products made from renewable cellulose film (cellophane). 2 Terms and definitions 2.1 Food contact paper and board materials and their products It refers to, under the conditions of normal or foreseeable use, all kinds of paper and board materials and their products expected to contact with food, including waxed paper, pulp molding products and food processing and cooking paper. 2.2 Pulp molding products It refers to the products formed through such three-dimensional paper making technologies as molding of the main raw material of pulp in accordance with the shapes as required for product purposes. 3 Basic requirements Food contact paper and board materials and their products shall comply with the provisions of GB 4806.1. 4 Technical requirements 4.1 Raw material requirements 4.1.1 The raw materials used for the food contact materials and board materials and their products shall not be harmful to human health. Fiber raw materials shall be based on plant fiber, AND the synthetic fiber raw materials contained shall comply with the requirements of GB 4806.6. Appendix A Preparation of water extraction test solution A.1 Principles Depending on the intended use of paper and board materials and their products, USE the cold water or hot water of certain temperature to extract the cut or teared sample, AND the test solution obtained is used for the determination of the target analyte. A.2 Reagent Water. Note. The water quality is determined in accordance with the determination method of the target analyte. A.3 Instruments and equipment a) Balance, with the sensitivity of 0.01 g. b) Triangular flask with cap, 500 mL. c) Constant temperature water bath, which can control the temperature in the range of 80 °C ± 2 °C. d) Filtration device, with G4 glass sand core funnel and 500 mL filter bottle. A.4 Sample preparation MAKE the obtained paper and board sample into small pieces of about 1 cm2, AND the quantity of sample shall be at least the number of samples required by the target analyte determination method x 10. It shall wear clean gloves during sample preparation to avoid hands from directly contacting sample. A.5 Extraction A.5.1 Sample weighing WEIGH 10 g ± 0.1 g of the sample, accurate to 0.01 g. If necessary, INCREASE the amount of sample, BUT it shall be not more than two times. A.5.2 Hot water extraction ......

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