GB 4806.12-2022 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB 4806.12-2022 | English | 170 |
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GB 4806.12-2022: National food safety standard - Bamboo and wood materials and products for food contact
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB4806.12-2022
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
National food safety standard - Bamboo and wood
materials and products for food contact
Issued on. JUNE 30, 2022
Implemented on. DECEMBER 30, 2022
Issued by. National Health Commission of the PRC;
State Administration for Market Regulation.
Table of Contents
1 Scope... 3
2 Terms and definitions... 3
3 Basic requirements... 3
4 Technical requirements... 3
5 Other... 5
Appendix A Determination of sulfur dioxide migration in bamboo and wood materials
and products for food contact... 6
Appendix B Determination of thiabendazole, o-Phenylphenol, imazalil and biphenyl in
bamboo and wood materials and products for food contact... 10
National food safety standard - Bamboo and wood materials
and products for food contact
1 Scope
This Standard applies to bamboo and wood materials and products for food contact.
2 Terms and definitions
2.1 Bamboo and wood materials and products for food contact
A variety of materials and products made of bamboo, wood or cork wood that have been
or are expected to come into contact with food or food additives (hereinafter referred to
as food) under normal conditions of use,
3 Basic requirements
Bamboo and wood materials and products for food contact shall comply with the
provisions of GB 4806.1.
4 Technical requirements
4.1 Raw material requirements
4.1.1 The raw materials used in bamboo and wood materials and products for food
contact shall not cause harm to human health.
4.2 Sensory requirements
Sensory requirements shall meet the requirements of Table 1.
4.3 Physical and chemical indicators
4.3.1 General physical and chemical indicators
General physical and chemical indicators shall comply with the provisions of Table 2
and Table 3.
4.3.2 Other physical and chemical indicators
Bamboo and wood materials and products for food contact shall comply with the
provisions of GB 9685 and related announcements on physical and chemical indicators
of oils, waxes and other additives, such as specific migration limit (SML), specific total
migration limit [SML(T)] and maximum residue limit (QM).
4.4 Microbial limit
Microorganisms of bamboo and wood materials and products, which are expected to
come into direct contact with food and are used directly without disinfection or cleaning,
shall comply with the provisions of GB 14934.
4.5 Other technical requirements
Bamboo and wood materials and products for food contact, which use materials such
as coatings, inks, and/or adhesives, etc., shall also comply with the corresponding
national food safety standards for coatings, inks, and/or adhesives.
5 Other
5.1 Migration test
Migration test shall be carried out in accordance with the provisions of GB 31604.1 and
GB 5009.156, unless there are special provisions in this Standard.
5.2 Label identification
Label identification shall comply with the provisions of GB 4806.1.
Appendix A
Determination of sulfur dioxide migration in bamboo and wood materials and
products for food contact
A.1 Principle
Select water as the food simulant. The specimen is subjected to migration test. The
sulfur dioxide in the specimen migrates to the water. In a closed device, acidify and
distill the test solution, to release the sulfur dioxide therein.
A.2 Reagents and materials
Carry out in accordance with Clause 3 of GB 31604.32-2016 first method (titration
method).
A.3 Instruments and equipment
Carry out in accordance with Clause 4 of GB 31604.32-2016 first method (titration
method); in which the iodine volumetric flask is changed to a pear-shaped flask; the all-
glass distillation device is shown in Figure A.1.
A.4 Analytical procedure
A.5 Results and presentation
The migration of sulfur dioxide in the specimen is calculated according to formula (A.1).
A.6 Precision
When the amount of sulfur dioxide migration is not higher than 5 mg/kg, the absolute
difference between two independent test results obtained under repeatability conditions
must not exceed 20% of the arithmetic mean.
A.7 Other
The limit of quantification for the migration of sulfur dioxide in food simulant in this
method is 1.0 mg/kg.
Appendix B
Determination of thiabendazole, o-Phenylphenol, imazalil and biphenyl in
bamboo and wood materials and products for food contact
B.1 Principle
Take a representative sample; after crushing, use methanol to extract; rotary evaporate
to dryness. Use methanol to make up to volume; after filtering, use high-performance
liquid chromatograph equipped with diode array detector or UV detector for detection;
use external standard method to quantify.
B.2 Reagents and materials
B.3 Instruments and equipment
B.4 Analytical procedure
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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