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GB 1886.313-2020 PDF in English
GB 1886.313-2020 (GB1886.313-2020) PDF English
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GB 1886.313-2020
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National food safety standard - Food additive - Diphenyl ethers
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Standards related to (historical):
GB 1886.313-2020
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GB 1886.313-2020: PDF in English
GB 1886.313-2020 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA National Food Safety Standard - Food Additive - Diphenyl Ethers ISSUED ON: SEPTEMBER 11, 2020 IMPLEMENTED ON: MARCH 11, 2021 Issued by: National Health Commission of the PRC; State Administration for Market Regulation. Table of Contents 1 Scope ... 3 2 Molecular Formula, Structural Formula, and Relative Molecular Mass ... 3 3 Technical Requirements ... 3 Appendix A Test Methods ... 5 Appendix B Infrared Absorption Spectrum of Diphenyl Ether ... 6 National Food Safety Standard - Food Additive - Diphenyl Ethers 1 Scope This Standard is applicable to the food additive of diphenyl ether made from phenol and chlorobenzene. 2 Molecular Formula, Structural Formula, and Relative Molecular Mass 2.1 Molecular formula C12H10O 2.2 Structural formula 2.3 Relative molecular mass 170.21 (according to 2018 international relative atomic mass) 3 Technical Requirements 3.1 Sensory requirements The sensory requirements shall comply with the provisions of Table 1. Table 1 -- Sensory Requirements Appendix A Test Methods A.1 General rules Unless otherwise specified in this Standard, the purity of the used reagents shall be above the analytical purity; and the standard solutions, formulations, and products for the determination of the used standard titration solutions and impurities shall be prepared according to the provisions of GB/T 601, GB/T 602, and GB/T 603. The test water shall comply with the provisions of Class-III water specified in GB/T 6682. The solution used in the test refers to an aqueous solution when it is not specified which solvent is used for preparation. A.2 Identification test Use attenuated total reflection infrared spectroscopy (ATR method) to measure the infrared absorption spectrum in accordance with GB/T 6040; the measured infrared spectrum shall be consistent with the standard diphenyl ether spectrum (see Appendix B).
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Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.