GB 4806.12-2022 Translated English of Chinese Standard (GB4806.12-2022): National food safety standard - Bamboo and wood materials and products for food contact [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]This Standard applies to bamboo and wood materials and products for food contact. |
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absolute difference Acetonitrile actually in contact amount of sulfur Analytical procedure arithmetic mean bamboo and wood blank solution blank test solution CAS number chemical indicators concentration of thiabendazole contact shall comply contact with food detection wavelength detector or UV diagonal pliers diode array detector Equipped with diode Figure A.1 granted a reference high-performance liquid chromatograph imazalil and biphenyl imazalil or biphenyl independent test results iodine standard solution iodine standard titration mark and mix materials and products method titration method migration test milligrams milliliters mL mL of methanol mL volumetric flasks o-Phenylphenol obtained under repeatability Phosphoric acid physical and chemical products for food provisions of GB Purity is 98 reference material certificate repeatability conditions Respectively accurately PIPETTE Rotary evaporator Round-bottom flask sample Sensory requirements solution obtained specimen solution standard certified standard curve standard intermediate solution Standard stock standard titration solution standard working solution sulfur dioxide migration test results obtained wood materials