GB 1886.300-2018 Translated English of Chinese Standard (GB 1886.300-2018, GB1886.300-2018): National food safety standard -- Food additive ion exchange resinhttps://www.chinesestandard.net, 2023. 8. 1. - 10페이지 This standard applies to food additive ion exchange resins. |
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A.5 in Appendix acetic acid solution Add 2 mL add 3 drops Analytical procedures anion cation exchange resin cobalt nitrite solution constant weight Determination of total dilute acetic acid dilute nitric acid exchange column exchange resin Take experimental water filter paper flow rate Food additives functional group glass chromatography tube Hydrochloric acid solution Identification test impregnated with experimental indicators shall meet inner diameter Inspection methods ion exchange resin less than 0.5 liter mg/L Methyl orange test milligrams per liter mL of dilute mL of sodium mL of water mL/h nitric acid solution orange test solution organic carbon TOC Performance indicators Phenolphthalein test solution Physical-chemical indicators Reagents and materials requirements in Table Rinsing test equipment Sensory requirements sodium cobalt nitrite sodium hydroxide solution solid content specimen sulfuric acid solution Take 5 mL total exchange capacity total organic carbon upper clear solution washing solution water to flow water to wash weigh 10 g