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Food additive potassium hydrogen phosphate
化學式： K2HPO4 .nH2O(N=0,3)
Chemical formula: K2HPO4 .nH2O(N=0,3)
分子量：228.22（n=3），174.17（n=0）
Molecular weight: 228.22 (n = 3), 174.17 (n = 0)
執行標準：GB 25561-2010
Executive standard ：GB 25561-2010
性狀：無色白色晶體或白色結晶性粉末。
Properties: colorless white crystal or white crystalline powder.
用途：主要在食品工業用于配制面食制品用堿水的原料，發酵用劑，調味劑，膨松劑，乳制品的溫和堿性劑，酵母食料。用作緩沖劑，螯合劑。
Application: it is mainly used in food industry to prepare raw material of alkaline water for pasta products, fermentation agent, seasoningagent, leavening agent, mild alkaline agent of dairy products, yeast food. Used as buffer and chelating agent.
包裝儲存：內塑外編或紙袋。25 公斤/袋。密封保存。
Packaging and storage: Plastic inside and woven outside or paper bag. 25 kg / bag. Sealed storage.
項 目 | Project | 無水物 食品級 Anhydrous substance | 三水合物食品級 Trihydrate food |
K2HPO4 .nH2O ω /% ≥ | K2HPO4 .nH2O ω /% ≥ | 98.0 | 98.0 |
P2O5 ω /% ≥ | P2O5 ω /% ≥ | 39.9 | 30.5 |
氧化鉀(K2O) ω /% ≥ | Potassium oxide (K2O) ω /% ≥ | 53.0 | 40.4 |
PH (10g/L 溶液) | PH (10g/L solution) | 9.0±0.4 | |
水不溶物 ω /% ≥ | Water insoluble matter ω/% ≤ | 0.2 | 0.2 |
砷(As) ω /% ≤ | Arsenic (As) ω /% ≤ | 0. 0003 | 0. 0003 |
鉛(Pb) ω /% ≤ | Lead (Pb) ω /% ≤ | 0.0002 | 0.0002 |
重金屬(以 Pb 計) ω /% ≤ | Heavy metals (as Pb) ω /% ≤ | 0. 001 | 0. 001 |
鐵(Fe) 3/% | Iron (FE) 3 /% | -- | -- |
氟化物(以 F 計) ω /% ≤ | Fluoride (in F) ω /% ≤ | 0. 001 | 0. 001 |
氯化物(以 5 計) ω /% ≤ | Chloride (calculated by 5) ω /% ≤ | -- | -- |
干燥減量 ω /% ≤ | Drying loss ω /% ≤ | 2.0 | -- |
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