FOOD GRADE DIPOTASSIUM PHOSPHATE TRIHYDRATE
一、化学名: 食品级三水磷酸氢二钾
二、分子式: K2HPO4· 3H2O
三、分子量: 228.18
四、CAS: 6788-57-1
五、性能: 无色或白色正方晶体粉末或颗粒,易潮解,呈碱性,不溶于乙醇,1﹪水溶液的PH值约为9。
六、用途: 在食品工业中作缓冲剂、螯合剂、酵母食料、乳化盐、增效剂。
七、包装: 内衬聚乙烯塑料袋,外套复合塑料编织袋包装,每袋净重25千克。
八、贮存与运输: 本品应贮存在干燥通风清洁的库房中,装载运输时要轻装轻放,防止包装破损,防止受潮、受热,运输过程中防止雨淋受潮,应与有毒物品隔离。
1. Chemical Name: Dipotassium phosphate
2. Molecular Formula: K2HPO4,K2HPO4· 3H2O
3. Molecular Weight: anhydrous: 174.18; trihydrate: 228.18
4. CAS: anhydrous: 7758-11-4; trihydrate: 16788-57-1
5. Character: It’s colorless or white square crystal granule, easily deliquescent, alkaline, insoluble in ethanol. PH value is about 9 in 1% aqueous solution.
6. Uses: In food industry, it is used as buffering agent, chelating agent, yeast food, emulsifying salt, synergistic agent of anti-oxidation.
7. Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
8.Storage & Transportation: It should be stored in a dry and ventilating warehouse. Be cautious to keep away from moisture and hot; unloaded with care, so as to avoid the damage. Furthermore, it should be stored separately from poisonous substances.
食品级三水磷酸氢二钾质量指标:
质量指标 | Specification | GB25561-2010 | FCC V | |
含量(干基计),w% ≥ | Content(Dry Basis) | 98 | 98 | |
砷(As),mg/Kg ≤ | Arsenic | 3 | 3 | |
氟化物(以F计),mg/Kg ≤ | Fluoride | 10 | 10 | |
重金属(以Pb计),mg/Kg ≤ | Heavy metals | 10 | ---------- | |
水不溶物, w% ≤ | Water Insolubles | 0.2 | 0.2 | |
铅(Pb),mg/Kg ≤ | Lead | 2 | 2 | |
干燥失重,w% | 无水物 ≤ | Loss on drying | 2.0 | 2.0 |
三水物 | 20.0-30.0 | 20.0-30.0 | ||
pH值,(10g/L溶液) | pH Value | 9.0±0.4 | ---------- |
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