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食品级磷酸氢二钾
 饲料级、食品级、医药级、试剂级

磷酸氢二钾   DIPOTASSIUM PHOSPHATE

一、化学名: 磷酸氢二钾

二、分子式: K2HPO4,K2HPO4· 3H2O

三、分子量: 无水物:174.18;三水物:228.18

四、CAS:  无水物:7758-11-4;三水物:16788-57-1

五、性状: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、抗氧化增效剂。

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25kg。

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。

 

质量指标 Specification GB 25561-2010 FCC VII
含量(干基计),w%       ≥ Content(Dry Basis), w%     ≥ 98 98
砷(As),mg/kg         ≤ Arsenic(As), mg/Kg       ≤ 3 3
氟化物(以F计),mg/kg Fluoride,mg/Kg         10 10
重金属(以Pb计),mg/kg   Heavy Metals (Pb), mg/Kg       10 ————
水不溶物, w%          ≤ Insoluble Substances, w%       ≤ 0.2 0.2
铅(Pb),mg/kg         ≤ Lead (Pb), mg/Kg             ≤ 2 2
干燥减量, w% 无水物  ≤ Loss on drying, w% Anhydrous ≤ 2.0 2.0
三水物 Trihydrate 20.0-30.0 ————
pH值,(10g/L溶液) pH Value  (10g/L) 9.0±0.4 ————

 

Chemical Name: Dipotassium Phosphate

Molecular Formula:K2HPO4,K2HPO4· 3H2O

Molecular Weight:Anhydrous: 174.18; Trihydrate: 228.18

CAS: Anhydrous: 7758-11-4; Trihydrate: 16788-57-1

Character:It’s colorless or white square crystal granule or powder, easily deliquescent, alkaline, insoluble in ethanol. pH value is about 9 in 1% aqueous solution.

Usage:In food industry, it is used as buffering agent, chelating agent, yeast food, emulsifying salt, synergistic agent of anti-oxidation.

Packing:It is packed with a polyethylene bag as the inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.

Storage & Transportation: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.

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