是否有现货: | 是 | 认证: | Kosher,halal, fssc |
类型: | 正磷酸盐 | 种类: | 钾盐 |
形态: | 粉末状 | 等级标准: | 食品级 |
型号: | Halal,fssc22000,GMP | 规格: | GB,fccvii |
商标: | 科多 | 包装: | 25kg 袋 |
产量: | 20000 |
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 |
———— |
?
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 or powder, easily deliquescent, alkaline, insoluble in ethanol. pH value is about 9 in 1% aqueous solution.
6. Usage:??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 a polyethylene bag as the inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
8. 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.
上一条:江苏科伦多厂家直销磷酸氢二钾三水