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无水磷酸氢二钾重质 | 江苏科伦多食品配料有限公司-b体育登录入口app

产品描述/ product description

一、化学名:磷酸氢二钾

二、分子式:k2hpo4 ;k2hpo4·3h2o

三、分子量:无水物:174.178;三水物:228.238

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。具有吸湿性。

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 1886.334-2021 fcc vii
含量(以干基计),w/%     ≥ content(on dry basis), w/%      ≥ 98.0 98.0
砷(as),mg/kg           ≤ arsenic(as),mg/kg             ≤ 3.0 3.0
氟化物(以f计),mg/kg    ≤ fluoride(as f),mg/kg           ≤ 10.0 10.0
重金属(以pb计),mg/kg   ≤ heavy metal(as pb),mg/kg       ≤ 10 ———
水不溶物(以干基计),w/%  ≤ insoluble substances(on dry basis),w/% 0.2 0.2
铅(pb),mg/kg            lead (pb),mg/kg              ≤ 2.0 2.0
干燥减量,w/% k2hpo4  ≤ loss on drying,w/%  k2hpo4       ≤ 2.0 2.0
k2hpo4·h2o loss on drying,w/%  k2hpo4·h2o 22.0-26.0 ———
ph值(10g/l溶液) ph value (10g/l solution ) 9.0±0.4 ———

1chemical name: dipotassium phosphate

2molecular formula: k2hpo4 ; k2hpo4· 3h2o

3molecular weight: anhydrous:174.178 ; trihydrate:228.238

4cas: anhydrous:7758-11-4 ; trihydrate:16788-57-1

5character: 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.

6usage: in food industry, it is used as buffering agent, chelating agent, yeast food, emulsifying salt, synergistic agent of anti-oxidation.

7packing: 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.

8storage & 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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