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          無水磷酸氫二鉀輕質

          無水磷酸氫二鉀輕質

          產品描述/ Product Description

          一、化學名:磷酸氫二鉀

          二、分子式:K2HPO4?;K2HPO4·3H2O

          三、分子量:無水物:174.178;三水物:228.238

          四、CAS無水物:7758-11-4;三水物:16788-57-1

          五、性狀:無色或白色正方晶體粉末或顆粒,易潮解,呈堿性不溶于乙醇,1﹪水溶液的PH值約為9。具有吸濕性。

          六、用途:在食品工業中作緩沖劑、螯合劑、酵母食料、乳化鹽、抗氧化增效劑。

          七、包裝:內襯聚乙烯塑料袋,外套復合塑料編織袋包裝,每袋凈重25kg。

          八、貯存與運輸:本品應貯存在干燥通風清潔的庫房中,裝載運輸時要輕裝輕放,防止包裝破損,防止受潮、受熱,運輸過程中防止雨淋受潮,應與有毒物品隔離。

          質量指標 Specification GB 25561-2010 FCC VII
          含量(以干基計),w/%?????≥ Content(On dry basis), w/%??????≥ 98.0 98.0
          砷(As),mg/kg???????????≤ Arsenic(As),mg/kg?????????????≤ 3 3
          氟化物(以F計),mg/kg????≤ Fluoride(as F),mg/kg???????????≤ 10 10
          重金屬(以Pb計),mg/kg???≤ Heavy metal(as Pb),mg/kg ??????≤ 10 ————
          水不溶物,w/%???????????≤ Insoluble substances,w/%???????≤ 0.2 0.2
          鉛(Pb),mg/kg ?????????? Lead (Pb),mg/kg??????????????≤ 2 2
          干燥減量,w/% 無水物 ?≤ Loss on drying,w/%? Anhydrous≤ 2.0 2.0
          pH值(10g/L溶液) pH value?(10g/L?Solution ) 9.0±0.4 ————

          1、Chemical Name: Dipotassium Phosphate

          2、Molecular Formula:?K2HPO4?; K2HPO4· 3H2O

          3、Molecular Weight:?Anhydrous:174.178?; Trihydrate:228.238

          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.

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