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        江蘇科倫多食品級磷酸氫二鉀

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        江蘇科倫多食品級磷酸氫二鉀

        發布日期:2017-03-02 17:21 來源:http://www.stacybennettauthor.com 點擊:

        磷酸氫二鉀   DIPOTASSIUM PHOSPHATE

         

        一、化學名: 磷酸氫二鉀

        二、分子式: K2HPO4,K2HPO4· 3H2O

        三、分子量: 無水物:174.18;三水物:228.18

        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。

        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(干基計),w%       ≥

        ContentDry Basis,   w%     ≥

        98

        98

        砷(As),mg/kg         ≤

        ArsenicAs), mg/Kg       ≤

        3

        3

        氟化物(以F計),mg/kg  

        Fluoride,mg/Kg       

        10

        10

        重金屬(以Pb),mg/kg 

        Heavy Metals (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

        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.


        相關標簽:食品級氯化鉀

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