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      焦磷酸二氢二钠

      2016/6/12 阅读?#38382;?span id="hitshow">3289
      焦磷酸二氢二钠分子式:Na2H2P2O7
      焦磷酸二氢二钠分子量:221.94
      焦磷酸二氢二钠?#38405;埽?#30333;色粉末,相对密度1.86,有吸湿性,溶于水,不溶于乙醇,水溶液呈酸性,1%水溶液pH为3.7—5.0,可与Fe2+,Mg2+形成螯合物,用作膨松剂时可含有适量的铝盐和/或钙盐碱以控?#21697;?#24212;速率。
      焦磷酸二氢二钠用 途: 在食品中起缓冲剂,发酵剂,改良剂,乳化剂,营养剂,罐头防腐剂等作用。
      焦磷酸二氢二钠包 装?#21644;?#34955;为编织袋或牛皮纸袋,内衬聚乙烯塑料袋,每袋净重25kg。





       
      指标名称 Name of index   FCC-V

       

      E450(i)

       

      外观 Description   White powder or grains
        Identification   Pass test
      含量 Assay % 93.0-100.5> ≥95.0
      pH值 1%水溶液 H of a 1 % solution   -- 3.7-5.0>

      P2O5含量(干基计)

      P2O5 Content(ignited basis)

      %

      --

      63.0-64.5

      水不溶物

      Water insoluble

      ≤%

      1

      1

      Fluoride

      ≤%

      0.005

      0.001(expressed as fluorine)

      干燥失重

      Loss on drying

      ≤%

      --

      0.5(105℃,4h)

      As

      ≤mg/kg

      3

      1

      Cadmium

      ≤mg/kg

      --

      1

      Mercury

      ≤mg/kg

      --

      1

      Lead

      ≤mg/kg

      2

      1

      Aluminium

      ≤mg/kg

      --

      200


      树人科创食品添加剂

      树人科创食品添加剂

      树人科创食品添加剂

      树人科创食品添加剂

      树人科创食品添加剂

      树人科创食品添加剂




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