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      名稱:純堿

      化學名:碳酸鈉

      英文:Sodium Carbonate, soda ash

      分子式:NaHCO3

      分子量:84.01

      CAS號:144-55-8

      標準:USP/BP

       


                                                                                                 化學指標                                                                                                        

       

      項目 指標 測試值
      總堿量:(以Na2CO3計),% ≥ 99.2 99.7
      水不溶物:%  ≤ 0.03 0.001
      砷:% ≤ 2.0 通過
      鐵含量,%  ≤ 0.0035 0.0027
      重金屬:(以Pb計)含量,% ≤

      10 ppm

      通過
      銨鹽含量 通過測試  
      澄清度 通過測試  
      CL離子含量,% ≤ 0.7 0.01

       

       

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