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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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