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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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