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AR氯化钠

包装规格照片及说明:500g/瓶

执行标准:GB

用途:经高度精制的氯化钠可用来制生理食盐水,用于临床治疗和生理实验。

数量: - 1 +

项目Item                                                         优级纯             分析纯                 化学纯   

                                  (GR)                  (AR)                     (CP) 

含量(NaCl)Assay,%                                          ≥ 99.8               99.5                    99.5 

                                 ≤ 0.001            0.002                  0.005    

钾(K)Pitassium,%                                            ≤ 0.01               0.02                   0.04      

钙(Ca)Calcium,%                                            ≤ 0.002              0.005                 0.01      

亚铁氰化物(以Fe(CN)6计)Ferrocyanide,% 

                                ≤ 0.0001           0.0001                 --  

铁(Fe)Iron,%                                                      ≤ 0.0001           0.0002              0.0005   

砷(As)Arsenic,%                                               ≤ 0.00002         0.00005          0.0001   

钡(Ba)Barium,%                                                ≤ 0.001              0.001                0.001     

重金属(以Pb计)Heavy metals,%     

                                  ≤ 0.0005            0.0005             0.001     

水溶液反应water Soluti                 合格                    合格                 合格  

澄清度试验Clarty                                                合格                   合格                合格   

水不溶物Insiluble matter in water,%   

                                  ≤ 0.003                0.005               0.02      

干燥失重Drying loss,%                                  ≤ 0.2                      0.5                  0.5 

碘化物(I)Iodide,%                                           ≤ 0.001                  0.002            0.012       

溴化物(Br)Bromide,%                                   ≤ 0.005                  0.01               0.05     

S酸盐(SO4)Sulfate,%                                   ≤ 0.001                  0.002             0.005     

磷酸盐(PO4)Phosphate,%                            ≤ 0.0005                0.001               --     

氮化合物(N)Nitrogen,%                                ≤ 0.0005                 0.001          0.003    

镁(Mg)Magnesium compounds,%      

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