【7440-05-3】

品级Grade                        I                  II
主金属钯含量（%）             ≥99.99              99.95
杂质含量不大于（%）
Pt                            0.003                0.02
Rh                            0.002                0.02
Ir                            0.002                0.02
Ru                            0.003                0.02
Au                            0.002                0.01
Ag                            0.001                0.005
Cu                            0.001                0.005
Fe                            0.001                0.005
Ni                            0.001                0.005
Al                            0.003                0.005
Pb                            0.002                0.005
Mn                            0.002                0.005
Cr                            0.002                0.005
Mg                            0.002                0.005
Sn                            0.002                0.005
Si                            0.003                0.005
Zn                            0.002                0.005
Bi                            0.002                0.005
杂质总量不大于（%）           0.01                 0.05

备注：钯含量为百分之百减去表中所列杂质总量的余量。

高纯海绵钯：
          
主金属钯含量（%）             99.999
杂质含量不大于（%）        
Pt                            0.0001        
Rh                            0.0001        
Ir                            0.0002        
Au                            0.0001        
Ag                            0.0001        
Cu                            0.0001      
Fe                            0.0001        
Ni                            0.0001        
Pb                            0.0001        
杂质总量不大于（%）           0.001