Cas号7440-16-6分子式Rh分子量102.91别名铑黑Rhodiumblack品级GradeIIIIII主金属含量（%）99.9999.9599.9杂质含量不大于（%）Pt0.0030.020.03Pd0.0010.010.03Ir0.0030.020.03Ru0.0030.020.05Au0.0010.020.05Ag0.0010.0050.01Cu0.0010.0050.01Fe0.0020.0050.02Ni0.0010.0050.01Al0.0030.0050.01Pb0.0010.0050.01Mn0.0020.0050.01Mg0.0020.0050.01Sn0.0010.0050.01Si0.0030.0050.01Zn0.0020.0050.01杂质总量不大于（%）0.010.050.10)