主含量(%)：35.0 其中含量Ir⁺⁴大于98%
技术条件：原料纯度﹥99.95．杂质含量合格

稀盐酸溶解试验                          无肉眼可见不溶物
杂质含量（%）:
Ag                                       ≤0.005  
Au                                       ≤0.005
Pd                                       ≤0.005
Pt                                        ≤0.01
Rh                                       ≤0.01
Ca                                       ≤0.01
Fe                                       ≤0.01
Na                                       ≤0.01
Pb                                       ≤0.005  
Ni                                        ≤0.005  
Cu                                      ≤0.005  
Al                                        ≤0.005  
Mg                                      ≤0.005  
Mn                                      ≤0.005

氯铱酸有机溶液（特用）

铱含量, % 30-35%
C.A.S.No 16941-92-7
外 观 深棕色液体
总杂质 ≤0.5g/L