本工作采用不称准样和不准确稀释的可变浓度的ICP-AES法,测定了PtIr_(5·30),PdIr_(5·30)系列合金中的次成分Ir和十二个杂质元素。Pt基和Pd基对待测元素的影响,采用等效浓度差减法进行校正。方法简便、快速、准确,并能节省大量的铂和钯。 In this work, ICP-AES with variable concentration, which is not accurate and inaccurate dilution, was used to determine Ir and twelve impurity elements in the PtIr_ (5.30) and Pd_r_ (5.30) alloys. The effects of Pt groups and Pd groups on the elements to be measured were corrected using the equivalent concentration subtraction method. The method is simple, fast, accurate and can save a lot of platinum and palladium.