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利用硝酸钯加热水解的特性，将银铜钯合金中的钯溶解并富集为水合氧化耙，用二氯二氨络亚钯法回收提纯钯，钯直收率达９２．８％，回收率达９８．４％。新工艺流程短，试剂消耗少，成本低。
Palladium nitrate silver palladium was dissolved and enriched into hydrous oxidation rake by using the characteristics of heating and hydrolysis of palladium nitrate. The purified palladium was recovered by dichlorodiammine sub-palladium method. The recovery rate of palladium was 92.8% Up to 98.4%. New process is short, less reagent consumption, low cost.