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Seeking advice on the dissolution issue of palladium oxide (PdO)! ! ! Urgent. . . .

2010-11-15View Original

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Let me explain first: I have everything that Baidu offers. I want to know whether palladium oxide will dissolve in solutions of nitric acid, hydrochloric acid, or hydrogen peroxide Heating is also an option, as long as it can dissolve the substance. I hope experts can give some advice; those who don’t know anything should not speak rashly – let those in the field share their insights{:1_90:}. Or if anyone has detailed information on this topic, I would be extremely grateful if they could share it. . . . Below are some things related to Baidu; I hope they will deter those who are not familiar with it. Thank you! Palladium oxide Palladium oxide; palladium o*de Data: Molecular formula: PdO Properties: Black powder. It is very stable and insoluble in water, acids, and organic solvents. It begins to decompose at temperatures above 820°C, and complete decomposition occurs at 850–870°C. Palladium nitrate is obtained by pyrolysis in air. Used as the conductive phase in thick-film resistors. CAS No.: 1314-08-5. Palladium has stable properties; its color and appearance are similar to those of platinum, with a metallic luster. It has a melting point of 1555°C, a hardness of 4–4.5, and a relative density of 12; it is lighter than platinum and possesses good ductility, with a hardness slightly higher than that of platinum. It has relatively stable chemical properties; it is insoluble in organic acids, cold sulfuric acid, or hydrochloric acid, but soluble in nitric acid and aqua regia. Under normal conditions, it does not oxidize or lose its luster in air
Reply #22012-01-05
Palladium oxide is difficult to dissolve in aqua regia; it is generally reduced to palladium first before being dissolved. Just boil it in hydrazine hydrate.

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