Hi everybody. I have a green palladium solution. I took a sample of it and I added a DMG and sodium hydroxide solution to the green pd solution. It precipitated green powder. I read in some forums that I should filtrate the powder and wash it with cold water until it gets yellow pdDMG powder. When I washed it it got white color. Am I doing something wronge? Or I didnt make the DMG solution correctly. I tested the green solution with Stannous chloride before and after adding DMG solution. Before it was positive after adding it got negative with the green precipitate. What should I do?
To see this working, head to your live site.
Search
Hi,
It sounds like you may have precipitated some hydoxides / oxides.
How much. DMG solution have you added? Is the leach solution still acidic?
Hi I made a 20ml DMG solution with 2grams DMG with 20ml water and I added like 15ml to the solution. Here is the precipitate I got. One friend told me to dissolve this precipitate in nitric acid and then dilute the solution and add SMB and a yellow palladuim precipitate will settpe but I am not sute should I do that?
This is not what Pd-DMG looks like. It is fluffy and and slightly orange. Your look green/blue heavy crystalline.
merhaba nitrik asitle çözülen materyalden SMB ile Pd çöktürme isleminin kimyasal denklemi nasıldır?bilen birisi cevaplarsa sevinirim. seyreltik nitrik asit solusyonu ile baz metalden kurtulmak isteriz."acaba çözümde altın var mıdır"deyip SMB eklediğimde,turuncu bir çökelti olusuyor bazen.yoksa bu Pd midir? merak ettim simdi!..
@Yakup Yazıcı Seyreltik nitrik çözeltiden SMB ile pd çökeltilirken sarı bir çökelti oluşmalıdır. SMB'yi eklemeden önce, altın çökeltisi bazen sarı olabileceğinden, pd veya altın olup olmadığını görmek için bir test yapın.
Yes and what do yoy advice me to do?
You can put a piece of clean copper and see if there's a black precipitae coating it. If so, it is indeed PGM of some sort. My guess is that it would get only very slightly discolored as there isn't much Pd in it.
Ok I already did that and I will let it for some days. But what if the precipitate do contain pd in it and there is no in the solution? Should I do tue SMB process?
Probably not the best idea.