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Few questions about Gold recovery
Google saying that this yellow - orange precipitate is CuOH.
[Edited on 20-6-2021 by Romix] |
20-6-2021 at 13:55
by: Romix |
Few questions about Gold recovery
It took few seconds for all of it to dissolve, reaction was exothermic. |
18-6-2021 at 03:28
by: Romix |
Few questions about Gold recovery
200ml lost, what to do with the rest of gold containing solution? |
18-6-2021 at 01:10
by: Romix |
Few questions about Gold recovery
Solution is green. |
18-6-2021 at 01:05
by: Romix |
Few questions about Gold recovery
Added nitric all dissolved!!!!!! No gold left!!!!
[Edited on 18-6-2021 by Romix] |
18-6-2021 at 00:56
by: Romix |
Few questions about Gold recovery
After boiling it in water, solution became clearer! |
17-6-2021 at 22:38
by: Romix |
Few questions about Gold recovery
I tried boiling it in 3% nitric first... but after an hour nothing happened.
So chucked in very di ... |
17-6-2021 at 17:33
by: Romix |
Few questions about Gold recovery
That's how pure gold looks like, dropped it from dissolved Alaskan nuggets.
[Edited on 17-6-2021 ... |
17-6-2021 at 13:39
by: Romix |
Few questions about Gold recovery
Could be, I dissolved 8 ceramic processors + a lot of other gold containing scrap. Here's just 200ml ... |
17-6-2021 at 13:38
by: Romix |
Few questions about Gold recovery
And after dropping the Gold with Sodium Sulfite, I added KOH to the solution that's what precipitate ... |
17-6-2021 at 12:11
by: Romix |
Few questions about Gold recovery
No matter how much I wash it, solution still dirty. Why ?
[file]89063[/file] |
17-6-2021 at 12:09
by: Romix |
Few questions about Gold recovery
Here is gold after washing it with 20 litters of water. |
17-6-2021 at 12:08
by: Romix |
What to dissolve Stannic acid with?
[rquote=661099&tid=157546&author=zinc finger]Either with lye as stannate, large amounts of h ... |
2-6-2021 at 08:59
by: Romix |
What to dissolve Stannic acid with?
What to dissolve Stannic acid with?
|
31-5-2021 at 19:36
by: Romix |
Extracting Stevioside from Stevia
What I noticed about Stevia, that bugs only appearing on a leaves that are close to lamp, the ones a ... |
23-5-2021 at 07:25
by: Romix |
Ceramic processor in AR
[rquote=660598&tid=157503&author=Texium]Filter, dry, and weigh it. Sometimes precipitates ar ... |
23-5-2021 at 05:32
by: Romix |
Ceramic processor in AR
This precipitate is just from washing a filter, after everything went through, there couldn't be tha ... |
23-5-2021 at 02:56
by: Romix |
Ceramic processor in AR
Boiled 3 ceramic processors in AR.
On addition of sodium sulfite to the solution.
Lots of blood ... |
23-5-2021 at 02:42
by: Romix |
How to dry recrystallized KNO3?
Yes, same symbol, thanks. |
22-5-2021 at 18:19
by: Romix |
How to dry recrystallized KNO3?
Pack they've been delivered to me in, have labels saying that it's flammable, is it safe to dry it i ... |
22-5-2021 at 17:48
by: Romix |
How to dry recrystallized KNO3?
Thanks for your reply, yes I have large needle-shaped crystals.
[rquote=660575&tid=157502& ... |
22-5-2021 at 17:46
by: Romix |
How to dry recrystallized KNO3?
Want to drop copper from nitrate with Potassium Carbonate. And then recrystallize KNO3 and feed it t ... |
22-5-2021 at 17:23
by: Romix |
How to dry recrystallized KNO3?
Heating it in a beaker, it melts. And I think it sucks moisture from the air. |
22-5-2021 at 17:15
by: Romix |
Why does gold turn gray
https://www.youtube.com/watch?v=r3cZrHwfCHk |
20-5-2021 at 04:37
by: Romix |
Why does gold turn gray
Sometimes gold plated PCBs turn gray in acetic acid, and also coppery colored.
Also saw this happen ... |
20-5-2021 at 04:02
by: Romix |
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