goldfever007
Active member
- Joined
- Mar 22, 2018
- Messages
- 39
Dear folks:
I used to use hydrazine hydrate 80% to precipitate my gold from dirty solution, but now i can only find 32% Hydrazine hydrate in my local store.
Can anyone help me and show me how to concentrate the solution from 32% to only 65%...?
Thanks guys
I used to use hydrazine hydrate 80% to precipitate my gold from dirty solution, but now i can only find 32% Hydrazine hydrate in my local store.
Can anyone help me and show me how to concentrate the solution from 32% to only 65%...?
Thanks guys