- Joined
- Jun 12, 2022
- Messages
- 82
- Reaction score
- 32
- Points
- 8
Proč má po extrakci petroletherem volná báze amfetaminu ph 8-9? Podaří se zvýšit ph na 13, když olej promyji vodným roztokem?
Our team brings together the best specialists from different fields.
We are ready to share our experience, discuss difficult issues and find new solutions.