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problem precipitating gold
I think the problem are: too much aqua regia, and too much nitric acid in aqua regia.
It's enough 3 ... |
15-11-2021 at 07:54
by: Calculon |
Preparation of cyanides
I still need time to do a lot of tests to improve the yield, the reaction is very simple but I think ... |
29-10-2021 at 15:48
by: Calculon |
Preparation of cyanides
My first crystals of potassium ferrocyanide.
By the KOH+urea method, in 3 steps.
[file]90698[ ... |
27-10-2021 at 13:23
by: Calculon |
Preparation of cyanides
Due to the low yield of the sodium carbonate, urea and carbon process I wanted to try the patent
ht ... |
20-11-2020 at 12:47
by: Calculon |
Preparation of cyanides
Someone tried the patent WO2016199944A1 ?
The method seems pretty simple, sodium carbonate + ure ... |
16-11-2020 at 18:42
by: Calculon |
