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Chemistry / Re: What happens during electrolysis of salt water with gold and copper electrodes?
« on: 06/03/2019 03:11:04 »
My Target is try to produce gold nanoparticles of different sizes using different reducing agent, with the electrochemical method and not turkevich method.
I prefer to use salt as electrolyte and not other form of chloride because of sodium, I think it will help to avoid gold ions moving to copper cathode, binding them to chloride.
I think an increase of salt is not usefull because when I will reduce gold chloride, if the gold particle concentration is too high, the particles will form too big clusters.
My target is a 40 ppm concentration of particles.
Relative to voltage I thought it must be better to produce gold chloride...is it not so in your opinion?
When possible my target is have in soLuton only gold chloride and sodium hydroxide.
Which are the better electrolysis parameters?
I prefer to use salt as electrolyte and not other form of chloride because of sodium, I think it will help to avoid gold ions moving to copper cathode, binding them to chloride.
I think an increase of salt is not usefull because when I will reduce gold chloride, if the gold particle concentration is too high, the particles will form too big clusters.
My target is a 40 ppm concentration of particles.
Relative to voltage I thought it must be better to produce gold chloride...is it not so in your opinion?
When possible my target is have in soLuton only gold chloride and sodium hydroxide.
Which are the better electrolysis parameters?