Production Techniques and Chemistry > Colloidal Gold Production
1st attempt
Mjock3:
I tried to make a 250ml batch of colloidal gold today. Using the Gold chloride method. It did not turn out right. I went by the recipe listed on the site, however I added the gelatin to the mixture before heating. I ended up with just a lite pink. Is it because of adding the gelatin before bringing to a boil?
Thanks
Neofizz:
When ever I have used this method for colloidal gold production I always added the gelatin after the full ruby red colour was produced (after the heating was done). It's still hot enough to add the gelatin after to cap it.
Boiling more might finish the reduction but not really sure. It might be worth a try to save that cup full.
Mjock3:
Thank you for the reply Neofizz, I ended up adding a bit of Karo to it and reheating to boil. A nice ruby color came in, at that point I added more gelatin to cap. Phew I think all is good. Looking forward to trying a larger batch.
Bobby:
Mjock3,
Thats a great save. Was there no remaining taste of the chloride?
Bobby
Mjock3:
No there was not.
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