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| T6 Leaching 2 |
If you followed the procedures from the preceding page, you now have GOLD
CHLORIDE, in an aqueous (water) solution...
Before you can fire it in a furnace, you need to convert it to an OXIDE, or else
you will lose much of it in the furnace!
To do so is relatively simple.
In a cheap "Crock Pot", available anywhere appliances are sold, place the Gold
Chloride sludge into the pot, adding Liquid Sodium Hydroxide to an excess...so
the PH reads at least 12.
Boil this mixture at low heat for about 2 hours.....
It will turn dark brown or black.
You have now shifted the Gold Chloride into Gold Oxide.
Gold Oxide can be furnaced now, but will still suffer losses....so we will take it
another step.
This is called "ANNEALING".
The GOLD OXIDE has to be dried first.
After drying, it is put into the furnace and heated to 700-800 degrees F for 2 or
more hours.
This tends to make the Oxide Gold into metallic Gold powder.
CHLORIDE, in an aqueous (water) solution...
Before you can fire it in a furnace, you need to convert it to an OXIDE, or else
you will lose much of it in the furnace!
To do so is relatively simple.
In a cheap "Crock Pot", available anywhere appliances are sold, place the Gold
Chloride sludge into the pot, adding Liquid Sodium Hydroxide to an excess...so
the PH reads at least 12.
Boil this mixture at low heat for about 2 hours.....
It will turn dark brown or black.
You have now shifted the Gold Chloride into Gold Oxide.
Gold Oxide can be furnaced now, but will still suffer losses....so we will take it
another step.
This is called "ANNEALING".
The GOLD OXIDE has to be dried first.
After drying, it is put into the furnace and heated to 700-800 degrees F for 2 or
more hours.
This tends to make the Oxide Gold into metallic Gold powder.
Raw Gold Chloride ore
Into the mixer it goes
Fresh washed gold chloride
After treatment with T-6
From here, the precipitant is boiled in Sodium Hydroxide,
annealed, and then furnaced to molten Gold....We will post
favorite flux formulations later here.
annealed, and then furnaced to molten Gold....We will post
favorite flux formulations later here.
From here, the precipitant is boiled in Sodium Hydroxide,
annealed, and then furnaced to molten Gold....We will post
favorite flux formulations later here.
annealed, and then furnaced to molten Gold....We will post
favorite flux formulations later here.
From here, the precipitant is boiled in Sodium Hydroxide,
annealed, and then furnaced to molten Gold....We will post
favorite flux formulations later here.
annealed, and then furnaced to molten Gold....We will post
favorite flux formulations later here.
| Updated 10/26/2006 |