Smelting gold

[solar_plasma]

Hi Jon, well, we don't know how much SMB he used, maybe more, than you ever tried.

Corro, first of all read Hoke, read about the process in this forum, how to avoid excess nitric, how to test, how to use sulfamic acid and SMB AND how to wash - read Harold's post: Harold's pure gold shining post

also view waste treatment and safety

 

[Corro69]

Ok. Thank you also!

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[anachronism]

Hi Jon, well, we don't know how much SMB he used, maybe more, than you ever tried.

Oh I can promise you that I have on occasion shovelled the stuff in old friend

 

[Corro69]

I do think that I may have gone overboard with the smb. Lol

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[g_axelsson]

Most I've seen any one used was two pounds of SMB for 10 grams of gold... that was a mess. :lol:

Göran

 

[solar_plasma]

But Jon is right, any CuCl is easily dissolved and removed in the washing step. Nevertheless I understand it as good craftmanship to do any step painstakenly. Any part per 10000 (so it might be as little as some 0,1mg) might be reduced in the flame and cost some numbers from the intended 9999.

 

[Corro69]

This was my second batch... My first turned out a 22k 1.7gram bead...was quite happy with it

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