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Melting Gold

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Melting Gold - Page 2 Empty Re: Melting Gold

Post  Guest on Wed Oct 12, 2011 4:56 pm

Melting Gold - Page 2 Eldorado09035

no point keeping this gold as is ! either send to refiners or smelt it into a manageable button Very Happy

Yes Rob a lot of reading of the info is needed --its all in here in different places BUT all here

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Post  Rob.B on Wed Oct 12, 2011 5:09 pm

OK, melting the real fine dust makes sense, its nothing special to look at.

I've been scanning through the site, theres lots of snippets which suit me at my current level.

I noticed I asked certian questions when I 1st looked here & others since (in the last few days) have done the same... And no doubt, 100 before & another 100 over the next week.

You guys must be very patient.
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Post  Guest on Wed Oct 12, 2011 5:21 pm

chopppacalamari wrote:if you haven't seen it then I can under stand the question. That brings an old saying to mind. If you only think you have gold then you haven't. If you know you have gold then you have.

Dicko..

Dicko that is a classic i like it. cheers cheers

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Post  Guest on Wed Oct 12, 2011 6:34 pm

Rob.B wrote:OK, melting the real fine dust makes sense, its nothing special to look at.

I've been scanning through the site, theres lots of snippets which suit me at my current level.

I noticed I asked certian questions when I 1st looked here & others since (in the last few days) have done the same... And no doubt, 100 before & another 100 over the next week.

You guys must be very patient.

yes Rob the price of gold has spurned a lot of ppl to try their hand and the same questions do crop up time and time again Shocked so please be patient with the blokes in here --some answers will be a bit clipped some wont --all i can say is to have a look at the very many different ways to wash for gold or detect but the best way would be to find a mate to go out with Very Happy

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Post  Rob.B on Wed Oct 12, 2011 7:51 pm

I think thats the idea.... Im going back out on the weekend & wil get a pan so I can pan a bit of the hill before I bother putting a few hours into it.

I think detecting is the way for me, I detect in the bush for 6 hours, it feels like 1 hour & I dont want to go home.

The bush is amazingly relaxing!
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Post  Guest on Wed Oct 12, 2011 9:52 pm

Good for you Rob and do keep us informed on how you go cheers

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Post  koeh on Wed Oct 12, 2011 11:25 pm

opalngold wrote:Having similar trouble as Dryblower , how do you remove the remains of the borax and crap [ slag ] left over in the crucible after melting ? If it’s left in there it seams to soak up too much heat. Tried chiselling it out that did work but also chipped the crucible. Any ideas? I use Mapp gas. Thanks Greg
PS Geof junk I don’t know how you got enough heat using propane?



when i was working in an assay lab after we had poured our samples the platinum crucibles went into an ultrasonic bath that was filled with water and citric acid, they would sit in the bath for 8-10 minutes and come out clean as the citric acid dissolved the melted flux left in the crucibles,
i have not tried to dissolve the borax with citric acid, it may work or it might not, the flux we used in the lab was worth 4-$500 a bottle it was nearly pure compared to what borax is,

I might even find an old ceramic crucible just to give it a try and see what happens.

cheers

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Post  arjay on Thu Oct 13, 2011 2:08 pm

hi rob b, when you find your first gold nugget you will know instantly what it is,there is no mistaking fools gold for au.you will know.arjay
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Post  opalngold on Thu Oct 13, 2011 10:45 pm

koeh wrote:
opalngold wrote:Having similar trouble as Dryblower , how do you remove the remains of the borax and crap [ slag ] left over in the crucible after melting ? If it’s left in there it seams to soak up too much heat. Tried chiselling it out that did work but also chipped the crucible. Any ideas? I use Mapp gas. Thanks Greg
PS Geof junk I don’t know how you got enough heat using propane?



when i was working in an assay lab after we had poured our samples the platinum crucibles went into an ultrasonic bath that was filled with water and citric acid, they would sit in the bath for 8-10 minutes and come out clean as the citric acid dissolved the melted flux left in the crucibles,
i have not tried to dissolve the borax with citric acid, it may work or it might not, the flux we used in the lab was worth 4-$500 a bottle it was nearly pure compared to what borax is,

I might even find an old ceramic crucible just to give it a try and see what happens.

cheers

koeh

G’day Koeh
Let us know how you get on with the citric acid.
Choppa mentioned in an earlier post to add salt to the left over borax slag to make it runny, so I will try this method.
Cheers Greg

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Post  Rob.B on Fri Oct 14, 2011 5:29 pm

Hi Arjay

Im sure I will.... But the again Im a bit of a fool so its all gold to me!

Rob
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Post  itmtrader on Fri Oct 14, 2011 7:43 pm

Thanks for all.........

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Post  Guest on Sun Jan 20, 2013 8:15 am

DANGER Will Robbinson DANGER!!!!!!!!!!! cheers

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Post  Guest on Sun Jan 20, 2013 9:33 am

.

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