kadriver
Hazard to Others
Posts: 196
Registered: 7-11-2012
Location: United States
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Mood: Thankful
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Using Chemistry to Recover Traces of gold The Stock Pot VIDEO
Here is another video showing how I use chemistry (specifically the reactivity series of metals) to recover trace amounts of precious metals from gold
refining waste solutions.
It also shows some of my waste treatment system.
click here to view: https://youtu.be/P86Ch6w2V7I
Any comments or questions are always welcome.
Thanks for looking!
kadriver
[Edited on 15-9-2015 by kadriver]
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MrHomeScientist
International Hazard
Posts: 1806
Registered: 24-10-2010
Location: Flerovium
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Speaking of waste, how do you finally deal with yours? After you've cemented back out the copper you're left with a very concentrated (judging by the
color) iron solution - where does that go? With the amounts you're working with you've definitely got to have a waste disposal plan!
Interesting videos. I've wanted to try gold refining for quite a while now. Gold refining has this weird effect that there's simultaneously a wealth
of information yet also a lot of obscurity. Tons of different methods but seemingly little science explanation. It seems like every method has one key
piece of information missing for others to be able to replicate it easily. I think that's a result of the 'gold rush' mentality, where you don't want
to let people know where your mine is lest they come and steal your gold.
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zed
International Hazard
Posts: 2281
Registered: 6-9-2008
Location: Great State of Jefferson, City of Portland
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Mood: Semi-repentant Sith Lord
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Copper waste isn't OK with your local water quality people. Leastwise, not around here.
Some local folks, seem to have had scrap autos too close to either the Willamette or the Columbia River. Now, simple rainwater runoff, from some
junked cars, doesn't seem like it should be a big deal, but it is. Just a tiny quantity of Copper in runoff water, arouses considerable wrath with
the regulators.
Copper exposure it turns out, is no big deal for most mammals. We think nothing of it. But, it is Deadly to most other forms of life. Bacteria,
Fungi, Insects, and Fish....are often mowed down by it, in very low concentrations.
Those with dust mite allergies, sometimes utilize copper impregnated fabrics in pillow cases, or gloves, to keep the little devils in check.
The decreased resistance to rot, in contemporary denim pants, may be due to changes in dyeing techniques. Historically, Copper was used to prep the
fabric or thread for dyeing. The tiny residue left in the fabric seems to have imparted some rot resistance. Also, in socks, such residue seems to
combat the fungi of Athletes Foot.
[Edited on 19-9-2015 by zed]
[Edited on 19-9-2015 by zed]
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