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Gold Recovery Computer Scrap Complete Process
Colloidal gold!!! Gold nanoparticles!!!
https://en.wikipedia.org/wiki/Colloidal_gold
The last ... |
18-9-2015 at 10:05
by: deltaH |
Gold Recovery Computer Scrap Complete Process
Wow, amazing work [b]aga[/b]! My 'inventing' is pretty useless paper chemistry without friends like ... |
18-9-2015 at 08:23
by: deltaH |
Gold Recovery Computer Scrap Complete Process
Nice ideas, but I don't think applying a voltage to the PCB fingers directly will be practical. Whil ... |
17-9-2015 at 22:00
by: deltaH |
Gold Recovery Computer Scrap Complete Process
Thanks, that'd be great. Remember to use 2M NaCl, the 1M didn't work so well for the copper leach st ... |
17-9-2015 at 10:41
by: deltaH |
Gold Recovery Computer Scrap Complete Process
I based my calculations on 5% acetic acid... so you don't need it strong!
Also, we don't even kn ... |
17-9-2015 at 04:47
by: deltaH |
Gold Recovery Computer Scrap Complete Process
[b]kadriver[/b], I suggest you double the quantities for the bleach reaction just to make sure you h ... |
17-9-2015 at 01:09
by: deltaH |
Titanium diboride Anode
It's probably going to passivate, i.e. it will work initially but then your current will drop dramat ... |
16-9-2015 at 21:57
by: deltaH |
Does ferrous nitrate exist?
Yes it exists and can be prepared by reacting iron filings with ferric nitrate and dilute nitric aci ... |
16-9-2015 at 10:51
by: deltaH |
Gold Recovery Computer Scrap Complete Process
Sounds good [b]kadriver[/b]. It should take 48h for complete removal, although after 24h many should ... |
16-9-2015 at 06:50
by: deltaH |
Gold Recovery Computer Scrap Complete Process
I'm also very happy with this. The whole idea is to have people using safer and environmentally more ... |
16-9-2015 at 00:00
by: deltaH |
Gold Recovery Computer Scrap Complete Process
I also wanted to have a closer look at the prior step, the one where the base metals are selectively ... |
14-9-2015 at 10:32
by: deltaH |
Gold Recovery Computer Scrap Complete Process
[rquote=419277&tid=63606&author=aga]It's been minutes now, and nothing much happening ...
... |
14-9-2015 at 06:51
by: deltaH |
Gold Recovery Computer Scrap Complete Process
Okay, dosed up, feeling a little better, can attempt some number, but take it with a big pinch of sa ... |
14-9-2015 at 06:49
by: deltaH |
Gold Recovery Computer Scrap Complete Process
Thanks, but take note, I'm under the affluence if vast quantities of codein phosphate, so I might ju ... |
14-9-2015 at 05:22
by: deltaH |
Gold Recovery Computer Scrap Complete Process
Or even simpler, just add enough salt to vinegar to make a 1M sodium chloride solution and that woul ... |
14-9-2015 at 03:08
by: deltaH |
Gold Recovery Computer Scrap Complete Process
Hi kadriver.
The full picture of what's going on is a little more complex. The production of chlo ... |
14-9-2015 at 03:03
by: deltaH |
Is it Co2O3?
[rquote=418616&tid=63542&author=ave369] Melting with KNO3 and KOH failed to produce any new ... |
8-9-2015 at 10:00
by: deltaH |
Electrochemistry Questions
[quote]Thanks for putting up with me DeltaH.[/quote]
No putting up at all, I'm no expert in this, ... |
8-9-2015 at 09:24
by: deltaH |
Electrochemistry Questions
[rquote=418585&tid=63543&author=smaerd]Sorry DeltaH I got lost reading stuff about electroch ... |
7-9-2015 at 22:29
by: deltaH |
Electrochemistry Questions
OK, I'm tired and going to bed, so here's the answer not to keep you hanging...
We all know that ... |
7-9-2015 at 13:15
by: deltaH |
Brainteaser #2
I made the statement that gases used in a cell generally require a catalyst, again... why?! This tim ... |
7-9-2015 at 12:58
by: deltaH |
Electrochemistry Questions
[quote]Thus no electrodes are needed.[/quote]
I don't really understand where you going with this ... |
7-9-2015 at 12:53
by: deltaH |
Electrochemistry Questions
[quote]So the net reaction is O[sub]2[/sub]+ 2H[sub]2[/sub] <-> H[sub]2[/sub]O[/quote]
Stil ... |
7-9-2015 at 12:32
by: deltaH |
Electrochemistry Questions
[rquote=418572&tid=63543&author=smaerd]Damn it lol Its supposed to be 2H[sub]2[/sub]! I'll f ... |
7-9-2015 at 12:30
by: deltaH |
Electrochemistry Questions
[quote]So the net reaction is O2+ 2H+ <-> H2O[/quote] This is still not right though. |
7-9-2015 at 12:25
by: deltaH |
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