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Ampouling Gallium?
Can't comment--never tried that. |
1-10-2013 at 10:55
by: Fleaker |
Ampouling Gallium?
Gallium oxide works (use it to coat crucibles when making alloy).
If the gallium is very clean ( ... |
1-10-2013 at 10:28
by: Fleaker |
Catalytic Converter PGM Recovery
You're thinking right. PdO is what you do not want to form. Now comes the issue of "but how do I de- ... |
22-8-2013 at 18:38
by: Fleaker |
Magnesium Oxide Crucibles
I'd still say buy some cupels. They're cheap.
Check out Legend Mining Supply in Reno, NV. |
22-8-2013 at 07:05
by: Fleaker |
Catalytic Converter PGM Recovery
Gross oversimplification and you're liable to get in trouble with catalyst.
Leaching PGMs out of ... |
22-8-2013 at 06:58
by: Fleaker |
Aminocomplex of gold?
I can say this much: do not make any gold solution ammoniacal. The bright yellow to ochre powder tha ... |
20-8-2013 at 05:42
by: Fleaker |
Ag2O wont react with glucose?
Follow the advice in Brauer's (available in the forum library)--the procedure works and is quantitat ... |
17-5-2013 at 08:34
by: Fleaker |
Ground glass quartz tube
I have about 300 quartz tubes that I bought and were the wrong size. They're 26X30 mm Heraeus (basic ... |
22-4-2013 at 13:43
by: Fleaker |
Silver refining
HCl does not produce silver and would serve limited refining utility. As there are plenty of other i ... |
21-1-2013 at 17:47
by: Fleaker |
Conductive silver ink
We do this with sodium formate at 65*C and pH 4 on 300 g/L silver nitrate. It is very selective for ... |
21-1-2013 at 17:23
by: Fleaker |
Extraction of HAuCl4 With Ether
Actually, in many instances, solvent extraction is preferable to direct reduction from solution, esp ... |
21-1-2013 at 17:20
by: Fleaker |
Making potassium chloroplatinate from platinum chloride (aq)
Dissolve the PtCl2 concentrated HCl and hydrogen peroxide, make into a syrup and add 10% excess of t ... |
21-1-2013 at 16:59
by: Fleaker |
The most funny mistake I ever saw
Just an aside, I really wish people who want bromine would give the H2SO4 + NaBrO3 + NaBrO3 route--i ... |
14-12-2012 at 05:15
by: Fleaker |
Magnesium Oxide Crucibles
MABOR brand cupels are MgO. We use them to melt small quantities of Ir, Pt, and Rh in. |
4-12-2012 at 17:37
by: Fleaker |
Nitrous Oxide from Ammonium Nitrate
Isn't it just easier to make N2O from sulfamic acid and nitric acid and be left with pure sulfuric a ... |
4-12-2012 at 17:27
by: Fleaker |
Platinum anode - odd reaction
Not so at all.
Bulk platinum might be (sheets, thick wire and the like), but I use Cl2/HCl to sol ... |
30-11-2012 at 19:23
by: Fleaker |
Tired of reporting spam
I would volunteer. I've noticed a few spammers of late and am on more frequently... |
20-10-2012 at 18:16
by: Fleaker |
What to do with tiny bits of Palladium wire?
No, electrolysis works just fine. Works for platinum too if the set up is right.
PdCl2 isn't terr ... |
6-9-2012 at 15:29
by: Fleaker |
Reason why iron and acid smells bad.
I've noticed a choking smell when dissolving some metals in acids. Some times it sets on fire. I won ... |
6-9-2012 at 15:26
by: Fleaker |
What to do with tiny bits of Palladium wire?
Now that I think about it. You can trade me the wire for Pd salts and catalysts... |
27-8-2012 at 16:24
by: Fleaker |
identify cautery tip composition
Platinum, platinum-rhodium, and platinum iridium alloys are all very, very common in medical devices ... |
27-8-2012 at 16:21
by: Fleaker |
What to do with tiny bits of Palladium wire?
Actually, PdCl2 is quite water soluble when prepared in that fashion.
Just dissolve in aqua regia ... |
26-8-2012 at 13:48
by: Fleaker |
palladium extraction
The sodium formate method works excellent for preparing 9995+ pure silver, with washing. It must be ... |
6-8-2012 at 12:45
by: Fleaker |
tarnish free silver chromium alloy
It can be either, but typically rhodium. |
5-8-2012 at 07:27
by: Fleaker |
palladium extraction
Sodium formate is a great reducing agent for both Ag, Pd, and Pt. It produces CO.
|
5-8-2012 at 06:46
by: Fleaker |
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