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Gas-phase apparatus construction
Can't you just simply burn magnesium metal, dissolve in water to hydrolyze any nitride to ammonia, a ...
8-11-2007 at 16:14
by: Fleaker
Gold Plating
Potassium gold cyanide, with some free cyanide will do the trick. There are various books on it.

...
8-11-2007 at 16:02
by: Fleaker
Platinum plated titanium
Besides, it's not like it was your platinum anyhow :-). This time around I think it'll be chloroplat ...
7-11-2007 at 14:30
by: Fleaker
quartz tube, how hot can I go?
It frosts and etches the quartz, weakening it. I'm too lazy to think of exactly what happens, but it ...
6-11-2007 at 18:08
by: Fleaker
quartz tube, how hot can I go?
The levitation part is particularly nice as it is zero contamination and can be carried out in high ...
5-11-2007 at 09:49
by: Fleaker
quartz tube, how hot can I go?
1200*C is about the limit for quartz in my opinion. Just don't use it with Group 1 or 2 oxides/hydro ...
4-11-2007 at 13:35
by: Fleaker
bromate synthesis
The solution is very orange red, dilute it is yellow.

Palladium solution in nitric acid or aqua r ...
4-11-2007 at 10:23
by: Fleaker
Sulfur Hexaflouride
It's available from a variety of gas suppliers. Mine was from Praxair, but there are various issues ...
3-11-2007 at 09:25
by: Fleaker
Molecular sieves... anybody ever used them?
My sieve is indicating with Cobalt chloride, and I just store my MeOH, EtOH, on up with about 50g of ...
3-11-2007 at 09:14
by: Fleaker
Sulfur Hexaflouride
It's a pretty common demo to swallow some of the gas and let it lower your voice a few octaves, quit ...
2-11-2007 at 19:20
by: Fleaker
sodium metal sample
I Saran wrap my bricks then double bag them and seal with this plastic heat-sealer. Still look like ...
2-11-2007 at 19:17
by: Fleaker
More on PbO2 electrodes
[quote][i]Originally posted by 12AX7[/i]
Those small bits of Ti are almost useless -- spray and ozo ...
2-11-2007 at 08:56
by: Fleaker
Molecular sieves... anybody ever used them?
I have 3A and 4A, both get hot when you add them to wet alcohol. 4A adsorbs EtOH and the water, but ...
2-11-2007 at 08:38
by: Fleaker
More on PbO2 electrodes
I have some small titanium anodes that I can make available to you all. 12AX7 has a few of them, the ...
1-11-2007 at 08:22
by: Fleaker
Platinum group refining...companies?
Xenoid--Don't even count on that either. I've sold a lot of gold, silver, platinum, and palladium bu ...
30-10-2007 at 15:53
by: Fleaker
cyclohexanone
I think I have some that I can spare you. I know I have a lot of either that or cyclohexanol. I only ...
29-10-2007 at 18:15
by: Fleaker
Dichloromethane otc product
I'm interested, how much for 2 of them? Also, still have any of that benzene lying about? U2U if you ...
29-10-2007 at 18:13
by: Fleaker
Platinum group refining...companies?
I'm not quite weary just yet :-)!

But most often, you won't get even close to full spot price, fo ...
29-10-2007 at 18:12
by: Fleaker
Nitric Acid Puzzler
Must've distilled at too high a temperature. I have had that happen to me as well.
28-10-2007 at 14:10
by: Fleaker
Simple and inexpensible DIY mini-charcoal "furnace"
Have none of you been to this site: http://www.backyardmetalcasting.com ? There is a forum there wit ...
25-10-2007 at 17:40
by: Fleaker
Synthesis of Allylbenzene
Magnesium from alloy wheels is nowhere near good enough for a Gringard. I have pure magnesium turnin ...
20-10-2007 at 12:44
by: Fleaker
Quality of KMnO4
Univar products are actually really cheap if you buy in bulk, as in $3/L for 15L of nitric acid, che ...
19-10-2007 at 16:11
by: Fleaker
SO3 from Iron Sulphate
I think I might give this a shot on a large scale. Anyone think a stainless stock pot and some stain ...
19-10-2007 at 08:45
by: Fleaker
Mortar And Pestle Composition
I have a 320mm diameter Coors one, and then a small 85mm one from agate.

Anyone ever got to use ...
18-10-2007 at 10:24
by: Fleaker
Lithium batteries
Erm, Xenoid, wouldn't H2S be the hydrolysis product of iron disulfide reacting with water? :) FeS2 e ...
15-10-2007 at 09:09
by: Fleaker
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