| Search |
| [Next Page] |
Advice needed for HF synthesis
Thanks. One of my concerns (which I have encountered before with other liquid into solid additions ... |
10-3-2008 at 00:57
by: kilowatt |
Advice needed for HF synthesis
For one thing, this isn't an uncontrolled reaction, do you think I am just dumping a bunch of sulfur ... |
10-3-2008 at 00:34
by: kilowatt |
Advice needed for HF synthesis
Update: Here's what I've got going now. The aparattus consists of a teflon tube with a tapered tef ... |
9-3-2008 at 17:17
by: kilowatt |
Possible Route to Copper Nitrate
[quote]
How about adding an excess of Cu metal to dilute (38%) nitric acid, filtering under suction ... |
7-3-2008 at 06:49
by: kilowatt |
Possible Route to Copper Nitrate
Any idea how to make that not happen? |
7-3-2008 at 01:49
by: kilowatt |
Possible Route to Copper Nitrate
Thanks for the help, looks like this may be workable.
[quote]
2Cu(NO3)2 5H2O => 2CuO(s) + 4 ... |
6-3-2008 at 22:52
by: kilowatt |
Possible Route to Copper Nitrate
I had thought briefly about copper hydroxide but did not think the reaction would proceed. Are you ... |
6-3-2008 at 22:09
by: kilowatt |
Possible Route to Copper Nitrate
I know for a fact molten ammonium nitrate likes to decompose to H2O + N2O instead of the HNO3 + NH3 ... |
6-3-2008 at 20:51
by: kilowatt |
bromine
My point is that it isn't that difficult, and especially not difficult enough to make it worth purch ... |
6-3-2008 at 20:45
by: kilowatt |
Possible Route to Copper Nitrate
[quote]
Try boiling copper oxide with a strong solution of ammonium nitrate, skip the electrolysis. ... |
6-3-2008 at 19:43
by: kilowatt |
Platinum-Tungsten Separation and Other Mystery Metals
[quote]
Most of the methods we've given will likely leave the platinum as the metal, dropping zinc, ... |
6-3-2008 at 17:14
by: kilowatt |
bromine
Glass is completely impervious to bromine, as are passivated metals under normal conditions (as long ... |
6-3-2008 at 15:24
by: kilowatt |
Platinum-Tungsten Separation and Other Mystery Metals
I don't have enough silver to make a very large crucible for the caustic melt method, would a sinter ... |
6-3-2008 at 12:54
by: kilowatt |
Possible Route to Copper Nitrate
I was thinking about copper nitrate 2.5 hydrate as a precursor to fuming nitric acid via the normal ... |
6-3-2008 at 12:38
by: kilowatt |
Platinum-Tungsten Separation and Other Mystery Metals
Thanks for the advice; I will try some H2O2 first. I probably won't be able to get much past 15% th ... |
5-3-2008 at 20:32
by: kilowatt |
Platinum-Tungsten Separation and Other Mystery Metals
[quote]
No idea if it'd react with tungsten metal, but if it does, it's sure to produce HCl, sodium ... |
5-3-2008 at 15:18
by: kilowatt |
Platinum-Tungsten Separation and Other Mystery Metals
I have a couple large pieces of tungsten/platinum alloy supposedly containing about 2.5% platinum. ... |
5-3-2008 at 14:47
by: kilowatt |
Compressed Gases on the Cheap
Keep in mind that the aluminum will over time be converted to aluminum hydride, and baking it may le ... |
28-2-2008 at 11:34
by: kilowatt |
Compressed Gases on the Cheap
Do not store hydrogen under pressure in a steel tank. It will absorb hydrogen, which makes the meta ... |
27-2-2008 at 12:40
by: kilowatt |
Ebay is going to hell this month.
I couldn't have said it better, which is why I didn't say anything before. |
15-2-2008 at 14:22
by: kilowatt |
Ebay is going to hell this month.
I will honor the strike, but remind me again how any of this is going to help. It's only one week. ... |
14-2-2008 at 03:32
by: kilowatt |
Department of Homeland Security proposing anti-terror regs worse than anything DEA ever dreamt about...
Why couldn't they have just made a big membrane cell with tyvek house wrap and rock salt and made th ... |
13-2-2008 at 17:30
by: kilowatt |
Sodium!
Like any complex ion electrolysis (for example the Darling electrolysis cell which uses sodium nitra ... |
13-2-2008 at 16:22
by: kilowatt |
Sodium!
You really want more than 5V for a Downs cell; about 8 is good. Not sure about a Castner cell. I w ... |
13-2-2008 at 09:29
by: kilowatt |
kid's crystal kit
Ammonium nitrate makes long needle-like crystals, not very colorful but interesting nonetheless. Ni ... |
7-2-2008 at 23:04
by: kilowatt |
| [Next Page] |
