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Reaction scales
Ratios, almost everything is ratios. You don't need moles, you don't need weights, all you have are ... |
14-10-2008 at 08:00
by: 12AX7 |
La metal with Bi
Wow, the La end looks exactly like iron!
Sure illustrates the "bismuthide" character of this comp ... |
14-10-2008 at 07:55
by: 12AX7 |
La metal with Bi
Melt the damn stuff and you'll have no question as to its formation.
Tim |
13-10-2008 at 16:22
by: 12AX7 |
Copper Sulphate: impurity, decomposition?
Cu2O? I've made what looked like tabluar crystals of copper, but weren't quite shiny enough, more o ... |
13-10-2008 at 16:19
by: 12AX7 |
Beakers cracking
Porcelain has a high glass content, you have to be careful with it as well. More porous, refractory ... |
12-10-2008 at 12:51
by: 12AX7 |
La metal with Bi
Do you have a phase diagram for the system? Any idea of the heat of formation of LaBi?
The canon ... |
11-10-2008 at 14:54
by: 12AX7 |
Beakers cracking
It'll be fine in the oven. If you want to be even more cautious you can even put a towel between th ... |
11-10-2008 at 08:34
by: 12AX7 |
La metal with Bi
If they are in perfect contact, you can calculate the diffusion constant at room temperature. Who n ... |
11-10-2008 at 08:31
by: 12AX7 |
Cathodic protection & Introduction
I think it'll be fine.
Tim |
10-10-2008 at 16:33
by: 12AX7 |
Iron Cell - reaction question
If you want the copper, you can melt it and blow oxygen (or use an oxidizer such as CuO) to eliminat ... |
8-10-2008 at 18:47
by: 12AX7 |
A lab 40V 250W power supply
Probably not 100% duty cycle at such currents, much as the old iron buzzboxes are rated.
Tim |
5-10-2008 at 14:49
by: 12AX7 |
problem with time travel
[quote][i]Originally posted by phlogiston[/i]
"...with me staying the way I am right now".[/quote ... |
5-10-2008 at 12:45
by: 12AX7 |
HClO3 from Pb(ClO3)2 + H2SO4
How about this. Crystallize it all, then wash with hot water. Most of the sodium chlorate will dis ... |
5-10-2008 at 12:38
by: 12AX7 |
Ni from coins
Oops, that's iron. http://en.wikipedia.org/wiki/Metal_carbonyl#Charge-neutral_binary_metal_carbonyls |
5-10-2008 at 09:15
by: 12AX7 |
HClO3 from Pb(ClO3)2 + H2SO4
PbCl2 is insoluble.
I thought the chlorate was soluble?
HClO3 isn't too great, it decomposes i ... |
5-10-2008 at 07:48
by: 12AX7 |
quick lipid question
Sulfurized oils are excellent high-pressure (machining) lubricants. Awful stinky lubricants...
T ... |
5-10-2008 at 06:51
by: 12AX7 |
Ni from coins
[quote][i]Originally posted by JohnWW[/i]
but generating and using large amounts of CO in a laborat ... |
5-10-2008 at 06:50
by: 12AX7 |
Thorium Separation From TIG Electrodes
Spent TIG rod nubs may be even better, although you don't know if they contain Th or Ce, Zr, etc.; y ... |
4-10-2008 at 14:32
by: 12AX7 |
Exotic thermites & analogs
Idunno- phosphate in the CaSO4 or stuff?
Tim |
4-10-2008 at 09:44
by: 12AX7 |
Exotic thermites & analogs
All aluminum-silicon alloys present as a mixture of dentritic aluminum and flat silicon plates. The ... |
3-10-2008 at 20:00
by: 12AX7 |
Aqua regia analogues
It's my recollection HF + HNO3 can be used with the more stubborn right-hand-side transition metals ... |
3-10-2008 at 19:41
by: 12AX7 |
Exotic thermites & analogs
Brauer gives prep with aluminum-containing briquettes under heat and vacuum. Not really exothermic ... |
3-10-2008 at 06:48
by: 12AX7 |
Exotic thermites & analogs
Aluminum and silicon form a simple eutectic system, no intermetallics ("silicide").
Possibly a ca ... |
2-10-2008 at 19:38
by: 12AX7 |
The short questions thread (1)
The word is "formylation".
Interesting synthesis, a bit perplexing. I suppose the glycerol is a ... |
1-10-2008 at 20:47
by: 12AX7 |
The short questions thread (1)
[quote][i]Originally posted by Panache[/i]
I must go and buy a scientific calculator[/quote]
Win ... |
1-10-2008 at 09:15
by: 12AX7 |
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