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Thermite Igniter? [quote][i]Originally posted by Quince[/i]
I don't know if the water in the alcohol caused the ... |
1-3-2005 at 05:22 by: neutrino |
Exotic thermites & analogs Ah, there was also polyurethane in there as a fuel. My guess would then be that the AN + PU = propel ... |
1-3-2005 at 05:21 by: neutrino |
Exotic thermites & analogs What exactly do you mean by ‘propellant’? Thermite reactions give off a good deal of heat and ke ... |
25-2-2005 at 20:11 by: neutrino |
Magnesium Alloy Fire extinguishing You can't use carbon dioxide extinguishers, as magnesium reduces that energetically. Nitrogen w ... |
25-2-2005 at 13:50 by: neutrino |
Exotic thermites & analogs This looks like a precipitation reaction, which means that you’d need a soluble hydroxide (Na, K†... |
25-2-2005 at 07:38 by: neutrino |
Pump for high temperature liquids. How dows that work in a continuously circulatiung system? |
25-2-2005 at 07:33 by: neutrino |
Nicotine Extraction and purification The problem here is that you would get appreciable losses. Chemicals evaporate at temperatures lower ... |
24-2-2005 at 20:38 by: neutrino |
Download a sciencemadness backup! The reason for encryption (last I heard, anyway) was that the backups contain personal data by defau ... |
24-2-2005 at 20:36 by: neutrino |
Balancing Chemical Equations It seems that you are, though.![:P](./images/smilies/tongue.gif)
If all else fails, start by balancing the reaction for one atom. ... |
24-2-2005 at 19:13 by: neutrino |
Sulfamic acid H<sub>2</sub>SO<sub>4</sub> is sulfuric acid
Sulfamic acid = HSO<sub> ... |
24-2-2005 at 17:17 by: neutrino |
Glassware Questions For a stopper with a hole in it, use one of UGT’s thermometer adapters. The glass part has a hole ... |
24-2-2005 at 09:35 by: neutrino |
micro distillation What you want is a book which talks about semimicro technique (dealing w/chemicals in the ~5mL area) ... |
23-2-2005 at 14:22 by: neutrino |
Ferrofluids Call me a quitter, but I think that buying the stuff would be a lot easier than actually making it. ... |
23-2-2005 at 14:17 by: neutrino |
NaK alloy If you’re using argon, make sure to have a steady stream to remove the oxygen formed. What are you ... |
23-2-2005 at 14:06 by: neutrino |
NH4NO3->nitric acid + ammonia Yes, that’s the standard <i>cheap</i> method, it has been discussed extensively, espec ... |
22-2-2005 at 14:19 by: neutrino |
KCLO3 by way of H2O + KCL I’m sure that everyone here knows what he’s doing. Chlorates and Perchlorates aren’t really ex ... |
22-2-2005 at 14:18 by: neutrino |
Disposal of a solution of silver nitrate / ammonia That’s right, acids tend to protonate ligands. Sorry about that. |
22-2-2005 at 14:09 by: neutrino |
Hydroxylamine NH2OH Uses (and Production) Excuse my lack of ochem knowledge, but could this be mixed with nitric acid to form RDX? Maybe it co ... |
21-2-2005 at 20:04 by: neutrino |
Disposal of a solution of silver nitrate / ammonia You can’t drop the silver out of solution with the chloride ion if there’s ammonia present. Iodi ... |
21-2-2005 at 18:06 by: neutrino |
legal absolute ethanol You get that message a lot, its best just to ignore it. The web site has no information I can find o ... |
21-2-2005 at 14:42 by: neutrino |
CaCl2 Was the carbon sold as anything in particular or just ‘activated carbon’? |
20-2-2005 at 06:21 by: neutrino |
Butane (C4H10) experiments... You could always use it for extraction of things from plant matter. I’m pretty sure that capsaicin ... |
19-2-2005 at 17:31 by: neutrino |
Mercury? [quote][i]Originally posted by tom haggen[/i]
What other element is in the composition of this liqu ... |
19-2-2005 at 17:28 by: neutrino |
Melting and Boiling points [url=http://webbook.nist.gov/chemistry/]NIST[/url] should be a good one. |
19-2-2005 at 13:32 by: neutrino |
condensers Dewars are simple: the vapor is introduced at the side, condenses on the cool inner part (in which t ... |
17-2-2005 at 20:10 by: neutrino |
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