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KNO3 + Al + other chems: flame color + speed Again I experimented with KNO3 + Al. <iframe width="420" height="315" src="http://www.youtube. ...	19-12-2011 at 12:44 by: metalresearcher
Li2CO3 slows down KNO3+Al very strongly I tried KNO3 + Al powder and that is very quick. Here a clip which displays its very fast behavior. ...	17-12-2011 at 14:14 by: metalresearcher
Lowest incandescense temperature ? According to [url=http://en.wikipedia.org/wiki/Draper_point]Wikipedia[/url] this is 525oC. I tested ...	16-12-2011 at 09:02 by: metalresearcher
Growing fluorite crystal for lenses takes a YEAR ?? In this article http://www.the-digital-picture.com/Reviews/Canon-EF-1200mm-f-5.6-L-USM-Lens-Review.a ...	22-11-2011 at 10:07 by: metalresearcher
Is this silicon ? I put some particles into hot NaOH solution, but no gas escaped. So it is probably SiC. According to ...	19-11-2011 at 12:55 by: metalresearcher
Is this silicon ? I heated a little bit of SiO2 sand with powdered charcoal in a stoiciometrcal 5:1 mass ratio (actual ...	19-11-2011 at 11:46 by: metalresearcher
CaC2 + H2O2 30% => BOOM ?? I did not try it (too scared) but I am just curious what you think. Performing such an experiment i ...	15-11-2011 at 13:10 by: metalresearcher
Li2CO3 + Mg => LiC ??? (I did a try) Yes it smelled a bit like C2H2. But the bright flames upon contact with water as seen in the vid are ...	15-11-2011 at 13:06 by: metalresearcher
Li2CO3 + Mg => LiC ??? (I did a try) I put 1g Li2CO3 + 1g Mg powder in a steel retort and heated it to red hot. After cooling I opened i ...	15-11-2011 at 12:24 by: metalresearcher
Mg powder + Li2CO3 => ?? (I tried it) Mixing 0.5g Mg powder + 1g Li2CO3 and putting it in a steel retort which I heated to red hot resulte ...	13-11-2011 at 09:14 by: metalresearcher
Which elements do you have in its pure state ? Nice to read these reactions. @woelen: Where did you get your samples ? It seems they are from ww ...	3-11-2011 at 10:09 by: metalresearcher
Which elements do you have in its pure state ? With this question I mean 98+ % unalloyed, so 18ct gold is not considered unmixed 'elemental gold', ...	2-11-2011 at 13:31 by: metalresearcher
Thermite from Sand : make Silicon Just ordered.	1-11-2011 at 12:41 by: metalresearcher
Thermite from Sand : make Silicon I found this might be a good and cheap source: http://www.ebay.co.uk/itm/500g-high-grade-Manganes ...	1-11-2011 at 11:24 by: metalresearcher
Thermite from Sand : make Silicon According to what I saw yesterday is that the result is incomplete, i.e. not all MnO2 has reacted. M ...	1-11-2011 at 09:54 by: metalresearcher
Thermite from Sand : make Silicon Here I tried 3.1g MnO2 with 1.2g Al. It ignited with Mg ribbon: KClO3 + sugar wrapped in a cigarette ...	31-10-2011 at 12:15 by: metalresearcher
Thermite from Sand : make Silicon Next time I drill a hole in the refractory, put the thermite inro it and cover it with a lid with a ...	31-10-2011 at 09:39 by: metalresearcher
Thermite from Sand : make Silicon In the meantime I already tried the silicon thermite successfully just a small amount (3 grams) in t ...	30-10-2011 at 13:34 by: metalresearcher
Thermite from Sand : make Silicon I found this video http://www.youtube.com/watch?v=73YmP_JSrlU on which the guy showed fine sand (SiO ...	30-10-2011 at 10:14 by: metalresearcher
How are extremely high temperatues measured ? [rquote=225907&tid=17862&author=froot]Off topic but, how would you contain boiling Osmium, I ...	27-10-2011 at 23:38 by: metalresearcher
Why no nuclear batteries in cell phones ? The current generation of batteries in cell phones cannot keep up with the consumption of the smartp ...	26-10-2011 at 09:52 by: metalresearcher
Isotope distribution of Ar: no K-40 in the Sun ? On Earth, most argom is argon 40 as a decay product from K-40. But on the Sun the most abundant isot ...	26-10-2011 at 09:05 by: metalresearcher
How are extremely high temperatues measured ? Looking at boiling point data of Osmium (5027oC), iridium (4827oC) or other even lower boiling trans ...	26-10-2011 at 09:02 by: metalresearcher
Burning speed of KNO3 I did it now with Al powder (600 mesh from ebay) 2 KNO3 + 4 Al + S -> 2 Al2O3 _ K2S + N2 ...	20-10-2011 at 11:56 by: metalresearcher
Suitable material for holding a plasma What about an electric arc furnace using a welder from the hardware shop around the corner ? You wil ...	19-10-2011 at 08:51 by: metalresearcher
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