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Chemical way to make Calcium metal ? I already tried these reactions but no Ca metal is formed. Only CaS as when keeping the residue outd ...	8-9-2014 at 10:05 by: metalresearcher
Furnace running on Natural gas reaches 1500 C Today I tested a (really small) furnace made for propane use with a homemade natural gas burner with ...	7-9-2014 at 12:14 by: metalresearcher
Where is YTONG made from ? I have been using this excellent construction material for high-temperature lab applications althoug ...	7-9-2014 at 05:29 by: metalresearcher
Chemical way to make Calcium metal ? For Na and K I know chemical methods (although tedious because of air exclusion from the retort), bu ...	7-9-2014 at 04:50 by: metalresearcher
Another nail in the coffin of home chemistry (UK) [rquote=344314&tid=33097&author=woelen]IIRC ammonium perchlorater already is covered by othe ...	5-9-2014 at 11:40 by: metalresearcher
Best-smelling chemicals The 'typical' odor of ethanol. Of which I mean, the odorant of lens cleaning 96+% ethanol. I thin ...	5-9-2014 at 09:53 by: metalresearcher
Crucible Furnace Concept You mean two crucibles around each other like this (quick and dirty) sketch ? Seems a nice idea, bu ...	2-9-2014 at 12:38 by: metalresearcher
Crucible Furnace Concept [rquote=342489&tid=32813&author=careysub] If instead of a plinth (crucible base) and outer ...	2-9-2014 at 11:09 by: metalresearcher
Another nail in the coffin of home chemistry (UK) [rquote=343961&tid=33097&author=Magpie]I don't see how banning these OTC chemicals is going ...	2-9-2014 at 10:04 by: metalresearcher
Molten salt NaCl battery Well, it is not that easy. NaCl melts at 801ºC and can be mixed with CaCl2 (as it happens in indust ...	12-8-2014 at 08:34 by: metalresearcher
Different Al grades for Thermite ? [rquote=341261&tid=32483&author=blogfast25]For one, it's a rather poor comparison you're mak ...	11-8-2014 at 11:00 by: metalresearcher
Different Al grades for Thermite ? Here the two bags of Al. The first photo is the 'white one' got via eBay from a UK supplier, the ...	11-8-2014 at 08:46 by: metalresearcher
Different Al grades for Thermite ? After some time I experimented again with Thermite. I have two batches of Aluminum powder, a dark ...	10-8-2014 at 11:43 by: metalresearcher
Li battery fire crashed MH 370 ? On CNN I found an interesting article: http://edition.cnn.com/2014/03/25/opinion/adcock-flight-37 ...	27-3-2014 at 00:16 by: metalresearcher
Why is there no such compound as H3NO4 ? Of other two group 15 nonmetal elements the main oxoacids are: Phosphoric Acid: H3PO4 Arsenic Ac ...	22-3-2014 at 01:00 by: metalresearcher
Planet Mercury: Sodium and Oxygen in thin atmosphere ? According to Wikipedia: https://en.wikipedia.org/wiki/Mercury_%28planet%29 [quote] Atmosphere: S ...	29-1-2014 at 04:15 by: metalresearcher
Propane burner smell Sometimes when I use my blowtorch (e.g. when it is in a small furnace just started and the lid is cl ...	27-1-2014 at 12:14 by: metalresearcher
Potassium hydroxide vs. glass Really ? I thought KOH is more aggressive towards glass than NaOH.	1-1-2014 at 13:01 by: metalresearcher
Make SO3 by oxidizing SO2 with KClO3? Well, I thought about a setup with burning sulfur and leading the resulting SO2 over (molten) KClO3 ...	17-12-2013 at 12:49 by: metalresearcher
Making nitric acid But now the question arises : how can one get Ca(NO3)2 ? Is it available in house / garden stuff?	6-12-2013 at 13:56 by: metalresearcher
What some interesting dangerous chemicals? [rquote=309523&tid=27578&author=kristofvagyok] And the best from the odorous compounds: [ ...	1-12-2013 at 13:26 by: metalresearcher
What some interesting dangerous chemicals? What about ClF3 ? The Nazi Germans had a secret factory of this chemical in [url=https://en.wikip ...	1-12-2013 at 12:28 by: metalresearcher
Synthesis of calcium carbide with electric arc @bfesser: Yes, I try to improve the process. The lime I used turned out to be slaked lime Ca(OH)2. ...	30-11-2013 at 13:56 by: metalresearcher
Synthesis of calcium carbide with electric arc Well here I did a test of the chunks into water and got a nice acetylene flame ! <iframe width ...	30-11-2013 at 10:46 by: metalresearcher
Flash Powder with KNO3 I tried it with turnings see this video: https://www.youtube.com/watch?v=9p2nyOn_CAc I tried w ...	29-11-2013 at 12:05 by: metalresearcher
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