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Sword Forging! Thats an interesting way to create materials, eg. bragg-mirrors (unpatentable hereby, because mentio ... |
25-3-2009 at 07:59 by: chief |
Sword Forging! @Belle: Are there any real Damascus-swords left anywhere on the world, eg. in Exhibitions/Museums et ... |
24-3-2009 at 06:06 by: chief |
CS2 at Lowerr Cost Shouldn't cheap S2-vapor (from sublimated Sulfur) react with some carbon (from decomposed sugar) und ... |
24-3-2009 at 05:46 by: chief |
What is "Bromel" ? In the Mick-Jagger "Performance"
http://www.youtube.com/watch?v=o-xwMOBtBo4 , at 0:59, a person hol ... |
23-3-2009 at 09:06 by: chief |
separation of iron from iron oxide How to use the powder as anode: Let the bottom of the electrolytic cell be of an iron-plate, if you ... |
21-3-2009 at 12:49 by: chief |
separation of iron from iron oxide You could oxidize the rest of it electrolytically, by using the powder at the ground of some NaCl-ba ... |
19-3-2009 at 17:46 by: chief |
Thoughts On Anodes The bipolar idea I like ! It could be altered like this:
==> use a lot of crushed graphite-piece ... |
19-3-2009 at 11:11 by: chief |
calcium hydroxide >> calcium oxide? The standard technological way is to heat the Ca(OH)2 to 900 [Cels], whereby it decomposes . |
19-3-2009 at 10:59 by: chief |
Fuel-Air Explosives If my above theory would be wrong and the fuel _could_ undergo detonation even from ignition by nume ... |
18-3-2009 at 10:52 by: chief |
Fuel-Air Explosives Those 300 g of ignition-charge are quite much -- it's not a clean fuel-air-explosive then, but a 300 ... |
18-3-2009 at 10:44 by: chief |
Walkaway synthesis / safest material Even a standard refrigerator (deep-cooler) will go to -34 [Cels] if the temp-regulation is disabled ... |
15-3-2009 at 13:14 by: chief |
Far UV source for viewing TLC plates Wtih the specialty of the inner-tubing of high-pressure-mercury-bulbs beeing of _quartz_glass_, whic ... |
15-3-2009 at 03:21 by: chief |
Far UV source for viewing TLC plates One could smash the outer bulb from a standard Hg-vapor-bulb ; it has 2 bulbs: The outer one, with s ... |
14-3-2009 at 23:53 by: chief |
cinnamon oil vs. cinnamon aldehyde What uses has the eugenol ? I only found something about synthesizing vanilline (by oxidation with K ... |
14-3-2009 at 15:15 by: chief |
Fuel-Air Explosives The world _can_ produce way more than it does -- as seen from the EU: Everything agricultural is reg ... |
14-3-2009 at 15:05 by: chief |
cinnamon oil vs. cinnamon aldehyde I bought myself some "100 % Oil from cinnamon leaves", but it fails to have the characteristic high ... |
14-3-2009 at 06:37 by: chief |
Walkaway synthesis / safest material I was reasoning that the H2SO4 could just stay in place, to destroy everything if the charge somehow ... |
13-3-2009 at 15:59 by: chief |
Fuel-Air Explosives @497: Maybe then sugar could be used: It gives no ash, and can be simply crystallized to that purity ... |
13-3-2009 at 12:50 by: chief |
Walkaway synthesis / safest material First: I'm not doing it, I'm just asking the opinions of all the knowing people here ...
Wouldn't ... |
13-3-2009 at 11:17 by: chief |
Fuel-Air Explosives One could use a coffee-mill with a built-in spark-plug to test for dust-explosions: The mill will cr ... |
13-3-2009 at 10:51 by: chief |
Permanganates Question: The electrolysis from manganate to permanganate:
==> Can it be done with PbO2-Anodes ... |
13-3-2009 at 10:38 by: chief |
Space groups and equivalent positions The KarlsRuhe ICSD is only with a limited subset of 3000 (out of 100 000) compounds usable without c ... |
12-3-2009 at 14:14 by: chief |
Space groups and equivalent positions Has anyone the CCSD (Cambridge Crystal Structure Database) as a download at hand ? |
12-3-2009 at 09:04 by: chief |
Antimony analog of Paris Green? Well: Why not use Copper-Chlorate ? Just from Ba(ClO3)2 + CuSO4 ==> BaSO4 (ppt) + Cu(ClO3)2 ...
... |
10-3-2009 at 12:29 by: chief |
Self-made BaFeO4-capacitors I made a stupid mistake above: I talk about BaFeO4, the ferrate ... (I'm gonna try to correct it now ... |
9-3-2009 at 13:35 by: chief |
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