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Homebuilt 1300°C tube furnace I got 30 meters of 1mm Kanthal A1 wire for $36 via ebay and rewired my furnace with it. http://sh ...	21-6-2011 at 12:32 by: metalresearcher
Puirifying gold from old jewelry Once I got rather pure gold from discarded 14 carat jewelry by: - Dissolve in aqual regia - Prep ...	21-6-2011 at 03:46 by: metalresearcher
how many females here I think very little. By 2005 I had a girlfriend who is a lab assistant in a secondary school and had ...	20-6-2011 at 00:44 by: metalresearcher
Infrared thermometer to 1600oC : some experiences ? On ebay I found this thermometer [url]http://shop.ebay.com/i.html?_dlg=1&_jgr=1&LH_PrefL ...	19-6-2011 at 11:06 by: metalresearcher
Cigarette burning wih KNO3 After my girlfriend quit smoking I used her last cigarettes by soaking them into a saturated solutio ...	4-6-2011 at 05:04 by: metalresearcher
No F2 in element webshops : why ? On several webshops like www.elementsales.com or www.smart-elements.com samples of evenry element ti ...	31-5-2011 at 01:21 by: metalresearcher
Making CS2 from charcoal and sulfur ? I have done before but couldn't find a suitable thread.	16-4-2011 at 23:35 by: metalresearcher
Making CS2 from charcoal and sulfur ? More than 10 years ago I prepared some CS2 vapor when I heated powdered charcoal and sulfur in a bor ...	16-4-2011 at 13:13 by: metalresearcher
Periodic table has actually no more than 98 elements I don't consider Cf or all radioactive elements as unreal but only those which are made in 'few atom ...	15-4-2011 at 23:29 by: metalresearcher
Periodic table has actually no more than 98 elements Currently, about 118 elements are discovered but the last 20 can exist only a few milliseconds or ev ...	15-4-2011 at 13:01 by: metalresearcher
Bike pump valves suitable for manual vacuum pump ? I bought a hand-operated vacuum pump with a transparent platic bell on a flea market for $5. It con ...	15-4-2011 at 11:45 by: metalresearcher
Cellulose with KNO3 and KClO3 : the differences Here I tried face cleaning pads of cellulose with nitrate and chlorate. <object width="425" h ...	1-4-2011 at 12:57 by: metalresearcher
KNO3,P, charcoal mixture Just tried the following mixtures (1-2 grams): - KNO3 + S : needed a Bunsen burner to ignite: VERY ...	28-2-2011 at 14:12 by: metalresearcher
Drilling holes in silicone stoppers succeeded After failed earlier attempts, today I finally got it: drilling a hole for glass tubing into a silic ...	27-2-2011 at 12:58 by: metalresearcher
Make Potassium (from versuchschemie.de) I think that inducing the reaction requires a higher temp. Heating it to 500-600 C induces a quick r ...	21-2-2011 at 11:28 by: metalresearcher
Make Potassium (from versuchschemie.de) Another try of my experiment: I heated the beaker in a sand bath and kept it at 190 C (to prevent ...	19-2-2011 at 03:20 by: metalresearcher
Make Potassium (from versuchschemie.de) [rquote=201979&tid=14970&author=blogfast25]Metalresearcher and condennsa: Both of you wil ...	17-2-2011 at 12:11 by: metalresearcher
HCl gas from H3PO4 + NaCl In aqueous solution it will work too (but not as good) as the solubility of Na3PO4 is much lower tha ...	17-2-2011 at 05:19 by: metalresearcher
Make Potassium (from versuchschemie.de) UPDATE: I emptied the beaker of my previous experiment from amp oil and found the KOH was sticked ...	16-2-2011 at 13:33 by: metalresearcher
Make Potassium (from versuchschemie.de) I tried with a small 100ml beaker in a pan with sand heated by a bunsen burner. On top of it I put a ...	16-2-2011 at 11:46 by: metalresearcher
chlorating paper No the paper won't be oxidized, unless you dry the filters (for filtering off the solids like anode ...	16-2-2011 at 04:18 by: metalresearcher
Make Potassium (from versuchschemie.de) [rquote=200849&tid=14970&author=condennnsa]Well I had my first try at this. I added 50 ml v ...	15-2-2011 at 23:56 by: metalresearcher
KOH + Mg turnings => potassium metal ? I tried in a steel tube of 25mm diameter and 50mm length and squeezed and weklded together on one si ...	15-2-2011 at 13:20 by: metalresearcher
Soooodddddiiiiiuuuummmm! I think making Na chemically by heating Na2CO3 + 2 C => 2Na + 3CO is easier. Put the reactants in ...	14-2-2011 at 02:04 by: metalresearcher
LED Dangers - Unbelievable Paranoia! But why is China increasing its CO output so fast ? Right because of that 70% of Chinese products ...	13-2-2011 at 04:54 by: metalresearcher
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