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Bromine from KBr, MnO2 and hydrochloric acid My second attempt for making elemental Br2 from these chemicals was rather succesful. However, acco ...	18-11-2012 at 12:37 by: metalresearcher
Distilling HCl I have 10% hardware store grade hydrochloric acid which I want to concentrate to 36%. I can disti ...	21-10-2012 at 03:43 by: metalresearcher
Problem in Chlorate Carbon anodes work well. Using a knifetip of K2Cr2O7 will keep the pH good and the temperature shoul ...	19-10-2012 at 11:03 by: metalresearcher
Does H2CO3 exist ? According to this page http://en.wikipedia.org/wiki/H2CO3 this compound is hard to isolate if at all ...	16-10-2012 at 08:17 by: metalresearcher
What scale is this hydrometer ? I have a hydrometer with a somewhat weird scale. Putting it in clear water it exactly levels to the ...	14-10-2012 at 02:11 by: metalresearcher
Make Potassium (from versuchschemie.de) I also tried this method by using lamp oil and KOH + Mg shavings in it. Heating 2 hours to 200ºC d ...	12-10-2012 at 12:14 by: metalresearcher
Very high boiling point determination: how is it done ? Some elements have extreme high boiling points: Ta: 5400ºC, W: 5800ºC, Re: 5700ºC all hotter than ...	11-9-2012 at 08:46 by: metalresearcher
Which alloy (Au / Cu?) is this ? I have a gold colored chain (color is similar to 18karat gold) and thought that it is not gold. S ...	24-8-2012 at 23:56 by: metalresearcher
Video of spectra of arc melting I made simultaneous video of arc melting metals with two cameras one equipped with a spectroscope. ...	23-4-2012 at 09:28 by: metalresearcher
Where can I get magnesia bricks ? Looking for a furnace chamber for electric arc melting most refractories do not withstand the arc te ...	22-4-2012 at 04:05 by: metalresearcher
Melting MgO with electric arc is EASY !! With an electric welder I made an arc which melted MgO rods like plastic .... <iframe width="7 ...	19-4-2012 at 12:31 by: metalresearcher
Fumigation of hotel premises: is it harmful ? During our stay (my gf and me) in Sanur, Bali we noted that every Saturday at 18:00 the hotel is fum ...	25-2-2012 at 04:10 by: metalresearcher
Making KClO3: cathode gets corroded ? During an electrolyzing session of a saturated solution of Diet salt (2 parts KCl and 1 part NaCl) ...	29-1-2012 at 13:44 by: metalresearcher
KNO3 + candle wax => NO reaction ??? I was just curious. Mixing KNO3 with paraffin candle wax from crushed candles and lighting it. NOTH ...	21-1-2012 at 13:57 by: metalresearcher
Mineral oil with density of 0.9 instead of 0.8? [rquote=233126&tid=18544&author=Mr. Wizard]More double bonded carbons, and longer chain leng ...	14-1-2012 at 00:04 by: metalresearcher
Mineral oil with density of 0.9 instead of 0.8? For potassium separation I am searching for an oil slightly heavier than K metal which has a density ...	13-1-2012 at 13:13 by: metalresearcher
Is 24/40 glassware joint compatible with NS29/32? On [url=http://stores.ebay.co.uk/Labware-Superstore/_i.html?_fsub=375781019]ebay[/url] I found some ...	13-1-2012 at 12:34 by: metalresearcher
Fume hood ventilation is this right ? Now I have for my fumehood duct of 10cm pipe a plastic $20 ventilator which works fine for most expe ...	11-1-2012 at 10:53 by: metalresearcher
Does sodium attack borosilicate glass ? I heated reaction result of NaOH + Mg which contains Na metal under lamp oil to 200-300C in a borosi ...	10-1-2012 at 13:25 by: metalresearcher
Isolating Na metal from NaOH + Mg result ? But then the Na will be in contact with the water at the border, so it will react, so I don't think ...	8-1-2012 at 12:47 by: metalresearcher
Isolating Na metal from NaOH + Mg result ? As I have tried this more times before and posted it here, now I got some sodium metal by reacting N ...	8-1-2012 at 12:10 by: metalresearcher
Bike pump valves suitable for manual vacuum pump ? I try to go under 0.1 bar or even 0.05 bar. I managed once 0.08 bar (water boiled @ 40C) but could ...	8-1-2012 at 09:28 by: metalresearcher
Bike pump valves suitable for manual vacuum pump ? Here I did a new test without a bike valve so I have to close the valve manually at every strike. Bu ...	7-1-2012 at 05:27 by: metalresearcher
Boiling metals Copper and Aluminum I tried to heat these metals in an electric arc to boil them. And it succeeded .... <iframe ...	25-12-2011 at 03:48 by: metalresearcher
KNO3 + Al + other chems: flame color + speed The Al is 600mesh (is that the same as dpi ?) I tried with KClO3 (subgram amounts) and it reacted ...	20-12-2011 at 09:36 by: metalresearcher
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