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The Bogus Science (BS)Of 'Explosive SuperThermite' Here is an interesting article for the pyromaniacs out there. Any comments? The Bogus Science (B ...	4-8-2007 at 20:32 by: bio2
methylene chloride resistance Gasoline cans of HDPE are available with a fluoropolymer liner which eliminates most of the vapor pe ...	4-8-2007 at 13:03 by: bio2
methylene chloride resistance DCM and chloroform will very gradually diffuse through HDPE & PP bottles. So will acetone, benz ...	3-8-2007 at 12:37 by: bio2
dean stark trap advice It doesn't matter as long as it fits with the other apparatus. A good reflux type condensor like an ...	2-8-2007 at 19:06 by: bio2
hot champagne bottle + 26 psi Maybe the magnet would balance on the indent if it's not too far from the stirrer. Probably not ...	2-8-2007 at 11:53 by: bio2
Behavior of pressure and temp in a sealed vessel Combustion tubes (glass) like the ones intended to be sealed with a flame have constricted necks and ...	1-8-2007 at 21:34 by: bio2
Feeling like a kid in a candy store... I'm officially in biz. I got an open account some years ago with VWR by making friends with their regional sales representa ...	1-8-2007 at 16:53 by: bio2
Aluminum reduction of water Do you mean that deoxidized Al will remove the oxide layer from oxidized Al? This is news to me.	30-7-2007 at 11:45 by: bio2
Behavior of pressure and temp in a sealed vessel .......now to figure my partial mixture pressures ........... There is more than a little "voodoo ...	28-7-2007 at 19:10 by: bio2
Behavior of pressure and temp in a sealed vessel The pressure is proportional to the vapor pressure of the solvent and the relative volatility/boili ...	28-7-2007 at 16:08 by: bio2
How to live a long time Sorry John but it's probably too late, lol. This from Wikipedia was news to me. .............. ...	24-7-2007 at 14:03 by: bio2
How to live a long time According to some Hindu Yogi philosophies the length of life is determined by the number of breaths ...	23-7-2007 at 20:48 by: bio2
Way to propionic acid? Propionates inhibit spoilage in certain foods. Specifically it is used as a mold inhibitor in bak ...	23-7-2007 at 19:56 by: bio2
Ethyl Formate Ethyl Formate has similar volatility to acetone and is not difficult to store. I have some of the ...	21-7-2007 at 11:40 by: bio2
Very stubborn stain in a flask Your photo of the flask looks like a severe case of etched/ frosted glass such as is caused by prol ...	19-7-2007 at 14:38 by: bio2
I just took the plunge and incorporated... .........."one small hurdle might be trade references, but at least the process is started! "....... ...	12-7-2007 at 19:14 by: bio2
Flying stoppers... ....."And, erm, yes, I have had them hit the ceiling...then fall onto the apparatus and destroy it ( ...	6-7-2007 at 21:28 by: bio2
purify acetic acid Check one of my old posts on using the urea adduct of >60% Acetic Acid to get the Glacial.	5-7-2007 at 15:35 by: bio2
hybrid pump/vane pump questions... Also I would mention that when a 2stage rotary vacuum pump gets laden with solvent that the oil leve ...	5-7-2007 at 13:46 by: bio2
Explosive Residue Testing ........"All told it took about 2 to 3 minutes for the extra security to run it's course."......... ...	5-7-2007 at 13:02 by: bio2
hybrid pump/vane pump questions... No, I meant the reaction pot but that's actually quite a good idea. Clean, solvent contaminated va ...	5-7-2007 at 11:43 by: bio2
Explosive Residue Testing Found this on the subject. Apparently a mass spectrometer is used. So per this info the driver wo ...	4-7-2007 at 19:50 by: bio2
hybrid pump/vane pump questions... For that temperature range even an ice trap is sufficient as long as the vacuum is adjusted so tha ...	4-7-2007 at 11:31 by: bio2
Help with bursting flasks-overpressure,bad mainteinance or bad qualtiy Maybe if you heat more slowly with a bath or shield this will help. At any rate the pressure rat ...	3-7-2007 at 21:04 by: bio2
Explosive Residue Testing This from the London panic in the last couple of days. ......"Commuters driving into Canary Wharf ...	3-7-2007 at 20:12 by: bio2
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