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Had a small fire in the lab this evening... was making ether of all things. ....... It is a pity that explosion-proof fans are so expensive. Amateur scientists need to come up ...	26-3-2007 at 12:17 by: bio2
Using [Cu(Cl)4]2- to activate Al for reductions .....A silly question perhaps - but did you try MeNO2 on Al/NaOH on its...... Methylamine produc ...	25-3-2007 at 22:08 by: bio2
Suitable Membrane/Diaphram for DIY Electrochemical Cell? Hi quality maintenance free auto batteries have the electrodes encased in bags (membranes) made of ...	23-3-2007 at 12:33 by: bio2
Determination of mol sieves pore size? You have to specify Absolute Alcohol when buying "dry" ethanol reagent grade, otherwise you get th ...	19-3-2007 at 15:31 by: bio2
How to glue polyethylene together .....PE plastics can be cemented together using epoxies, but the surface of the plastic must be trea ...	11-3-2007 at 16:23 by: bio2
Amines in Acid/base extraction .......1) Methylamine was dissolved in pure water. After few NaOH additions there showed up somethin ...	26-1-2007 at 10:00 by: bio2
Acetaldehyde synthesis Magpie, that's an interesting looking heating mantle you've got there. Did you make it yourself ...	24-1-2007 at 18:16 by: bio2
hot champagne bottle + 26 psi One of those lace up beaker type heating mantles. would be ideal. A slow cooker could also be disma ...	24-1-2007 at 13:19 by: bio2
The Stupidity of Certain Chemical Bans Would you mind telling us from what region of Draconia you are from, Boomer?	24-1-2007 at 11:01 by: bio2
bitter almond benzaldehyde So after all these years of discussing PhCHO from bitter almond extract or diluted flavoring has a ...	23-1-2007 at 11:20 by: bio2
Effectiveness of hexane as a solvent for benzaldehyde. Hexanes are about as inert as it gets.	22-1-2007 at 11:53 by: bio2
Ace Glass 5225 Adapter, Distilling Trap? When simple distilling it is often the case that a much higher boiling component of a mixture will ...	21-1-2007 at 23:44 by: bio2
Effectiveness of hexane as a solvent for benzaldehyde. It will work fine but has maybe half the dissolving power as benzene or toluene so use more.	21-1-2007 at 21:55 by: bio2
Ace Glass 5225 Adapter, Distilling Trap? Also can be used as fractionating bulb, anti-entrainment separator and steam/condensate trap. Sim ...	21-1-2007 at 21:44 by: bio2
Extraction problems. ......Aluminium hydroxide dissolves to form the aluminate if you add even more NaOH........... Th ...	19-1-2007 at 21:06 by: bio2
Hotplate/Stirrer ......What thread was that in? I'd be interested in knowing how well that type of setup would work.. ...	19-1-2007 at 20:59 by: bio2
cheap vacuum pump that can get down to 17 torr .....if I could adapt the manometer off a wall-mounted sphygmomanometer............. I suppose yo ...	19-1-2007 at 20:52 by: bio2
Rubber Rocket Propellant? I've noticed the rubber stoppers that are quite hard and tan colored are more resistant than the b ...	19-1-2007 at 16:35 by: bio2
Method to "calibrate" a dimmer for heating mantles? ...... the need to "calibrate" any kind of a voltage regulator for a heating mantle......... All ...	18-1-2007 at 20:30 by: bio2
Where to buy an AC compressor? A small rotary vane vacuum pump like the 1.2CFM Robinair unit is less than $200 which is probably l ...	18-1-2007 at 17:55 by: bio2
methylamine I see. Try a stainless steel large strainer turn it upside down and a round bottom flask can be use ...	18-1-2007 at 17:46 by: bio2
methylamine Magpie, How did you make the flask support for the triple neck I see on the hotplate?	18-1-2007 at 13:44 by: bio2
THC Solvent Extraction Patent ? ....... I don’t know of any OTC source of hexane,.......... White Gas solvent at the hardware s ...	18-1-2007 at 12:46 by: bio2
vibrating separatory funnel technique Clever idea. I usually use the long thin rod approach to stuck bubbles but have spent plenty of ...	18-1-2007 at 11:59 by: bio2
Method to "calibrate" a dimmer for heating mantles? There has been discussion by me and others on this so do a search. The dial can be calibrated i ...	18-1-2007 at 09:53 by: bio2
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