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Need help with vacuum distillation setup... If you intend to distil corrosives then a metal body pump needs protection and will die quickly anyw ...	2-10-2009 at 12:04 by: Contrabasso
anyone want to make a 'little' profit? Could also be used for gas phase catalysis. I understand that SO2 to SO3 is done over a platinum cat ...	29-9-2009 at 12:48 by: Contrabasso
Nitric acid - commercial sources Availability depends on the country in which you live! 35% nitric in used as pH down in some Hydropo ...	23-9-2009 at 09:38 by: Contrabasso
Potassium Nitrate For Rockets DTF I know lots of places that will sell you KNO3 almost no questions asked bar how you will pay! Tr ...	9-9-2009 at 14:14 by: Contrabasso
Fume cupboard motor OK I'll let this forum debate the venturi principal! Take a cheap air moving fan and direct it in ...	6-9-2009 at 04:03 by: Contrabasso
Platinum coated objects A wire electrode of reasonable length will erode badly at the current connection end. This is due to ...	6-9-2009 at 03:04 by: Contrabasso
Aspirator/Water outlet for home There is a UK lab supplier doing a polypropylene filter pump for about £12 and a couple of other f ...	6-9-2009 at 02:41 by: Contrabasso
Construction of a blast box Better to create a shield to protect you from debris and blast but small enough NOT to constrain the ...	25-7-2009 at 02:17 by: Contrabasso
Problems getting a decent vacuum from aspirator station What is the pump developing in terms of pressure and flow rate. You will probably need 1 - 2 bar and ...	7-7-2009 at 11:47 by: Contrabasso
condenser pumps Bilge pumps for small boats will be 12 or 24vDC and will likely be suitable for submerged running. O ...	30-6-2009 at 12:01 by: Contrabasso
The Synthesis of Sulfur Trioxide and Oleum: the vanadium (V) oxide-catalyzed method Some asides! Great work for making it possible. I'd been thinking of fabricating a glassware ve ...	24-6-2009 at 11:12 by: Contrabasso
carbon tetrachloride fire extinguishers Several patterns of carbon tet extinguishers had a T handle -this was for a pump that simply manuall ...	4-4-2009 at 02:29 by: Contrabasso
Ice bath cooled by Peltier devices Peltier devices do work! BUT need to be within close limits as they actually have little thermal pow ...	17-3-2009 at 11:57 by: Contrabasso
Gold from dental fillings http://jdr.sagepub.com/cgi/reprint/48/6/1284 Gives Au as 70 - 95% Pd and Pt each as up to 5% a ...	14-3-2009 at 14:22 by: Contrabasso
Lead chamber volume Looking at developing Axehandle's work, What is a reasonable volume of "lead" chamber to use in a ho ...	4-3-2009 at 10:18 by: Contrabasso
help with diminshed pressure distillation You need to ensure that the pressure is low enough for the HNO3 to come over without decomposing, yo ...	23-2-2009 at 11:27 by: Contrabasso
looking for Carbazole in the UK Does Carbazole have an OTC existance? I could be looking for a Kilo.	17-2-2009 at 04:47 by: Contrabasso
explosive forming with water I think that would be very popular if you could post or link video and texts please	2-2-2009 at 12:02 by: Contrabasso
fan selection for homemade fumehood - help Depends where you are! The cheapest fans come from surplus shops or demolition skips. The best fans ...	29-1-2009 at 11:58 by: Contrabasso
Caesium (cesium) wanted in the UK I have a small development project that will need a few grams of caesium salts. Can anyone recom ...	25-1-2009 at 02:47 by: Contrabasso
Nitric Acid Synthesis Vacuum! I have seen a scheme whereby an aspirator is fed by a waterpump recirculating a reasonable ...	15-1-2009 at 11:30 by: Contrabasso
The Neste process: second generation biodiesel The process that you chose for converting vegetable oil to diesel fuel replacement, is irrelevant! W ...	11-1-2009 at 02:12 by: Contrabasso
Homemade Furnace Well I have a UK supply for refractory kiln building cement if you are in the UK he will dispatch.	4-1-2009 at 05:02 by: Contrabasso
S.G. Balls Long ago I had a small lead acid battery that showed it's state of charge by assorted balls floating ...	17-12-2008 at 12:25 by: Contrabasso
New High School Teacher looking to outfit a classroom Rather than a list, my idea is: Look at past practical exam papers and have enough kit for all your ...	8-12-2008 at 14:48 by: Contrabasso
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