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m1tanker78
National Hazard
Posts: 685
Registered: 5-1-2011
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Quote: Originally posted by Upsilon  | | Wait, dimethyl sulfoxide is marked as polar and aprotic, and is readily available for quite cheap. Is there a reason this isn't used?
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For alkali metal production? Unfortunately this doesn't work. I've tried and another member (bromic_acid IIRC) has tried and reported failure. A
reaction can be observed just dropping a piece of sodium or potassium into DMSO.
I came close to attempting synthesis of ethylene carbonate by reacting ethylene oxide with CO2. I set everything up for a small scale and then
chickened out and aborted. Ethylene oxide is nasty and extremely flammable and/or explosive. No thanks!
Chemical CURIOSITY KILLED THE CATalyst.
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Upsilon
Hazard to Others
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Registered: 6-10-2013
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Well I'm not going to give up on making PC. I need to know what exactly is responsible for tar formation - is it due to reaction with the air?
Improperly calcinated ZnO? Both? I am willing to build a crude vacuum apparatus from PVC pipe if needed (it would just be a cylinder, NOT a
distillation apparatus), but will ammonia gas be harmful to an electric vacuum pump? For separating the PC from unreacted PG I am going to try
electrolysis of alkali salts in it to react with the PG.
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