Mark, what about Methanol? I guess non-reagent grade Ethanol had additives to render it unfit for human consumption. The only Ethanol that I was every able to buy was the sipping grade at the liquer store - usually at 80-90 proof! I worked for the Alabama State Health Labs and we bought the 200 proof stuff from the distilleries in New Orleans in 5 gallon sealed containers. At that purity it was a very clear, pure, reagent grade, and we used it in the labs. Keeping track was a pain because we had the not-to-infrequent disappearace of a liter or so which always would wind up at someones hooch party. One helluva kick. And strictly against the law. John Rodgers 88 GL Driver Marc Perdue wrote: > Grain alcohol is 190 proof, or 95% ethanol. The other 5% is water. The > only ethanol that doesn't have any water is 200 proof. I believe you > can buy it in some FLAPS by different brand names, used for drying out > wet gas. Having said that, all ethanol mixes readily with water; the > higher the proof, the more it can absorb, but grain alcohol would work > in a pinch. You might prefer to drink it though . . . :^) Ethanol > will absorb water readily and not release it unless you boil off the > ethanol (180 degrees F) or run it through some kind of dessicant. The > only feasible way to get rid of that last 5%, going from 190 proof to > 200 proof, is by running it through a good, dry dessicant. > > Former fuel ethanol distiller, > Marc Perdue > > Roger Sisler wrote: > >> hours to get all condensables out.I think any alcohol has water >> already in >> it, except for grain alcohol. >> >> >> > > |
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