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PolfaJelfa
Guest
Its a long story. Some things i cant write publicaly here.
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PolfaJelfa
Guest
I will let you know how the "experiment of reducing ba goes"
shamrock11
New member
Ok well you see ulter if you look in the merck index you will see that benzyl alcohol's boiling point is 205 degrees celsius not fahrenheit. If you can do math that turns in 400 degrees fahrenheit. Here is a link to prove my point http://chemfinder.cambridgesoft.com/result.asp. Oh! and one more thing I do not have to have done this before to know what I am talking about I know chemicals and I know their properties period. You nhave no idea about my back ground so please keep your mouth shut about what I do and do not know.
trenfan2
New member
shamrock11 said:
I'd just like to point out that the discussion is about "EVAPORATING" off the BA, not boiling. As you surely know as a chem major or whatever, you don't need to be anywhere near BP to have evap. Just wanted to clear that up before you go spouting off at people who are trying to help.
Tux
Well-known member
True, increasing temp will greatly increase rate of evaporation, even if it's still nowhere near the boiling point. All that happens is the % of BA molecules with sufficient energy to escape into vapor phase goes up. As long as you have a pin in the vial to vent this newly-evaporated BA, the concentration of BA in the gear will go down. No idea how long it actually takes though, haven't had to try it in a long time. Would kick ass if someone could come up with a rough estimate of how long it takes to evaporate, say, 1ml of BA at 250F. Not sure whether or not the BA being dissolved in the oil carrier would slow it's evaporation, but a rough estimate would still give people a good idea of about how long it will take to reduce their concentration by any given amount. Hmm... maybe I'll try this tonight if I get bored.
Your background doesn't mean squat if you are arguing against the experience of people who have used this method for years. The boiling point of BA has nothing to do with it's evaporation so why do you insist on bringing it up. It will evaporate just sitting on a table.shamrock11 said:
Tux
Well-known member
Chemically speaking, yes it will evaporate the BB, and the oil, and even the gear. A slab of metal sitting on the ground will evaporate too, just infinitesimally slowly. The difference is the relative rates of evaporation. BA, as an alcohol, is highly volatile, so it will evaporate very quickly. I don't know how volatile BB is, but it's not an alcohol so I doubt the same procedure will work quickly enough to be of any use. Also, too much BB isn't usually a problem.
JustGottaKnow
New member
I keep hearing about pins and venting. What about the spoon method? It's simple, I've used it. I bought a stainless steel tablespoon and heat it on low to med low depending on the stove until you begin to see some white smoke come off. Supposedly, that's the BA. No need to vent using a spoon.
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