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mixing batches ... Options
 
stolenface
#1 Posted : 4/19/2012 1:35:27 AM
can saturated heptane be mixed from two seperate batches for a freexe precipitation? so that all your pulls can be precipitated at once?
is it - 7 hits or dosing 7 times ..... Either way I lost count along time ago, and Just type/Speak without a filter.... All of this is just one big tasty 'word salad'......
 
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#2 Posted : 4/19/2012 1:39:20 AM
Sure, why not? Though you may benefit from evaporating down a volume of the combined solvent, as it's probably not supersaturated. Will make life easier when freeze precipitating, cause some of the goods will likely not drop out at a certain equilibrium.

Try combining all your questions in one thread next time too, so we can boil em down and answer em in one go Pleased
 
acolon_5
#3 Posted : 4/19/2012 2:39:12 PM
ballzdeep1 wrote:
can saturated heptane be mixed from two seperate batches for a freexe precipitation? so that all your pulls can be precipitated at once?



Sure you can....but my questions is why you are using heptane for pulls? Save that expensive stuff for recrystalizations!
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I am certifiably insane, as such all posts written by me should be regarded as utter nonsense or attempts to get attention.

I don't know SWIM and personally don't trust him at all. If SWIM is posting, most likely I will not respond...as I said, I don't trust the guy. YOU I trust, but never SWIM.
 
stolenface
#4 Posted : 4/19/2012 7:44:38 PM
no access to naptha- southern CA!!! i actually did notice that the store does carry xylene which i havent been able to find as well ....
is it - 7 hits or dosing 7 times ..... Either way I lost count along time ago, and Just type/Speak without a filter.... All of this is just one big tasty 'word salad'......
 
 
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