Re: Soluability/Safety issue

"rfgdxm/Robert F. Golaszewski" <[EMAIL PROTECTED]> wrote in
message news:[EMAIL PROTECTED]
> Charos wrote:
> > Hey all, I was curious about the safety of using Isopropyl alcohol for
> > measuring means rather than Ethanol.  I find that using vodka
> > (besides being somewhat expensive) tends to take some time to
> > evaporate in order to get a measured dose of powder thanks to the
> > added water aspect of it.  I was wondering if I used the same amount
> > of Isopropyl alcohol if that would be any more effective as it tends
> > to evaporate almost immediately.  I tried a similar amount of vodka
> > and rubbing alcohol spread out on a plate and the rubbing alcohol
> > evaporated within a couple of minutes while the vodka took well over
> > 1 and a half hours.  Not to mention I can buy a small bottle of
> > rubbing alcohol for MUCH cheaper than I would pay for a bottle of
> > Vodka. I'm using this for DPT, I was curious as to whether DPT would
> > be soluble in rubbing alcohol (I'm assuming so as it's soluble enough
> > in water)...and beyond that whether it's safe to use as a medium to
> > measure doses.  Will there be any noticeable residue left behind?
> > Any other safety issues?  Of course I would ensure that ALL liquid
> > was entirely evaporated before collecting the crystals left behind so
> > as to minimize any of my research subjects insufflation of unknown
> > substances.  Thanks for any help... :)
>
>    This is safe *so long as you use pure isopropyl alcohol*. Which often
> isn't the case for "rubbing alcohol."

Really?  I didn't know this...what other additives do they put in rubbing
alcohol...I know that some preparations are 70% or so, but I just assumed
the addition of water... :)

-- 
*+_Charos_+*

http://noun.org/andrew.html

"He is a thinker; that means, he knows how to
make things simpler than they are."
--Nietzsche