El 04/01/2011 16:23, Chuck Harris escribió:
[You possibly weren't aware, but denaturing is done 100% for the tax man.
The tax man is happy to let you have your ethanol free of the sin tax,
as long as some poison is added that will kill or maim you, if you drink
it.]
It is really nice - if you defraud the tax-man by drinking that alcohol,
you dead :)
91% and 99% isopropyl alcohol, available from your drug, or grocery,
store
is perfectly suited to cleaning electronic assemblies, such as the
OP's LCD
display connector. It is economical, available everywhere, and works
very
well. The more water in it, the less well it works as a solvent, so
it is
better to start with the 99% variety.
If you are doing critical chemistry experiments, or something where you
absolutely, positively, must have the purest form known to man, with a
traceable provenance, pay the extra money and buy from a chemical
supplier
you trust.
I usually buy it from Farnell, in 1-litre can and in aerosol form, made
by Electrolube. Here is the data sheet
http://www.farnell.com/datasheets/316731.pdf
It claims 99.7% purity, 0.15% max water content (I suspect that the can
quickly exceeds that content once opened...)
Regards,
Javier
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