Anyone have a spare Apple IIgs power supply?
tothwolf at concentric.net
Fri Dec 12 15:02:17 CST 2014
On Fri, 12 Dec 2014, Charles wrote:
> On Dec 12, 2014, at 11:44 AM, Peter Corlett <abuse at cabal.org.uk> wrote:
>> On Fri, Dec 12, 2014 at 10:15:28AM -0500, Sean Caron wrote:
>>> I'm not sure what the formulation was in the past but denatured
>>> alcohol nowadays is just ethanol with maybe 5-10% methanol added. You
>>> definitely shouldn't be drinking it (in vivo, methanol is metabolized
>>> to formaldehyde via oxidative reduction - formaldehyde attacks the
>>> optic nerve - which is why drinking wood methanol makes you go blind)
>>> but other than that, I wouldn't say it's particularly more harmful to
>>> you, boards or components than isopropanol is. You wouldn't want to
>>> drink that, either!
>> Wikpedia references EU Regulation 162/2013, which gives the various recipes
>> across the EU:
>> Taking a random sample from a few different countries, the basic recipe
>> seems to be 1% mixed crud to make it unpalatable, up to 10% methanol,
>> and the rest ethanol. The ethanol and methanol will evaporate readily
>> enough, but I'd be somewhat concerned about residue left from
>> non-volatile components of the 1%.
>> It's not like isopropanol is terribly expensive or difficult to get
>> hold of. I can order ten litres of it from Amazon £28.66 with free
>> delivery. If anything, it seems to be slightly cheaper than meths.
> just just acetone… it works the best anyways.
Sure...if you want to dissolve the epoxy substrate, any number of plastic
or rubber-like compounds (capacitor end seals, anyone?), or the enamel
coating on magnet wire...
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