Anyone have a spare Apple IIgs power supply?

Sean Caron scaron at umich.edu
Fri Dec 12 15:03:56 CST 2014


I thought he was joking? I hope nobody would use acetone! LOL

Best,

Sean


On Fri, Dec 12, 2014 at 4:02 PM, Tothwolf <tothwolf at concentric.net> wrote:

> 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:
>>> http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=
>>> OJ:L:2013:049:0055:0061:EN:PDF
>>>
>>> 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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