[CentOS] died again
warren at etr-usa.com
Thu Dec 5 04:00:25 UTC 2013
On Dec 4, 2013, at 1:22 PM, Michael Hennebry <hennebry at web.cs.ndsu.nodak.edu> wrote:
> On Wed, 4 Dec 2013, Warren Young wrote:
>> At $11 for a couple of
>> tiny bottles, both of which you have to use together, it's another 2-3x
>> more expensive than tape head cleaner.
> For me, the bottom line is how much it will cost
> to clean *one* CPU/heat spreader combination.
Because I always have a Menda bottle full of high-purity alcohol on the electronics bench, I find many uses for it.
If I had to drive to Radio Shack every ounce or so to get a refill, I would doubtless not bother for most jobs.
>> 100% is possible if you synthesize it
> I'm not sure what you mean by synthesize in this context.
I mean assemble the molecules from bulk quantities of their constituent elements. :) Chemical engineering.
As my measurement data in the post I just sent hints, there are serious practical problems -- aside from the direct economic ones -- that restrict the utility of such high-purity alcohols. There's probably no point using it outside a cleanroom. Dust on the glassware will wreck the purity rating otherwise.
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