[time-nuts] Completely OT: Removing electrolytics of leakingcapacitors from a pcb
Ulrich Bangert
df6jb at ulrich-bangert.de
Thu Jan 20 08:49:45 UTC 2011
Gentlemen,
thank you very much for your help. Now I know where to start from (Vinegar).
DI water is perhaps within my reach but high temperature vaccuum baking
surely not. I will inform you how i procede.
Best regards
Ulrich Bangert
> -----Ursprungliche Nachricht-----
> Von: time-nuts-bounces at febo.com
> [mailto:time-nuts-bounces at febo.com] Im Auftrag von Neville Michie
> Gesendet: Donnerstag, 20. Januar 2011 03:52
> An: Discussion of precise time and frequency measurement
> Betreff: Re: [time-nuts] Completely OT: Removing
> electrolytics of leakingcapacitors from a pcb
>
>
> Acetic acid is volatile, that is why it is smelly. White spirit
> vinegar is fairly pure,
> while other types of vinegar have flavourings, sugars, salt and
> residues.
>
> That is good, because when you have finished cleaning up
> the final traces will evaporate into the air.
> Most other acids are non-volatile and the traces remain
> forever. That is not true for hydrochloric acid, which is
> volatile but it is
> very corrosive
> and will cause any iron in the room to rust.
> Ammonia is a volatile alkali, good for neutralising acids to
> soluble salts, and it is volatile so traces after clean up evaporate.
>
> cheers, Neville Michie
>
> On 20/01/2011, at 12:37 PM, Philip Pemberton wrote:
>
> > On 19/01/11 14:57, Poul-Henning Kamp wrote:
> >> Try a mild acid like citric (lemon-) or citric (vinegar).
> >
> > Vinegar would be acetic acid, the same stuff that's used in
> > photographic stop bath (although there are some 'non-smelly'
> > variants based on citric acid).
> >
> > </pedantic-comment>
> >
> >
> > --
> > Phil.
> > lists at philpem.me.uk
> > http://www.philpem.me.uk/
> >
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