Re: Electrolytic caps and Apple analog circuits (semi on topic)

["jsnospam@cimmeri.com" <js@cimmeri.com>]

> Absorbing moisture from the air would be a serious problem, since
> then they could absorb other things that would poison the electrolyte.

Michael, one of the passages (at least) I came across on this odd air
absorption claim:


From: "Barry Ornitz" <ornitz@dpnet.net>
Newsgroups: rec.radio.amateur.homebrew
Subject: Re: How to form an old electrolytic ?
Date: Wed, 13 Dec 2000 02:01:08 -0500

If the electrolytic is a wet, or liquid filled electrolytic from
before
1940, you may have to add distilled water.  Most electrolytics made
after
WWII are the "dry" type which are actually made with a paste
electrolyte.
The paste contains materials such as propylene glycol, sorbitol, etc.
that
absorb moisture from the air to keep the electrolyte moist.  So if the
unit
has been stored in an extremely dry place, let it set a few days in a
typical home environment to re-moisten.  [Most electronic components
store best when kept extremely dry.  Electrolytic capacitors are the
exception.]

"Douglas Snowden" <snowden@peoplepc.com> wrote in message
news:3a36e03b$1@flexnet239.uunt.net...
> What is the best way to form an old elcctrolytic,
> say 30ufd at 250vdc that has been sitting for many
> years?

~ J