Subject:
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Re: Lead warning for people who solder (fwd)
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 26 Nov 1999 21:37:21 GMT
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Original-From:
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Brian Connors <connorbd@yahoo.com/nomorespam/>
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Viewed:
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524 times
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--- Jim Choate <ravage@ssz.com> wrote:
>
> ----- Forwarded message from Brian Connors -----
>
> Date: Fri, 26 Nov 1999 13:25:30 -0800 (PST)
> From: Brian Connors <connorbd@yahoo.com>
> Subject: Re: Lead warning for people who solder
>
> --- Mark Geddes <mark@AudeSi.com> wrote:
> > I noticed a lot of people are making homemade
> > electronic Lego projects. I
> > just thought I'd warn everyone of the dangers of
> > lead based solder. Even
>
> Ummmm... lead is lead, and I think most of us know
> it's not too good for you. But what else are you
> going
> to use? I hear lately a lot of people aren't too hot
> on silver solder, and if you're playing with
> electronics you're probably aware of the risk to
> begin
> with.
>
> [ Indium solder if you can deal with the higher
> melting point. The actual
> danger from lead based rosin core solder is
> minimum. It's pretty tightly
> bound to the tin forming a eutectic. The history
> of professional
> electronics technicians and engineers getting lead
> poising is minimum and
> it's very commen for them to hold short pieces in
> their mouth while
> handling components. ]
I assume that's roughly the same as with mercury
amalgam as used by dentists, then. Not too much
mercury leaches out of the average filling, despite
what some are convinced. (Of course, IANAD(entist),
but that's how I hear it...)
> They say lead-lined wine jars helped to bring down
> the
> Roman Empire. I can believe it, given all the mad
> emperors Rome had. And I certainly wouldn't be
> installing lead water pipes in my house. But
> sometimes
> it's the tool for the job.
>
> [ It was in fact the lead water pipes they used to
> distribute the water from
> the aquaducts. ]
Really? I thought it was more a problem for the upper
classes, thus blaming the amphorae (the lower classes
would have drunk out of skins, IIRC).
> > This isn't to say lead can't be used safely, but
> > people should respect it.
>
> This should be common sense to anybody, really.
> Though
> I would go as far as saying that despite the
> suspected
> inferiority of non-lead based solders, maybe using
> silver solder exclusively is a better choice when
> you've got kids who might be getting into your
> workshop...
>
> [ Spend your time and money worrying about the
> paints and plastics. ]
I sorta figured that went without saying...
/Brian
=====
--
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