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July 2006

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Subject:
From:
R Sedlak <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, R Sedlak <[log in to unmask]>
Date:
Mon, 24 Jul 2006 12:04:03 -0700
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Nice, elegant, cheap... nicely done.

Rudy Sedlak

Martin Butcher <[log in to unmask]> wrote: If memory serves, Ti gives off white sparks when touched to a grinding
wheel.  SS sparks should be orange.

Granted its cheap and dirty, but hey...

Martin

-----Original Message-----
From: R Sedlak [mailto:[log in to unmask]]
Sent: Monday, July 24, 2006 10:14 AM
To: [log in to unmask]
Subject: Re: [TN] Whats a good way to verify material is Ti vs
Stainless?


Can you get known samples of Ti and SS?

I do not know for sure, but suspect strongly that a dilute (say 1% to 5%)
solution of Ammonium Bifluoride would not attack SS rapidly enough to be
noticed, but would attack Ti rapidly enough to cause visible bubbling, when
it was dripped on a surface.

Try this out first, to see if my suspicions are correct.

Rudy Sedlak
RD Chemical Company

Rodney Miller  wrote: Houston, we have a problem,
we are fighting a contaminated solderpot,
and I'm not finding the source... the machine is in China, so I'd
appreciate some test that I could convey which would tell me I'm not
losing my mind... yet

Rodney L. Miller
Tri-onics Inc
Highland / Shanghai

Integrity and Solutions for Electronic Outsourcing


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