metal and non-metal wands

Sharleen Beckwith beckwith at snf.stanford.edu
Fri Nov 2 13:01:59 PST 2001


Is there any way to figure out whether the tubes are now metal 
contaminated? I guess tylanbpsg is safe because it was down and being 
cleaned during the wand-swap? Some of us worry about these things.

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>Date: Fri, 2 Nov 2001 10:30:02 -0800 (PST)
>From: Nancy Latta <latta at snf.stanford.edu>
>To: Sanli Ergun <sanli at piezo.Stanford.EDU>
>cc: tylannitride at snf.stanford.edu, tylanpoly at snf.stanford.edu,
>     tylanbpsg at snf.stanford.edu
>Subject: Re: metal and non-metal wands
>
>Folks,
>
>Mike has cleaned and replaced the nonmetal wand tip.  He also has put a
>label on the wand handle indicating it is nonmetal.
>
>Fell free to use the wands again.
>
>				Nancy

Do you mean it has been replaced with a new, clean, tip, or the old 
one was cleaned? Because I don't see how you can clean metal off of 
those tips since there is a metal rod imbedded in the quartz.

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>Date: Tue, 30 Oct 2001 09:48:12 -0800
>From: Mike Dickey <mdickey at snf.stanford.edu>
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>To: tylanbpsg at snf.stanford.edu, tylan at pcs.stanford.edu
>Subject: Pull and Clean
>
>We are going to put the BPSG tube down for a pull and clean tomorrow morning.

Sharleen

P. S. Thanks to Sanli for catching this and quickly reporting it!



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