RE: NIST Traceable Am-241 Alpha Standards

[Chris Alston <alstonc@odrge.odr.georgetown.edu>]

You might try Eberline at (505)345-9931/2. They make the electroplated 
variety, and yes, they are much more rugged than the foils.

Happy holidays
cja

At 07:42 AM 12/20/00 -0600, you wrote:
>I recently got a quote from IPL and I believe they make a NIST certified
>47mm electroplated Am-241 disk in the 700-900 dollar range.  I'm not sure
>you'll do too much better than that.  I believe you can get it plated on
>either a stainless steel or nickel disk.  I'm hoping these sources will be
>more durable than some of the "foil" sources I've seen.  The 47 mm disk is
>nice because the source will fit in standard cal and portable source check
>jigs typically made for the 47mm beta sources.
>
>Try AEA Technologies 781-359-9159, I've recently gotten some quotes for some
>specialized sources I plan to order from them.
>
>Glen
>glen.vickers@exeloncorp.com
>
> > -----Original Message-----
> > From: Erick Lindstrom [SMTP:avrel@gemini.oscs.montana.edu]
> > Sent: Tuesday, December 19, 2000 5:55 PM
> > To:   Multiple recipients of list
> > Subject:      NIST Traceable Am-241 Alpha Particle Calibration Standards
> >
> > Radsafers,
> >
> > I'm looking for some vendors that supply NIST traceable Am-241 alpha
> > particle standards (disk or capsule type sources preferably with
> > activities
> > of about 0.1 uCi) to be used in the calibration of various instruments and
> >
> > probes.  I'm aware of IPL's sources, however, I'm looking for something a
> > bit more economically feasible.
> >
> > Any references would be appreciated.
> >
> > Regards,
> >
> > -Erick Lindstrom
> >
> > Erick Lindstrom
> > Radiation Safety Officer
> > Montana State University
> > 1160 Research Drive
> > Bozeman, MT  59718-6856
> > Voice: (406) 582-5477
> > Fax:    (406) 582-5700
> > e-mail: avrel@montana.edu
> >
> > On Campus Communications:
> >
> > P.O. Box 170510
> > Bozeman, MT  59715-0510
> >
> > Voice: Ext. 2108
> >
> > "Strange as it may seem, no amount of learning can cure stupidity, and
> > formal education positively fortifies it." - Stephen Vizinczey
> >
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