Re: zinc sulfide phosphor

[wfendt@UDel.Edu]

I purchased zinc sulfide as "Invisible Thief Detection Powder" from
Criminal Research Products, Inc, Conshohocken, PA  19428.  2oz. was
about $40.

Bill Fendt  wfendt@udel.edu   Univ. of DE


Neon John wrote:
> 
> Can anyone suggest a source for small quantities of zinc sulfide or
> Strontium Aluminate phosphor powder?  I've been searching around for
> the better part of a day and can't seem to find a suitable source.
> I'm interested in its phosphorescent properties rather than as a
> scintillator.  I've been asked to fabricate a gas discharge tube
> that would continue to glow after the current is turned off.  This
> is the application.
> 
> Thanks
> John
> 
> --
> John De Armond
> johngdSPAMNOT@bellsouth.net
> http://personal.bellsouth.net/~johngd/
> ************************************************************************
> The RADSAFE Frequently Asked Questions list, archives and subscription
> information can be accessed at http://www.ehs.uiuc.edu/~rad/radsafe.html
************************************************************************
The RADSAFE Frequently Asked Questions list, archives and subscription
information can be accessed at http://www.ehs.uiuc.edu/~rad/radsafe.html