[ RadSafe ] Barium ES Pellet Make and Model?

Chris Alston achris1999 at gmail.com
Wed Aug 8 14:34:20 CDT 2012

Ladies and Gentlemen

Does anyone have, perchance, the make and model of the Ba-133 external
standards used in Packard Tri-Carb1900CA (A1900) liquid scintillation
counters of vintage 1989?  They are originally nominal 20 uCi, with a
maximum of 30 uCi (I think).  Knowing that might make our lives



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