B12 Test & Co-57

["John W. Poston, Jr." <john.poston@anlw.anl.gov>]

Can anyone explain how a B12 test using Co-57 as a tracer works?  Please 
respond to my e-mail below unless you feel the information is of interest 
to others on RADSAFE.

Thanks for your help,
J. W. Poston, Jr., Ph.D., C.H.P
Radiation, Fire, & Safety
Reactor Program Services Division
Argonne National Laboratory - West
P. O. Box 2528
Idaho Falls, Idaho  83403-2528

Voice:   208-533-7638
Fax:      208-533-7344
E-mail:  jay.poston@anl.gov