Those of you that need information on this nuclide please look at this page- http://hpngp01.kaeri.re.kr/cgi-bin/CoNquery?nuc=KR85 I haved used this isotope over 100 times and it is nothing like C-14 ! This opinion has nothing to do with me! It is the way the world works right NOW! Israel Putnam ip20q@nih.gov