yes, they probably choosed the most extreme sample to make a statement. On Thu, Oct 9, 2014 at 5:06 PM, Ron Wormus <[email protected]> wrote:
> > > --On Thursday, October 09, 2014 5:07 AM -0400 Craig Haynie < > [email protected]> wrote: > > >> It does look like the system ran until its fuel was exhausted. >> >> "The unused fuel shows the natural isotope composition from both SIMS >> and ICP-MS, i.e. 58 Ni (68.1%), 60 Ni (26.2%), 61 Ni (1.1%), 62 Ni >> (3.6%), and 64 Ni (0.9%), whereas the ash composition from SIMS is: 58 >> Ni (0.8.%), 60 Ni (0.5%), 61 Ni (0%), 62 Ni (98.7%), 64 Ni (0%), and >> from ICP-MS: 58 Ni (0.8%), 60 Ni(0.3%), 61 Ni (0%), 62 Ni (99.3%), 64 Ni >> (0%)." >> >> Craig >> >> > They only analyzes a few grains of the ash. I doubt that the ash is > homogenous & isotropic so it is likely incorrect to assume that system ran > to exhaustion. > > Maybe the ash is predominately spent fuel while most of the fuel remains > active. > > Ron > > > >
