You are giving the number for a high purity isotope, like 99.99%. In other thread, I was talking about an extremely dirty mixture of Ni62+Ni64 and a bunch of other isotopes, no problem if it is 50% of other stuff.
2012/1/21 Jones Beene <jone...@pacbell.net> > As mentioned in prior posting - Ni-64 costs about $30000 per gram from a > medical supplier. We checked the ones near Rossi's former lab in NH and no > one remembers him or the name Leonardo (LTI, or EON). The reason for > checking was to see if Rossi started out this way first before finding a > less expensive solution. > > As for the present - Rossi claims to enrich in Ni-64 himself - not by > buying > an enriched isotope. This is unlikely but possible. > > The first relevant fact is that over two-thirds of natural nickel is the > 58Ni, which has very high nuclear stability - but there is also a ~1% > isotope 64Ni which is 6 a.m.u. or ~11% heavier and has different NMR > properties. > > Since nickel can be obtained in liquid form as feedstock and then resold > with the heavier isotopes removed, and since the feedstock is possibly more > valuable with heavier isotopes removed, it is possible to do it yourself > with an ultra-centrifuge, and possibly in combination with NMR techniques > for the net differential manufacturing cost. This is especially true if you > simply want enrichment in 62 and 64 and can work with a nickel supplier and > starting with electroless nickel can also make "nanostructuring" much > simpler, so it could be a double benefit. > > I do not think Rossi is that sophisticated, but don't forget that his > backers for 10 years at least were high up in DoE. That could also be the > source of enriched isotope. > > If the Swedes ever do release the mass-spec analysis- maybe we will know if > this Ni-64 business is one more Rossi lie, or not. It probably is. > > Jones > > -- Daniel Rocha - RJ danieldi...@gmail.com