In reply to Eric Walker's message of Tue, 13 Oct 2015 00:43:45 -0500: Hi Eric,
I meant, "I doubt there was enough of it in the engine". One of his patents might tell you how much was used. >On Mon, Oct 12, 2015 at 10:30 PM, <[email protected]> wrote: > >> I doubt there was enough of it (but I'm just guessing). > >If he knew our trick, one of these naturally occurring isotopes might >have done the trick: > >142Ce 143Nd 144Nd 145Nd 146Nd 147Sm >148Nd 148Sm 149Sm 150Sm 152Gd 152Sm >154Gd 156Dy 158Dy 160Dy 161Dy 162Dy >162Er 164Er 165Ho 166Er 167Er 168Er >168Yb 169Tm 170Er 170Yb 171Yb 172Yb >174Hf 174Yb 176Hf 177Hf 178Hf 179Hf >180Hf 180Ta 180W 181Ta 182W 183W >184Os 184W 185Re 186Os 186W 187Os >187Re 188Os 189Os 190Os 190Pt 191Ir >192Os 192Pt 193Ir 194Pt 195Pt 196Hg >196Pt 197Au 198Hg 198Pt 199Hg 200Hg >201Hg 202Hg 203Tl 204Pb 205Tl 206Pb >207Pb 208Pb 209Bi 232Th 234U 235U >238U > >In this list I see tungsten, mercury, lead, platinum, gold and >depleted uranium. There's an interesting cost/benefit analysis that >could be done of the cost of the bulk element versus the fraction of >relevant isotope. > >Eric Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html
