ZY
APPENDIX 3
EQUATIONS FOR VOLATILE/REFRACTORY RATIO FOR SPECIFIC NUCLIDES
The 136¢. is 100% volatile 20 seconds postshot.
r(136) = [At36H A(136 I
The 91 chain, A(91), is 25% refractory 20 seconds postshot.
r(91) = ag - 0.25 agit0.75 [aight
The 140 chain, A(140), is 30% refractory 20 seconds postshot.
_ {A(140
r(140) = rates
A(140
A(140)
- 0.3[f 95 J.f/0.7 i 95 |
The 141 and 144 chains are reported together in the field data (La66),
i.e., B dpm in the cerium fraction at 30 days postshot.
The 144
chain is 100% refractory with the 14 and 1445, in equilibrium.
Therefore, we must subtract twice the calculated 144 4/7, ratio
from the measured ratio.
_ fa(ce
A(141)
2A(144)
A(141
r(14al) = {tas}
95) ~ jo.67 RESET” * RtSEy|9-33 li 95 |.