Panasonic PT-DZ12000U Operating Instructions Manual page 36

Progeny
222
Rn is "radon" gas
222 218
Rn Po
3.82d
218
Po decays 99.98 % of the time by á to Pb
-
time by â to At
218 214
Po Pb
218
3.05m At
218 214
At Bi
2s
214 214
Pb Bi
26.8m
214
Bi decays 99.979 % of the time by â to Po
the time by á to Tl
214 214
Bi Po
19.9m
210
Tl
kev and % abundance
á 5490 (99.92), 4986 (0.08)
ã av. 512 (0.08)
218
á 6003 (99.98)
-
â 330 (0.02)
-
á 6650 (6), 6700 (94)
-
â
ã 242 (7.49), 295 (19.2), 352 (37.2)
Bi x-rays 11 (13.5), 75 (6.2), 77 (10.5), 87 (4.7)
210
-
â 1505 (17.7), 1540 (17.9), 3270 (17.2)
ã 609 (46.3), 1120 (15.1), 1764 (15.8)
Po x-rays 11 (0.5), 77 (0.36), 79 (0.6), 90 (0.3)
á 5450 (0.012), 5510 (0.008)
672 (48), 729 (42.5), 1024 (6.3)
-
25
214
& 0.02 % of the
214
& 0.021 % of