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विकिपीडिया से, मुक्त विश्वकोश
मोटे अक्षर
Actinides | Halflife | Fission products | ||||||
---|---|---|---|---|---|---|---|---|
244Cm | 241Pu f | 250Cf | 243Cmf | 10–30 y | 137Cs | 90Sr | 85Kr | |
232U f | 238Pu | f is for fissile |
69–90 y | 151Sm nc➔ | ||||
4n | 249Cf f | 242Amf | 141–351 | No fission product has halflife 102 to 2×105 years | ||||
241Am | 251Cf f | 431–898 | ||||||
240Pu | 229Th | 246Cm | 243Am | 5–7 ky | ||||
4n | 245Cmf | 250Cm | 239Pu f | 8–24 ky | ||||
233U f | 230Th | 231Pa | 32–160 | |||||
4n+1 | 234U | 4n+3 | 211–290 | 99Tc | 126Sn | 79Se | ||
248Cm | 242Pu | 340–373 | Long-lived fission products | |||||
237Np | 4n+2 | 1–2 my | 93Zr | 135Cs nc➔ | ||||
236U | 4n+1 | 247Cmf | 6–23 | 107Pd | 129I | |||
244Pu | 80 my | >7% | >5% | >1% | >.1% | |||
232Th | 238U | 235U f | 0.7–12by | fission product yield |
प्लूटोनियम के कोई भी स्थिर समस्थानिक उपलब्ध नहीं हैं। अतः कोई मानक परमाणु भार देना संभव नहीं है।
न्यूक्लाइड चिह्न |
Z(p) | N(n) | समस्थानिक भार (u) |
अर्धायु | नाभिकीय स्पिन |
प्रतिनिधि समस्थानिक कंपोज़ीशन (mole fraction) |
प्राकृतिक अंतरण (mole fraction) |
---|---|---|---|---|---|---|---|
उत्तेजना ऊर्जा | |||||||
228Pu | 94 | 134 | 228.03874(3) | 1.1(+20-5) s | 0+ | ||
229Pu | 94 | 135 | 229.04015(6) | 120(50) s | 3/2+# | ||
230Pu | 94 | 136 | 230.039650(16) | 1.70(17) min | 0+ | ||
231Pu | 94 | 137 | 231.041101(28) | 8.6(5) min | 3/2+# | ||
232Pu | 94 | 138 | 232.041187(19) | 33.7(5) min | 0+ | ||
233Pu | 94 | 139 | 233.04300(5) | 20.9(4) min | 5/2+# | ||
234Pu | 94 | 140 | 234.043317(7) | 8.8(1) h | 0+ | ||
235Pu | 94 | 141 | 235.045286(22) | 25.3(5) min | (5/2+) | ||
236Pu | 94 | 142 | 236.0460580(24) | 2.858(8) a | 0+ | ||
237Pu | 94 | 143 | 237.0484097(24) | 45.2(1) d | 7/2- | ||
237m1Pu | 145.544(10) keV | 180(20) ms | 1/2+ | ||||
237m2Pu | 2900(250) keV | 1.1(1) µs | |||||
238Pu | 94 | 144 | 238.0495599(20) | 87.7(1) a | 0+ | ||
239Pu | 94 | 145 | 239.0521634(20) | 24.11(3)E+3 a | 1/2+ | ||
239m1Pu | 391.584(3) keV | 193(4) ns | 7/2- | ||||
239m2Pu | 3100(200) keV | 7.5(10) µs | (5/2+) | ||||
240Pu | 94 | 146 | 240.0538135(20) | 6561(7) a | 0+ | ||
241Pu | 94 | 147 | 241.0568515(20) | 14.290(6) a | 5/2+ | ||
241m1Pu | 161.6(1) keV | 0.88(5) µs | 1/2+ | ||||
241m2Pu | 2200(200) keV | 21(3) µs | |||||
242Pu | 94 | 148 | 242.0587426(20) | 3.75(2)E+5 a | 0+ | ||
243Pu | 94 | 149 | 243.062003(3) | 4.956(3) h | 7/2+ | ||
243mPu | 383.6(4) keV | 330(30) ns | (1/2+) | ||||
244Pu | 94 | 150 | 244.064204(5) | 8.00(9)E+7 a | 0+ | ||
245Pu | 94 | 151 | 245.067747(15) | 10.5(1) h | (9/2-) | ||
246Pu | 94 | 152 | 246.070205(16) | 10.84(2) d | 0+ | ||
247Pu | 94 | 153 | 247.07407(32)# | 2.27(23) d | 1/2+# |
नेप्ट्यूनियम के समस्थानिक | प्लूटोनियम के समस्थानिक | अमेरिशियम के समस्थानिक |
समस्थानिक पृष्ठ का सूचकांक · न्यूक्लाइड की सारणी |
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