Polonyum izotoplari - Isotopes of polonium - Wikipedia

Ning asosiy izotoplari polonyum  (84Po)
IzotopChirish
mo'llikyarim hayot (t1/2)rejimimahsulot
208Posin2.898 ya204Pb
β+208Bi
209Posin125,2 y[1]a205Pb
β+209Bi
210Poiz138.376 da206Pb

Poloniy (84Po) 42 ga ega izotoplar, barchasi radioaktiv, 186 dan 227 gacha nuklon bilan. 210Po bilan yarim hayot 138.376 kun ichida tabiiy ravishda paydo bo'lgan polonyumning eng uzoq yarim umri bor. 209Yarim umr 125 yil bo'lgan Po, barchaning eng uzoq umr ko'rishga ega izotoplar polonyum. 209Po va 208Po (yarim umr 2,9 yil) proton bombardimon qilish yo'li bilan amalga oshirilishi mumkin vismut a siklotron.[2]

Izotoplar ro'yxati

Nuklid
[n 1]		Tarixiy
ism		ZNIzotopik massa (Da )
[n 2][n 3]		Yarim hayot
Chirish
rejimi
Qizim
izotop
[n 4][n 5]		Spin va
tenglik
[n 6][n 7]		Izotopik
mo'llik
Qo'zg'alish energiyasi[n 7]
186Po84102186.0044(18)34 (12) ms
a182Pb0+
187Po84103187.00304(30)1,40 (0,25) ms
a183Pb(1/2-), (5/2-)
187mPo4 (27) keV0,5 mil13/2+#
188Po84104187.999422(21)430 (180) ms
[0.40 (+ 20−15) ms]		a184Pb0+
189Po84105188.998481(24)5 (1) mila185Pb3/2−#
190Po84106189.995101(14)2,46 (5) msa (99.9%)186Pb0+
β+ (.1%)190Bi
191Po84107190.994574(12)22 (1) mila187Pb3/2−#
β+ (kamdan-kam)191Bi
191mPo130 (21) keV93 (3) ms(13/2+)
192Po84108191.991335(13)32,2 (3) mila (99%)188Pb0+
β+ (1%)192Bi
192mPo2600 (500) # keV~ 1 mikron12+#
193Po84109192.99103(4)420 (40) milodiy
[370 (+ 46−40) ms]		a189Pb3/2−#
β+ (kamdan-kam)193Bi
193mPo100 (30) # keV240 (10) milodiy
[243 (+ 11−10) ms]		a189Pb(13/2+)
β+ (kamdan-kam)193Bi
194Po84110193.988186(13)0.392 (4) sa190Pb0+
β+ (kamdan-kam)194Bi
194mPo2525 (2) keV15 (2) ms(11−)
195Po84111194.98811(4)4.64 (9) sa (75%)191Pb3/2−#
β+ (25%)195Bi
195mPo110 (50) keV1.92 (2) sa (90%)191Pb13/2+#
β+ (10%)195Bi
IT (.01%)195Po
196Po84112195.985535(14)5.56 (12) sa (94%)192Pb0+
β+ (6%)196Bi
196mPo2490,5 (17) keV850 (90) ns(11−)
197Po84113196.98566(5)53.6 (10) sβ+ (54%)197Bi(3/2−)
a (44%)193Pb
197mPo230 (80) # keV25.8 (1) sa (84%)193Pb(13/2+)
β+ (16%)197Bi
IT (.01%)197Po
198Po84114197.983389(19)1.77 (3) mina (57%)194Pb0+
β+ (43%)198Bi
198m1Po2565.92 (20) keV200 (20) ns11−
198m2Po2691,86 (20) keV750 (50) ns12+
199Po84115198.983666(25)5.48 (16) minβ+ (92.5%)199Bi(3/2−)
a (7,5%)195Pb
199mPo312,0 (28) keV4.17 (4) minβ+ (73.5%)199Bi13/2+
a (24%)195Pb
IT (2,5%)199Po
200Po84116199.981799(15)11,5 (1) minβ+ (88.8%)200Bi0+
a (11,1%)196Pb
201Po84117200.982260(6)15.3 (2) minβ+ (98.4%)201Bi3/2−
a (1,6%)197Pb
201mPo424.1 (24) keV8.9 (2) minIT (56%)201Po13/2+
EC (41%)201Bi
a (2,9%)197Pb
202Po84118201.980758(16)44,7 (5) minβ+ (98%)202Bi0+
a (2%)198Pb
202mPo2626,7 (7) keV> 200 ns11−
203Po84119202.981420(28)36,7 (5) minβ+ (99.89%)203Bi5/2−
a (.11%)199Pb
203m1Po641,49 (17) keV45 (2) sIT (99,96%)203Po13/2+
a (.04%)199Pb
203m2Po2158,5 (6) keV> 200 ns
204Po84120203.980318(12)3.53 (2) soatβ+ (99.33%)204Bi0+
a (.66%)200Pb
205Po84121204.981203(21)1,66 (2) soatβ+ (99.96%)205Bi5/2−
a (.04%)201Pb
205m1Po143.166 (17) keV310 (60) ns1/2−
205m2Po880.30 (4) keV645 mk13/2+
205m3Po1461.21 (21) keV57,4 (9) milIT205Po19/2−
205m4Po3087,2 (4) keV115 (10) ns29/2−
206Po84122205.980481(9)8.8 (1) dβ+ (94.55%)206Bi0+
a (5,45%)202Pb
206m1Po1585,85 (11) keV222 (10) ns(8+)#
206m2Po2262.22 (14) keV1,05 (6) ms(9−)#
207Po84123206.981593(7)5.80 (2) soatβ+ (99.97%)207Bi5/2−
a (.021%)203Pb
207m1Po68.573 (14) keV205 (10) ns1/2−
207m2Po1115.073 (16) keV49 (4) ms13/2+
207m3Po1383.15 (6) keV2.79 (8) sIT207Po19/2−
208Po84124207.9812457(19)2.898 (2) ya (99,99%)204Pb0+
β+ (.00277%)208Bi
209Po84125208.9824304(20)125.2 (3.3) y[3]a (99,52%)205Pb1/2−
β+ (.48%)209Bi
210PoRadium F84126209.9828737(13)138.376 (2) da206Pb0+Iz[n 8]
210mPo5057,61 (4) keV263 (5) ns16+
211PoActinium C '84127210.9866532(14)0.516 (3) sa207Pb9/2+Iz[n 9]
211m1Po1462 (5) keV25.2 (6) sa (99,98%)207Pb(25/2+)
IT (.016%)211Po
211m2Po2135,7 (9) keV243 (21) ns(31/2−)
211m3Po4873,3 (17) keV2.8 (7) ms(43/2+)
212PoTorium C '84128211.9888680(13)299 (2) nsa208Pb0+Iz[n 10]
212mPo2911 (12) keV45.1 (6) sa (99,93%)208Pb(18+)
IT (.07%)212Po
213Po84129212.992857(3)3.65 (4) msa209Pb9/2+Iz[n 11]
214PoRadiy S '84130213.9952014(16)164,3 (20) msa210Pb0+Iz[n 8]
215PoAktinium A84131214.9994200(27)1.781 (4) msa (99,99%)211Pb9/2+Iz[n 9]
β− (2.3×10−4%)215Da
216PoTorium A84132216.0019150(24)0.145 (2) sa212Pb0+Iz[n 10]
β−β− (kamdan-kam)216Rn
217Po84133217.006335(7)1.47 (5) sa (95%)213Pb5/2+#
β− (5%)217Da
218PoRadiy A84134218.0089730(26)3.10 (1) mina (99,98%)214Pb0+Iz[n 8]
β− (.02%)218Da
219Po84135219.01361(16)10.3 (1) mina (28,2%)215Pb9/2+#
β− (71.8%)219Da
220Po84136220.0164(18)40 # s
[> 300 ns]		β−220Da0+
221Po84137221.02123(20)2,2 (0,7) minβ−221Da9/2+#
222Po84138222.024144(40)9.1 (7.2) minβ−222Da0+
  1. ^ mPo - hayajonlangan yadro izomeri.
  2. ^ () - noaniqlik (1σ) tegishli oxirgi raqamlardan keyin qavs ichida ixcham shaklda berilgan.
  3. ^ # - Atom massasi # bilan belgilangan: qiymat va noaniqlik faqat eksperimental ma'lumotlardan emas, balki kamida qisman Mass Surface tendentsiyalaridan kelib chiqadi (TMS ).
  4. ^ Qalin kursiv belgisi qizi sifatida - Daughter mahsuloti deyarli barqaror.
  5. ^ Qalin belgi qizi sifatida - qizi mahsulot barqaror.
  6. ^ () spin qiymati - zaif tayinlash argumentlari bilan spinni bildiradi.
  7. ^ a b # - # bilan belgilangan qiymatlar faqat eksperimental ma'lumotlardan kelib chiqmaydi, lekin hech bo'lmaganda qisman qo'shni nuklidlarning tendentsiyalaridan kelib chiqadi (TNN ).
  8. ^ a b v O'rta parchalanish mahsuloti ning Uran-238
  9. ^ a b Ning oraliq yemirilish mahsuloti Uran-235
  10. ^ a b Ning oraliq yemirilish mahsuloti Torium-232
  11. ^ Ning oraliq yemirilish mahsuloti 237Np

Adabiyotlar

  1. ^ Butin, Chad. "Poloniumning eng barqaror izotopi qayta tiklangan yarim umr o'lchovini o'tkazdi". nist.gov. NIST Tech Beat. Olingan 9 sentyabr 2014.
  2. ^ Karvalo, F.; Fernandes, S .; Fesenko, S .; Xolm, E .; Xovard, B .; Martin, P .; Phaneuf, P .; Porcelli, D .; Prol, G .; Tvinning, J. (2017). Poloniyning ekologik harakati. Texnik hisobotlar seriyasi. 484. Vena: Xalqaro Atom Energiyasi Agentligi. p. 22. ISBN  978-92-0-112116-5. ISSN  0074-1914.
  3. ^ Boutin, Chad (2014-09-09). "Poloniumning eng barqaror izotopi yarim umr o'lchovini qayta ko'rib chiqdi". nist.gov. NIST Tech Beat. Arxivlandi asl nusxasidan 2016 yil 24 avgustda. Olingan 9 sentyabr 2014.
Umumiy ma'lumotnomalar

Izotop ma'lumotlari manba:

  • Elementlarning atom og'irliklari:
de Laeter, Jon Robert; Böhlke, Jon Karl; De Biev, Pol; Xidaka, Xiroshi; Peiser, X. Steffen; Rosman, Kevin J. R.; Teylor, Filipp D. P. (2003). "Elementlarning atom og'irliklari. 2000 yil sharh (IUPAC texnik hisoboti)". Sof va amaliy kimyo. 75 (6): 683–800. doi:10.1351 / pac200375060683.
Vizer, Maykl E. (2006). "Elementlarning atom og'irliklari 2005 (IUPAC texnik hisoboti)". Sof va amaliy kimyo. 78 (11): 2051–2066. doi:10.1351 / pac200678112051. Xulosa.
  • Izotopik massa, spin va tenglik
Audi, Jorj; Bersillon, Olivye; Blachot, Jan; Wapstra, Aaldert Xendrik (2003), "NUBASE yadro va parchalanish xususiyatlarini baholash ", Yadro fizikasi A, 729: 3–128, Bibcode:2003NuPhA.729 .... 3A, doi:10.1016 / j.nuclphysa.2003.11.001
Holden, Norman E. (2004). "11. Izotoplar jadvali". Lide-da Devid R. (tahrir). CRC Kimyo va fizika bo'yicha qo'llanma (85-nashr). Boka-Raton, Florida: CRC Press. ISBN  978-0-8493-0485-9.
Milliy yadro ma'lumotlari markazi. "NuDat 2.x ma'lumotlar bazasi". Brukhaven milliy laboratoriyasi.
  • Yarim hayot
Audi, G .; Kondev, F. G.; Vang, M .; Xuang, V. J .; Naimi, S. (2017). "NUBASE2016 yadro xususiyatlarini baholash" (PDF). Xitoy fizikasi C. 41 (3): 030001. Bibcode:2017ChPhC..41c0001A. doi:10.1088/1674-1137/41/3/030001.
Milliy yadro ma'lumotlari markazi. "NuDat 2.x ma'lumotlar bazasi". Brukhaven milliy laboratoriyasi.
Holden, Norman E. (2004). "11. Izotoplar jadvali". Lide-da Devid R. (tahrir). CRC Kimyo va fizika bo'yicha qo'llanma (85-nashr). Boka-Raton, Florida: CRC Press. ISBN  978-0-8493-0485-9.

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