ایزوتوپهای فسفر
تاکنون از عنصر فسفر ۲۳ ایزوتوپ (۲۴P تا ۴۶P) شناسایی شده است که تنها یک ایزوتوپ (۳۱P) از این تعداد، پایدار است. در میان ایزوتوپ های پرتوزای این عنصر ۳۳P با نیمه عمر ۲۵٫۳۴ روز و ۳۲P با نیمه عمر ۱۴٫۲۶۳ روز ، پایدارترین و ایزوتوپ ۲۵P با نیمه عمر ۳۰ نانوثانیه ناپایدارترین ایزوتوپ پرتوزای فسفر هستند.
جدول ایزوتوپ ها
نماد | Z(p) | N(n) | جرم ایزوتوپ (u) |
نیمه عمر | حالت واپاشی[1] | ایزوتوپ دختر[n 1] | اسپین | representative isotopic composition (کسر مولی) |
range of natural variation (کسر مولی) |
---|---|---|---|---|---|---|---|---|---|
24P | 15 | 9 | 24.03435(54)# | ? | p (>99.9%) | 23Si | (1+)# | ||
β+ (<.1%) | 24Si | ||||||||
25P | 15 | 10 | 25.02026(21)# | <30 ns | p | 24Si | (1/2+)# | ||
26P[n 2] | 15 | 11 | 26.01178(21)# | 43.7(6) ms | β+ (98.1%) | 26Si | (3+) | ||
β+, 2p (1.0%) | 24Mg | ||||||||
β+, p (.09%) | 25Al | ||||||||
27P | 15 | 12 | 26.999230(28) | 260(80) ms | β+ (99.93%) | 27Si | 1/2+ | ||
β+, p (.07%) | 26Al | ||||||||
28P | 15 | 13 | 27.992315(4) | 270.3(5) ms | β+ (99.99%) | 28Si | 3+ | ||
β+, p (.0013%) | 27Al | ||||||||
β+, α (8.6×10−4%) | 24Mg | ||||||||
29P | 15 | 14 | 28.9818006(6) | 4.142(15) s | β+ | 29Si | 1/2+ | ||
30P | 15 | 15 | 29.9783138(3) | 2.498(4) min | β+ | 30Si | 1+ | ||
31P | 15 | 16 | 30.97376163(20) | پایدار | 1/2+ | 1.0000 | |||
32P | 15 | 17 | 31.97390727(20) | 14.263(3) d | β- | 32S | 1+ | trace | |
33P | 15 | 18 | 32.9717255(12) | 25.34(12) d | β- | 33S | 1/2+ | ||
34P | 15 | 19 | 33.973636(5) | 12.43(8) s | β- | 34S | 1+ | ||
35P | 15 | 20 | 34.9733141(20) | 47.3(7) s | β- | 35S | 1/2+ | ||
36P | 15 | 21 | 35.978260(14) | 5.6(3) s | β- | 36S | 4-# | ||
37P | 15 | 22 | 36.97961(4) | 2.31(13) s | β- | 37S | 1/2+# | ||
38P | 15 | 23 | 37.98416(11) | 0.64(14) s | β- (88%) | 38S | |||
β-, n (12%) | 37S | ||||||||
39P | 15 | 24 | 38.98618(11) | 190(50) ms | β- (74%) | 39S | 1/2+# | ||
β-, n (26%) | 38S | ||||||||
40P | 15 | 25 | 39.99130(15) | 153(8) ms | β- (70%) | 40S | (2-,3-) | ||
β-, n (30%) | 39S | ||||||||
41P | 15 | 26 | 40.99434(23) | 100(5) ms | β- (70%) | 41S | 1/2+# | ||
β-, n (30%) | 40S | ||||||||
42P | 15 | 27 | 42.00101(48) | 48.5(15) ms | β- (50%) | 42S | |||
β-, n (50%) | 41S | ||||||||
43P | 15 | 28 | 43.00619(104) | 36.5(15) ms | β-, n | 42S | 1/2+# | ||
44P | 15 | 29 | 44.01299(75)# | 18.5(25) ms | β- | 44S | |||
45P | 15 | 30 | 45.01922(86)# | 8# ms [>200 ns] | β- | 45S | 1/2+# | ||
46P | 15 | 31 | 46.02738(97)# | 4# ms [>200 ns] | β- | 46S |
- هسته های پررنگ پایدار هستند
- Has 1 halo proton
منابع
- Isotope masses from:
- G. Audi, A. H. Wapstra, C. Thibault, J. Blachot and O. Bersillon (2003). "The NUBASE evaluation of nuclear and decay properties" (PDF). Nuclear Physics A. 729: 3–128. Bibcode:2003NuPhA.729....3A. doi:10.1016/j.nuclphysa.2003.11.001.
- Isotopic compositions and standard atomic masses from:
- J. R. de Laeter, J. K. Böhlke, P. De Bièvre, H. Hidaka, H. S. Peiser, K. J. R. Rosman and P. D. P. Taylor (2003). "Atomic weights of the elements. Review 2000 (IUPAC Technical Report)". Pure and Applied Chemistry. 75 (6): 683–800. doi:10.1351/pac200375060683.
- M. E. Wieser (2006). "Atomic weights of the elements 2005 (IUPAC Technical Report)". Pure and Applied Chemistry. 78 (11): 2051–2066. doi:10.1351/pac200678112051. Lay summary.
- Half-life, spin, and isomer data selected from the following sources. See editing notes on this article's talk page.
- G. Audi, A. H. Wapstra, C. Thibault, J. Blachot and O. Bersillon (2003). "The NUBASE evaluation of nuclear and decay properties" (PDF). Nuclear Physics A. 729: 3–128. Bibcode:2003NuPhA.729....3A. doi:10.1016/j.nuclphysa.2003.11.001.
- National Nuclear Data Center. "NuDat 2.1 database". Brookhaven National Laboratory. Retrieved September 2005. Check date values in:
|accessdate=
(help) - N. E. Holden (2004). "Table of the Isotopes". In D. R. Lide. CRC Handbook of Chemistry and Physics (85th ed.). CRC Press. Section 11. ISBN 978-0-8493-0485-9.
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