Isotop renium
nuklida dengan nomor atom 75 tetapi dengan nomor massa berbeda
Renium (75Re) yang terbentuk secara alami terdiri dari satu isotop stabil (walaupun diperkirakan akan meluruh), 185Re (37,4% kelimpahan alami), dan satu radioisotop berumur panjang, 187Re, dengan waktu paruh 4,12×1010 tahun (62,6% kelimpahan alami). Di antara unsur-unsur dengan isotop stabil yang diketahui, hanya indium dan telurium yang serupa terjadi dengan isotop stabil dalam kelimpahan yang lebih rendah daripada isotop radioaktif berumur panjang.
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| Berat atom standar Ar°(Re) |
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Ada 33 isotop tidak stabil lainnya yang dikenal, yang berumur paling panjang adalah 183Re dengan waktu paruh 70 hari, 184Re dengan waktu paruh 38 hari, 186Re dengan waktu paruh 3,7186 hari, 182Re dengan waktu paruh 64,0 jam, dan 189Re dengan waktu paruh 24,3 jam. Unsur ini juga memiliki banyak isomer, yang berumur paling panjang adalah 186mRe dengan waktu paruh 200.000 tahun dan 184mRe dengan waktu paruh 169 hari. Semua isotop lain memiliki waktu paruh kurang dari satu hari.
Daftar isotop
| Nuklida [n 1] | Z | N | Massa isotop (Da) [n 2][n 3] | Waktu paruh [n 4][n 5] | Mode peluruhan [n 6] | Isotop anak [n 7][n 8] | Spin dan paritas [n 9][n 5] | Kelimpahan alami (fraksi mol) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Energi eksitasi[n 5] | Proporsi normal | Rentang variasi | |||||||||||||||||
| 160Re | 75 | 85 | 159,98212(43)# | 860(120) μdtk [0,82(+15−9) mdtk] | p (91%) | 159W | (2−) | ||||||||||||
| α (9%) | 156Ta | ||||||||||||||||||
| 161Re | 75 | 86 | 160,97759(22) | 0,37(4) mdtk | p | 160W | 1/2+ | ||||||||||||
| 161mRe | 123,8(13) keV | 15,6(9) mdtk | α | 157Ta | 11/2− | ||||||||||||||
| 162Re | 75 | 87 | 161,97600(22)# | 107(13) mdtk | α (94%) | 158Ta | (2−) | ||||||||||||
| β+ (6%) | 162W | ||||||||||||||||||
| 162mRe | 173(10) keV | 77(9) mdtk | α (91%) | 158Ta | (9+) | ||||||||||||||
| β+ (9%) | 162W | ||||||||||||||||||
| 163Re | 75 | 88 | 162,972081(21) | 390(70) mdtk | β+ (68%) | 163W | (1/2+) | ||||||||||||
| α (32%) | 159Ta | ||||||||||||||||||
| 163mRe | 115(4) keV | 214(5) mdtk | α (66%) | 159Ta | (11/2−) | ||||||||||||||
| β+ (34%) | 163W | ||||||||||||||||||
| 164Re | 75 | 89 | 163,97032(17)# | 0,53(23) dtk | α (58%) | 160Ta | tinggi | ||||||||||||
| β+ (42%) | 164W | ||||||||||||||||||
| 164mRe | 120(120)# keV | 530(230) mdtk | (2#)− | ||||||||||||||||
| 165Re | 75 | 90 | 164,967089(30) | 1# dtk | β+ | 165W | 1/2+# | ||||||||||||
| α | 161Ta | ||||||||||||||||||
| 165mRe | 47(26) keV | 2,1(3) dtk | β+ (87%) | 165W | 11/2−# | ||||||||||||||
| α (13%) | 161Ta | ||||||||||||||||||
| 166Re | 75 | 91 | 165,96581(9)# | 2# dtk | β+ | 166W | 2−# | ||||||||||||
| α | 162Ta | ||||||||||||||||||
| 167Re | 75 | 92 | 166,96260(6)# | 3,4(4) dtk | α | 163Ta | 9/2−# | ||||||||||||
| β+ | 167W | ||||||||||||||||||
| 167mRe | 130(40)# keV | 5,9(3) dtk | β+ (99,3%) | 167W | 1/2+# | ||||||||||||||
| α (0,7%) | 163Ta | ||||||||||||||||||
| 168Re | 75 | 93 | 167,96157(3) | 4,4(1) dtk | β+ (99,99%) | 168W | (5+, 6+, 7+) | ||||||||||||
| α (0,005%) | 164Ta | ||||||||||||||||||
| 168mRe | tidak ada | 6,6(15) dtk | |||||||||||||||||
| 169Re | 75 | 94 | 168,95879(3) | 8,1(5) dtk | β+ (99,99%) | 169W | 9/2−# | ||||||||||||
| α (0,005%) | 165Ta | ||||||||||||||||||
| 169mRe | 145(29) keV | 15,1(15) dtk | β+ (99,8%) | 169W | 1/2+# | ||||||||||||||
| α (0,2%) | 164Ta | ||||||||||||||||||
| 170Re | 75 | 95 | 169,958220(28) | 9,2(2) dtk | β+ (99,99%) | 170W | (5+) | ||||||||||||
| α (0,01%) | 166Ta | ||||||||||||||||||
| 171Re | 75 | 96 | 170,95572(3) | 15,2(4) dtk | β+ | 171W | (9/2−) | ||||||||||||
| 172Re | 75 | 97 | 171,95542(6) | 15(3) dtk | β+ | 172W | (5) | ||||||||||||
| 172mRe | 0(100)# keV | 55(5) dtk | β+ | 172W | (2) | ||||||||||||||
| 173Re | 75 | 98 | 172,95324(3) | 1,98(26) mnt | β+ | 173W | (5/2−) | ||||||||||||
| 174Re | 75 | 99 | 173,95312(3) | 2,40(4) mnt | β+ | 174W | |||||||||||||
| 175Re | 75 | 100 | 174,95138(3) | 5,89(5) mnt | β+ | 175W | (5/2−) | ||||||||||||
| 176Re | 75 | 101 | 175,95162(3) | 5,3(3) mnt | β+ | 176W | 3+ | ||||||||||||
| 177Re | 75 | 102 | 176,95033(3) | 14(1) mnt | β+ | 177W | 5/2− | ||||||||||||
| 177mRe | 84,71(10) keV | 50(10) μdtk | 5/2+ | ||||||||||||||||
| 178Re | 75 | 103 | 177,95099(3) | 13,2(2) mnt | β+ | 178W | (3+) | ||||||||||||
| 179Re | 75 | 104 | 178,949988(26) | 19,5(1) mnt | β+ | 179W | (5/2)+ | ||||||||||||
| 179m1Re | 65,39(9) keV | 95(25) μdtk | (5/2−) | ||||||||||||||||
| 179m2Re | 1684,59(14)+Y keV | >0,4 μdtk | (23/2+) | ||||||||||||||||
| 180Re | 75 | 105 | 179,950789(23) | 2,44(6) mnt | β+ | 180W | (1)− | ||||||||||||
| 181Re | 75 | 106 | 180,950068(14) | 19,9(7) jam | β+ | 181W | 5/2+ | ||||||||||||
| 182Re | 75 | 107 | 181,95121(11) | 64,0(5) jam | β+ | 182W | 7+ | ||||||||||||
| 182m1Re | 60(100) keV | 12,7(2) jam | β+ | 182W | 2+ | ||||||||||||||
| 182m2Re | 235,736(10)+X keV | 585(21) ndtk | 2− | ||||||||||||||||
| 182m3Re | 461,3(1)+X keV | 0,78(9) μdtk | (4−) | ||||||||||||||||
| 183Re | 75 | 108 | 182,950820(9) | 70,0(14) hri | EC | 183W | 5/2+ | ||||||||||||
| 183mRe | 1907,6(3) keV | 1,04(4) mdtk | IT | 183Re | (25/2+) | ||||||||||||||
| 184Re | 75 | 109 | 183,952521(5) | 38,0(5) hri | β+ | 184W | 3(−) | ||||||||||||
| 184mRe | 188,01(4) keV | 169(8) hri | IT (75,4%) | 184Re | 8(+) | ||||||||||||||
| β+ (24,6%) | 184W | ||||||||||||||||||
| 185Re | 75 | 110 | 184,9529550(13) | Stabil Secara Pengamatan[n 10] | 5/2+ | 0,3740(2) | |||||||||||||
| 185mRe | 2124(2) keV | 123(23) ndtk | (21/2) | ||||||||||||||||
| 186Re | 75 | 111 | 185,9549861(13) | 3,7186(5) hri | β− (93,1%) | 186Os | 1− | ||||||||||||
| EC (6,9%) | 186W | ||||||||||||||||||
| 186mRe | 149(7) keV | 2,0(5)×105 thn | IT (90%) | 186Re | (8+) | ||||||||||||||
| β− (10%) | 186Os | ||||||||||||||||||
| 187Re[n 11][n 12] | 75 | 112 | 186,9557531(15) | 41,2(2)×109 thn[n 13] | β−[n 14] | 187Os | 5/2+ | 0,6260(2) | |||||||||||
| 188Re | 75 | 113 | 187,9581144(15) | 17,0040(22) jam | β− | 188Os | 1− | ||||||||||||
| 188mRe | 172,069(9) keV | 18,59(4) mnt | IT | 188Re | (6)− | ||||||||||||||
| 189Re | 75 | 114 | 188,959229(9) | 24,3(4) jam | β− | 189Os | 5/2+ | ||||||||||||
| 190Re | 75 | 115 | 189,96182(16) | 3,1(3) mnt | β− | 190Os | (2)− | ||||||||||||
| 190mRe | 210(50) keV | 3,2(2) jam | β− (54,4%) | 190Os | (6−) | ||||||||||||||
| IT (45,6%) | 190Re | ||||||||||||||||||
| 191Re | 75 | 116 | 190,963125(11) | 9,8(5) mnt | β− | 191Os | (3/2+, 1/2+) | ||||||||||||
| 192Re | 75 | 117 | 191,96596(21)# | 16(1) dtk | β− | 192Os | |||||||||||||
| 193Re | 75 | 118 | 192,96747(21)# | 30# dtk [>300 ndtk] | 5/2+# | ||||||||||||||
| 194Re | 75 | 119 | 193,97042(32)# | 2# dtk [>300 ndtk] | |||||||||||||||
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Renium-186
Radiofarmasi.
Referensi
- Massa isotop dari:
- Audi, Georges; Bersillon, Olivier; Blachot, Jean; Wapstra, Aaldert Hendrik (2003), "The NUBASE evaluation of nuclear and decay properties", Nuclear Physics A, 729: 3–128, Bibcode:2003NuPhA.729....3A, doi:10.1016/j.nuclphysa.2003.11.001
- Komposisi isotop dan massa atom standar dari:
- de Laeter, John Robert; Böhlke, John Karl; De Bièvre, Paul; Hidaka, Hiroshi; Peiser, H. Steffen; Rosman, Kevin J. R.; Taylor, Philip D. P. (2003). "Atomic weights of the elements. Review 2000 (IUPAC Technical Report)". Pure and Applied Chemistry. 75 (6): 683–800. doi:10.1351/pac200375060683
. - Wieser, Michael E. (2006). "Atomic weights of the elements 2005 (IUPAC Technical Report)". Pure and Applied Chemistry. 78 (11): 2051–2066. doi:10.1351/pac200678112051 .
- de Laeter, John Robert; Böhlke, John Karl; De Bièvre, Paul; Hidaka, Hiroshi; Peiser, H. Steffen; Rosman, Kevin J. R.; Taylor, Philip D. P. (2003). "Atomic weights of the elements. Review 2000 (IUPAC Technical Report)". Pure and Applied Chemistry. 75 (6): 683–800. doi:10.1351/pac200375060683
- "News & Notices: Standard Atomic Weights Revised". International Union of Pure and Applied Chemistry. 19 Oktober 2005.
- Data waktu paruh, spin, dan isomer dipilih dari sumber-sumber berikut.
- Audi, Georges; Bersillon, Olivier; Blachot, Jean; Wapstra, Aaldert Hendrik (2003), "The NUBASE evaluation of nuclear and decay properties", Nuclear Physics A, 729: 3–128, Bibcode:2003NuPhA.729....3A, doi:10.1016/j.nuclphysa.2003.11.001
- National Nuclear Data Center. "NuDat 2.x database". Laboratorium Nasional Brookhaven.
- Holden, Norman E. (2004). "11. Table of the Isotopes". Dalam Lide, David R. CRC Handbook of Chemistry and Physics (edisi ke-85). Boca Raton, Florida: CRC Press. ISBN 978-0-8493-0485-9.
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