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Isotopen van holmium
Es Chemisches ElementHolmium (Ho), mit a Atommasse ab 164.93032(2) Sie, besitzt 1 Stall Isotop: 165Ho, der verdächtigt wird, -zerfallen auf die fallen Radioisotop161tb. Es ist auch das einzige natürlich vorkommende Isotop dieses Elements, was es zu einem der mononuklidische Elemente. Die 34 Radioisotope sind instabil und haben eine relativ kurze Halbwertszeit (die meisten weniger als eins). zweite).
Das kurzlebige Isotop von Holmium ist 141Ho, mit einer Halbwertszeit von etwa 4,1 Millisekunden. Die langlebigste ist 163Ho, mit einer Halbwertszeit von 4570 Jahr.
Überblick
| Nuklid | Z (p) | N (nein) | Isotope Masse (u) | halbes Leben | Radioaktiver Zerfall | VP | Kernspin | Isotopenverhältnis (Molenbruch) | Natürliches Vorkommen (Molbruch) |
|---|---|---|---|---|---|---|---|---|---|
| Anregungsenergie | |||||||||
| 140ho | 67 | 73 | 139,96854(54) | 6(3) ms | 8 | ||||
| 141ho | 67 | 74 | 140,96310(54) | 4,1(3) ms | (7/2−) | ||||
| 141mho | 66(2) keV | 6,4(8) µs | (1/2) | ||||||
| 142ho | 67 | 75 | 141,95977(54) | 400(100) ms | β | 142dy | (6 bis 9) | ||
| p | 141dy | ||||||||
| 143ho | 67 | 76 | 142,95461(43) | 300ms [>200ns] | β | 143dy | 11/2− | ||
| 144ho | 67 | 77 | 143,95148(32) | 0,7(1) Sek. | β | 144dy | |||
| β, p | 143tb | ||||||||
| 145ho | 67 | 78 | 144,94720(32) | 2,4(1) Sek. | β | 145dy | (11/2−) | ||
| 145mho | 100(100) keV | 100ms | 5/2 | ||||||
| 146ho | 67 | 79 | 145,94464(21) | 3,6(3) s | β | 146dy | (10) | ||
| β, p (selten) | 145tb | ||||||||
| 147ho | 67 | 80 | 146,94006(3) | 5,8(4) s | β | 147dy | (11/2−) | ||
| β, p (selten) | 146tb | ||||||||
| 148ho | 67 | 81 | 147,93772(14) | 2.2(11) s | β | 148dy | (1) | ||
| 148m1ho | 400(100) keV | 9,49(12) s | β (99,92%) | 148dy | 6− | ||||
| β, p (0,08%) | 147tb | ||||||||
| 148m2ho | 690(100) keV | 2,35(4) ms | (10) | ||||||
| 149ho | 67 | 82 | 148,933775(20) | 21.1(2) s | β | 149dy | (11/2−) | ||
| 149m1ho | 48,80(20) keV | 56(3) s | β | 149dy | (1/2) | ||||
| 149m2ho | 7200(350) keV | > 100 ns | |||||||
| 150ho | 67 | 83 | 149,933496(15) | 76,8(18) s | β | 150dy | 2− | ||
| 150m1ho | −10(50) keV | 23,3(3) Sek. | β | 150dy | 9 | ||||
| 150m2ho | ± 8000 keV | 751 ns | |||||||
| 151ho | 67 | 84 | 150,931688(13) | 35,2(1) s | β (78%) | 151dy | 11/2− | ||
| α (22%) | 147tb | ||||||||
| 151mho | 41,0(2) keV | 47,2(10) s | (77%) | 147tb | 1/2 | ||||
| β (22%) | 151dy | ||||||||
| 152ho | 67 | 85 | 151,931714(15) | 161,8(3) s | β (88%) | 152dy | 2− | ||
| (12 %) | 148tb | ||||||||
| 152m1ho | 160(1) keV | 50,0(4) Sek. | 9 | ||||||
| 152m2ho | 3019,59(19) keV | 8,4(3) µs | 19− | ||||||
| 153ho | 67 | 86 | 152,930199(6) | 2,01(3) min | β (99,94%) | 153dy | 11/2− | ||
| (0,05%) | 149tb | ||||||||
| 153m1ho | 68,7(3) keV | 9,3(5) min | β (99,82%) | 153dy | 1/2 | ||||
| (0,18%) | 149tb | ||||||||
| 153m2ho | 2772 keV | 229(2) ns | (31/2) | ||||||
| 154ho | 67 | 87 | 153,930602(9) | 11,76(19) Minuten | β (99,98%) | 154dy | 2− | ||
| (0,02%) | 150tb | ||||||||
| 154mho | 238(30) keV | 3,10(14) min | β (99,99%) | 154dy | 8 | ||||
| (0,001%) | 150tb | ||||||||
| ES (selten) | 154ho | ||||||||
| 155ho | 67 | 88 | 154,929103(19) | 48(1) Minuten | β | 155dy | 5/2 | ||
| 155mho | 141,97(11) keV | 880(80) µs | 11/2− | ||||||
| 156ho | 67 | 89 | 155,92984(5) | 56(1) Minuten | β | 156dy | 4− | ||
| 156m1ho | 100(50) keV | 7,8(3) Minuten | β | 156dy | (9) | ||||
| ES | 156ho | ||||||||
| 156m2ho | 52,4(5) keV | 9,5(15) s | 1− | ||||||
| 157ho | 67 | 90 | 156,928256(26) | 12,6 (2) Minuten | β | 157dy | 7/2− | ||
| 158ho | 67 | 91 | 157,928941(29) | 11,3(4) min | β (93%) | 158dy | 5 | ||
| (7%) | 154tb | ||||||||
| 158m1ho | 67.200(10) keV | 28(2) Minuten | IT (81%) | 158ho | 2− | ||||
| β (19%) | 158dy | ||||||||
| 158m2ho | 180(70) keV | 21,3(23) min | (9) | ||||||
| 159ho | 67 | 92 | 158,927712(4) | 33,05(11) min | β | 159dy | 7/2− | ||
| 159mho | 205,91(5) keV | 8.30(8) Uhr | ES | 159ho | 1/2 | ||||
| 160ho | 67 | 93 | 159,928729(16) | 25,6(3) min | β | 160dy | 5 | ||
| 160m1ho | 59,98(3) keV | 5,02(5) Stunden | IT (65%) | 160ho | 2− | ||||
| β (35%) | 160dy | ||||||||
| 160m2ho | 197(16) keV | 3 Sekunden | (9) | ||||||
| 161ho | 67 | 94 | 160,927855(3) | 2,48(5) Stunden | EV | 161dy | 7/2− | ||
| 161mho | 211,16(3) keV | 6.76(7) s | ES | 161ho | 1/2 | ||||
| 162ho | 67 | 95 | 161,929096(4) | 15,0(10) Minuten | β | 162dy | 1 | ||
| 162mho | 106(7) keV | 67,0(7) min | IT (62%) | 162ho | 6− | ||||
| β (38%) | 162dy | ||||||||
| 163ho | 67 | 96 | 162,9287339(27) | 4570(25) Jahre | EV | 163dy | 7/2− | ||
| 163mho | 297,88(7) keV | 1,09(3) s | ES | 163ho | 1/2 | ||||
| 164ho | 67 | 97 | 163,9302335(30) | 29(1) Minuten | EV (60%) | 164dy | 1 | ||
| β− (40%) | 164ähm | ||||||||
| 164mho | 139,77(8) keV | 38,0(10) min | ES | 164ho | 6− | ||||
| 165ho | 67 | 98 | 164,9303221(27) | stabil | 7/2− | 1,0000 | |||
| 166ho | 67 | 99 | 165,9322842(27) | 26.83(2) Stunden | β− | 166ähm | 0− | ||
| 166m1ho | 5.985(18) keV | 1.200(180) Jahre | β− | 166ähm | 7− | ||||
| 166m2ho | 190,9052(20) keV | 185(15) µs | 3 | ||||||
| 167ho | 67 | 100 | 166,933133(6) | 3.003(18) Stunden | β− | 167ähm | 7/2− | ||
| 167 mho | 259,34(11) keV | 6,0(10) µs | 3/2 | ||||||
| 168ho | 67 | 101 | 167,93552(3) | 2,99(7) Minuten | β− | 168ähm | 3 | ||
| 168m1ho | 59(1) keV | 132(4) s | IT (99,5%) | 168ho | (6) | ||||
| β− (0,5%) | 168ähm | ||||||||
| 168m2ho | 143,4(2) keV | > 4 µs | 1− | ||||||
| 168m3ho | 192,6 (2) keV | 108(11) ns | 1 | ||||||
| 169ho | 67 | 102 | 168,936872(22) | 4,72(10) min | β− | 169ähm | 7/2− | ||
| 170ho | 67 | 103 | 169,93962(5) | 2,76(5) min | β− | 170ähm | 6 | ||
| 170mho | 120(70) keV | 43(2) s | β− | 170ähm | (1) | ||||
| 171ho | 67 | 104 | 170,94147(64) | 53(2) s | β− | 171ähm | 7/2− | ||
| 172ho | 67 | 105 | 171,94482(43) | 25(3) s | β− | 172ähm | |||
| 173ho | 67 | 106 | 172,94729(43) | 10 Sekunden | β− | 173ähm | 7/2− | ||
| 174ho | 67 | 107 | 173,95115(54) | 8 s | |||||
| 175ho | 67 | 108 | 174,95405(64) | 5 Sekunden | 7/2− | ||||
Übersicht der Isotope pro Element
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