# Isotopen van lutetium

Het chemisch element lutetium (Lu), met een atoommassa van 174,967(1) u, bezit 1 stabiele isotoop: $^{175}$Lu, die ervan verdacht wordt om via α-verval te vervallen tot de radio-isotoop $^{171}$Tm. De isotoop bezit een natuurlijke abundantie van 97,41%. De andere in de natuur voorkomende isotoop is de radio-isotoop $^{176}$Lu, die een halveringstijd van 38,5 miljard jaar bezit. De overige 32 radio-isotopen zijn onstabiel en hebben een relatief korte halfwaardetijd (de meeste minder dan een seconde).
De kortstlevende isotoop van lutetium is $^{150}$Lu, met een halveringstijd van ongeveer 43 milliseconden. De langstlevende is $^{176}$Lu, met een halfwaardetijd van 37,8 miljard jaar.

## Overzicht

| Nuclide | Z (p) | N (n) | Isotopische massa (u) | Halveringstijd | Radioactief verval | VP | Kernspin | Isotopische verhouding (molfractie) |
| Natuurlijk voorkomen (molfractie) |||
| $^{150}$Lu | 71 | 79 | 149,97323(54) | 43(5) ms | p (80%) | $^{149}$Yb | (2$^+$) | |
| $^{150}$Lu | 71 | 79 | 149,97323(54) | 43(5) ms | β$^+$ (20%) | $^{150}$Yb | (2$^+$) | |
| $^{150m}$Lu | 34(15) keV | 34(15) keV | 34(15) keV | 80(60) µs | | | (1, 2) | |
| $^{151}$Lu | 71 | 80 | 150,96758(43) | 80,6(19) ms | β$^+$ | $^{151}$Yb | (11/2$^−$) | |
| $^{151m}$Lu | 77(5) keV | 77(5) keV | 77(5) keV | 16(1) µs | | | (3/2$^+$) | |
| $^{152}$Lu | 71 | 81 | 151,96412(21) | 650(70) ms | β$^+$ (85%) | $^{152}$Yb | (5$^−$, 6$^−$) | |
| $^{152}$Lu | 71 | 81 | 151,96412(21) | 650(70) ms | β$^+$, p (15%) | $^{151}$Tm | (5$^−$, 6$^−$) | |
| $^{153}$Lu | 71 | 82 | 152,95877(22) | 0,9(2) s | β$^+$ | $^{153}$Yb | 11/2$^−$ | |
| $^{153}$Lu | 71 | 82 | 152,95877(22) | 0,9(2) s | α | $^{149}$Tm | 11/2$^−$ | |
| $^{153m1}$Lu | 80(5) keV | 80(5) keV | 80(5) keV | 1 s | | | 1/2$^+$ | |
| $^{153m2}$Lu | 2502,5(4) keV | 2502,5(4) keV | 2502,5(4) keV | > 0,1 µs | | | 23/2$^−$ | |
| $^{153m3}$Lu | 2632,9(5) keV | 2632,9(5) keV | 2632,9(5) keV | 15(3) µs | | | 27/2$^−$ | |
| $^{154}$Lu | 71 | 83 | 153,95752(22) | 1 s | β$^+$ | $^{154}$Yb | (2$^−$) | |
| $^{154m1}$Lu | 58(13) keV | 58(13) keV | 58(13) keV | 1,12(8) s | | | (9$^+$) | |
| $^{154m2}$Lu | > 2562 keV | > 2562 keV | > 2562 keV | 35(3) µs | | | (17$^+$) | |
| $^{155}$Lu | 71 | 84 | 154,954316(22) | 68,6(16) ms | α (76%) | $^{151}$Tm | (11/2$^−$) | |
| $^{155}$Lu | 71 | 84 | 154,954316(22) | 68,6(16) ms | β$^+$ (24%) | $^{155}$Yb | (11/2$^−$) | |
| $^{155m1}$Lu | 20(6) keV | 20(6) keV | 20(6) keV | 138(8) ms | α (88%) | $^{151}$Tm | (1/2$^+$) | |
| $^{155m1}$Lu | 20(6) keV | 20(6) keV | 20(6) keV | 138(8) ms | β$^+$ (12%) | $^{155}$Yb | (1/2$^+$) | |
| $^{155m2}$Lu | 1781,0(20) keV | 1781,0(20) keV | 1781,0(20) keV | 2,70(3) ms | | | (25/2$^−$) | |
| $^{156}$Lu | 71 | 85 | 155,95303(8) | 494(12) ms | α (95%) | $^{152}$Tm | 2$^−$ | |
| $^{156}$Lu | 71 | 85 | 155,95303(8) | 494(12) ms | β$^+$ (5%) | $^{156}$Yb | 2$^−$ | |
| $^{156m}$Lu | 220(80) keV | 220(80) keV | 220(80) keV | 198(2) ms | α (94%) | $^{152}$Tm | (9)$^+$ | |
| $^{156m}$Lu | 220(80) keV | 220(80) keV | 220(80) keV | 198(2) ms | β$^+$ (6%) | $^{156}$Yb | (9)$^+$ | |
| $^{157}$Lu | 71 | 86 | 156,950098(20) | 6,8(18) s | β$^+$ | $^{157}$Yb | (1/2$^+$, 3/2$^+$) | |
| $^{157}$Lu | 71 | 86 | 156,950098(20) | 6,8(18) s | α | $^{153}$Tm | (1/2$^+$, 3/2$^+$) | |
| $^{157m}$Lu | 21,0(20) keV | 21,0(20) keV | 21,0(20) keV | 4,79(12) s | β$^+$ (94%) | $^{157}$Yb | (11/2$^−$) | |
| $^{157m}$Lu | 21,0(20) keV | 21,0(20) keV | 21,0(20) keV | 4,79(12) s | α (6%) | $^{153}$Tm | (11/2$^−$) | |
| $^{158}$Lu | 71 | 87 | 157,949313(16) | 10,6(3) s | β$^+$ (99,09%) | $^{158}$Yb | 2$^−$ | |
| $^{158}$Lu | 71 | 87 | 157,949313(16) | 10,6(3) s | α (0,91%) | $^{154}$Tm | 2$^−$ | |
| $^{159}$Lu | 71 | 88 | 158,94663(4) | 12,1(10) s | β$^+$ (99,96%) | $^{159}$Yb | 1/2$^+$ | |
| $^{159}$Lu | 71 | 88 | 158,94663(4) | 12,1(10) s | α (0,04%) | $^{155}$Tm | 1/2$^+$ | |
| $^{159m}$Lu | 100(80) keV | 100(80) keV | 100(80) keV | 10 s | | | 11/2$^−$ | |
| $^{160}$Lu | 71 | 89 | 159,94603(6) | 36,1(3) s | β$^+$ | $^{160}$Yb | 2$^−$ | |
| $^{160}$Lu | 71 | 89 | 159,94603(6) | 36,1(3) s | α (10$^{−4}$%) | $^{156}$Tm | 2$^−$ | |
| $^{160m}$Lu | 0(100) keV | 0(100) keV | 0(100) keV | 40(1) s | | | | |
| $^{161}$Lu | 71 | 90 | 160,94357(3) | 77(2) s | β$^+$ | $^{161}$Yb | 1/2$^+$ | |
| $^{161m}$Lu | 166(18) keV | 166(18) keV | 166(18) keV | 7,3(4) ms | IT | $^{161}$Lu | (9/2$^−$) | |
| $^{162}$Lu | 71 | 91 | 161,94328(8) | 1,37(2) min | β$^+$ | $^{162}$Yb | (1$^−$) | |
| $^{162m1}$Lu | 120(200) keV | 120(200) keV | 120(200) keV | 1,5 min | β$^+$ | $^{162}$Yb | 4- | |
| $^{162m1}$Lu | 120(200) keV | 120(200) keV | 120(200) keV | 1,5 min | IT (zelden) | $^{162}$Lu | 4- | |
| $^{162m2}$Lu | 300(200) keV | 300(200) keV | 300(200) keV | 1,9 min | | | | |
| $^{163}$Lu | 71 | 92 | 162,94118(3) | 3,97(13) min | β$^+$ | $^{163}$Yb | 1/2$^+$ | |
| $^{164}$Lu | 71 | 93 | 163,94134(3) | 3,14(3) min | β$^+$ | $^{164}$Yb | 1$^−$ | |
| $^{165}$Lu | 71 | 94 | 164,939407(28) | 10,74(10) min | β$^+$ | $^{165}$Yb | 1/2$^+$ | |
| $^{166}$Lu | 71 | 95 | 165,93986(3) | 2,65(10) min | β$^+$ | $^{166}$Yb | (6$^−$) | |
| $^{166m1}$Lu | 34,37(5) keV | 34,37(5) keV | 34,37(5) keV | 1,41(10) min | EV (58%) | $^{166}$Yb | 3$^−$ | |
| $^{166m1}$Lu | 34,37(5) keV | 34,37(5) keV | 34,37(5) keV | 1,41(10) min | IT (42%) | $^{166}$Lu | 3$^−$ | |
| $^{166m2}$Lu | 42,9(5) keV | 42,9(5) keV | 42,9(5) keV | 2,12(10) min | | | 0$^−$ | |
| $^{167}$Lu | 71 | 96 | 166,93827(3) | 51,5(10) min | β$^+$ | $^{167}$Yb | 7/2$^+$ | |
| $^{167m}$Lu | 0(30) keV | 0(30) keV | 0(30) keV | > 1 min | | | 1/2$^−$ | |
| $^{168}$Lu | 71 | 97 | 167,93874(5) | 5,5(1) min | β$^+$ | $^{168}$Yb | (6$^−$) | |
| $^{168m}$Lu | 180(110) keV | 180(110) keV | 180(110) keV | 6,7(4) min | β$^+$ (95%) | $^{168}$Yb | 3$^+$ | |
| $^{168m}$Lu | 180(110) keV | 180(110) keV | 180(110) keV | 6,7(4) min | IT (5%) | $^{168}$Lu | 3$^+$ | |
| $^{169}$Lu | 71 | 98 | 168,937651(6) | 34,06(5) uur | β$^+$ | $^{169}$Yb | 7/2$^+$ | |
| $^{169m}$Lu | 29,0(5) keV | 29,0(5) keV | 29,0(5) keV | 160(10) s | IT | $^{169}$Lu | 1/2$^−$ | |
| $^{170}$Lu | 71 | 99 | 169,938475(18) | 2,012(20) dagen | β$^+$ | $^{170}$Yb | 0$^+$ | |
| $^{170m}$Lu | 92,91(9) keV | 92,91(9) keV | 92,91(9) keV | 670(100) ms | IT | $^{170}$Lu | 4$^−$ | |
| $^{171}$Lu | 71 | 100 | 170,9379131(30) | 8,24(3) dagen | β$^+$ | $^{171}$Yb | 7/2$^+$ | |
| $^{171m}$Lu | 71,13(8) keV | 71,13(8) keV | 71,13(8) keV | 79(2) s | IT | $^{171}$Lu | 1/2$^−$ | |
| $^{172}$Lu | 71 | 101 | 171,939086(3) | 6,70(3) dagen | β$^+$ | $^{172}$Yb | 4$^−$ | |
| $^{172m1}$Lu | 41,86(4) keV | 41,86(4) keV | 41,86(4) keV | 3,7(5) min | IT | $^{172}$Lu | 1$^−$ | |
| $^{172m2}$Lu | 65,79(4) keV | 65,79(4) keV | 65,79(4) keV | 0,332(20) µs | | | 1$^+$ | |
| $^{172m3}$Lu | 109,41(10) keV | 109,41(10) keV | 109,41(10) keV | 440(12) µs | | | 1$^+$ | |
| $^{172m4}$Lu | 213,57(17) keV | 213,57(17) keV | 213,57(17) keV | 150 ns | | | (6$^−$) | |
| $^{173}$Lu | 71 | 102 | 172,9389306(26) | 1,37(1) jaar | EV | $^{173}$Yb | 7/2$^+$ | |
| $^{173m}$Lu | 123,672(13) keV | 123,672(13) keV | 123,672(13) keV | 74,2(10) µs | | | 5/2$^−$ | |
| $^{174}$Lu | 71 | 103 | 173,9403375(26) | 3,31(5) jaar | β$^+$ | $^{174}$Yb | 1$^−$ | |
| $^{174m1}$Lu | 170,83(5) keV | 170,83(5) keV | 170,83(5) keV | 142(2) dagen | IT (99,38%) | $^{174}$Lu | 6$^−$ | |
| $^{174m1}$Lu | 170,83(5) keV | 170,83(5) keV | 170,83(5) keV | 142(2) dagen | EV (0,62%) | $^{174}$Yb | 6$^−$ | |
| $^{174m2}$Lu | 240,818(4) keV | 240,818(4) keV | 240,818(4) keV | 395(15) ns | | | (3$^+$) | |
| $^{174m3}$Lu | 365,183(6) keV | 365,183(6) keV | 365,183(6) keV | 145(3) ns | | | (4$^−$) | |
| $^{175}$Lu | 71 | 104 | 174,9407718(23) | stabiel | stabiel | stabiel | 7/2$^+$ | 0,9741(2) |
| $^{175m1}$Lu | 1392,2(6) keV | 1392,2(6) keV | 1392,2(6) keV | 984(30) µs | | | (19/2$^+$) | |
| $^{175m2}$Lu | 353,48(13) keV | 353,48(13) keV | 353,48(13) keV | 1,49(7) µs | | | 5/2$^−$ | |
| $^{176}$Lu | 71 | 105 | 175,9426863(23) | 38,5(7) × 10$^9$ jaar | β$^−$ | $^{176}$Hf | 7- | 0,0259(2) |
| $^{176m}$Lu | 122,855(6) keV | 122,855(6) keV | 122,855(6) keV | 3,664(19) uur | β$^−$ (99,9%) | $^{176}$Hf | 1$^−$ | |
| $^{176m}$Lu | 122,855(6) keV | 122,855(6) keV | 122,855(6) keV | 3,664(19) uur | EV (0,095%) | $^{176}$Yb | 1$^−$ | |
| $^{177}$Lu | 71 | 106 | 176,9437581(23) | 6,6475(20) dagen | β$^−$ | $^{177}$Hf | 7/2$^+$ | |
| $^{177m1}$Lu | 150,3967(10) keV | 150,3967(10) keV | 150,3967(10) keV | 130(3) ns | | | 9/2$^−$ | |
| $^{177m2}$Lu | 569,7068(16) keV | 569,7068(16) keV | 569,7068(16) keV | 155(7) µs | | | 1/2$^+$ | |
| $^{177m3}$Lu | 970,1750(24) keV | 970,1750(24) keV | 970,1750(24) keV | 160,44(6) dagen | β$^−$ (78,3%) | $^{177}$Hf | 23/2$^−$ | |
| $^{177m3}$Lu | 970,1750(24) keV | 970,1750(24) keV | 970,1750(24) keV | 160,44(6) dagen | IT (21,7%) | $^{177}$Lu | 23/2$^−$ | |
| $^{177m4}$Lu | 3900(10) keV | 3900(10) keV | 3900(10) keV | 7(2) min | | | 39/2$^−$ | |
| $^{178}$Lu | 71 | 107 | 177,945955(3) | 28,4(2) min | β$^−$ | $^{178}$Hf | 1$^+$ | |
| $^{178m}$Lu | 123,8(26) keV | 123,8(26) keV | 123,8(26) keV | 23,1(3) min | β$^−$ | $^{178}$Hf | 9$^−$ | |
| $^{179}$Lu | 71 | 108 | 178,947327(6) | 4,59(6) uur | β$^−$ | $^{179}$Hf | 7/2$^+$ | |
| $^{179m}$Lu | 592,4(4) keV | 592,4(4) keV | 592,4(4) keV | 3,1(9) ms | IT | $^{179}$Lu | 1/2$^+$ | |
| $^{180}$Lu | 71 | 109 | 179,94988(8) | 5,7(1) min | β$^−$ | $^{180}$Hf | 5$^+$ | |
| $^{180m1}$Lu | 13,9(3) keV | 13,9(3) keV | 13,9(3) keV | ± 1 s | IT | $^{180}$Lu | 3$^−$ | |
| $^{180m2}$Lu | 624,0(5) keV | 624,0(5) keV | 624,0(5) keV | > 1 ms | | | (9$^−$) | |
| $^{181}$Lu | 71 | 110 | 180,95197(32) | 3,5(3) min | β$^−$ | $^{181}$Hf | (7/2$^+$) | |
| $^{182}$Lu | 71 | 111 | 181,95504(21) | 2,0(2) min | β$^−$ | $^{182}$Hf | (0, 1, 2) | |
| $^{183}$Lu | 71 | 112 | 182,95757(32) | 58(4) s | β$^−$ | $^{183}$Hf | (7/2$^+$) | |
| $^{184}$Lu | 71 | 113 | 183,96091(43) | 20(3) s | β$^−$ | $^{184}$Hf | (3$^+$) | |

## Overzicht van isotopen per element

* (en) R.B. Firestone, S.Y. Frank Chu & C.M. Baglin (1999) - Table of Isotopes (online versie van de cd-rom)
* (en) G. Audi, A.H. Wapstra, C. Thibault, J. Blachot & O. Bersillon (2003) - The NUBASE evaluation of nuclear and decay properties, Nuclear Physics A, 729, pp. 3-128
* (en) J.R. de Laeter, J.K. Böhlke, P. De Bièvre, H. Hidaka, H.S. Peiser, K.J.R. Rosman & P.D.P. Taylor (2003) - Atomic weights of the elements. Review 2000 (IUPAC Technical Report), Pure and Applied Chemistry, 75 (6), pp. 683–800
* (en) M.E. Wieser (2006) - Atomic weights of the elements 2005 (IUPAC Technical Report), Pure and Applied Chemistry, 78 (11), pp. 2051–2066
* (en) David R. Lide (2004) - CRC Handbook of Chemistry and Physics (85th ed.), hoofdstuk 11, CRC Press - ISBN 978-0849304859
$^{150}$Lu · $^{150m}$Lu · $^{151}$Lu · $^{151m}$Lu · $^{152}$Lu · $^{153}$Lu · $^{153m1}$Lu · $^{153m2}$Lu · $^{153m3}$Lu · $^{154}$Lu · $^{154m1}$Lu · $^{154m2}$Lu · $^{155}$Lu · $^{155m1}$Lu · $^{155m2}$Lu · $^{156}$Lu · $^{156m}$Lu · $^{157}$Lu · $^{157m}$Lu · $^{158}$Lu · $^{159}$Lu · $^{159m}$Lu · $^{160}$Lu · $^{160m}$Lu · $^{161}$Lu · $^{161m}$Lu · $^{162}$Lu · $^{162m1}$Lu · $^{162m2}$Lu · $^{163}$Lu · $^{164}$Lu · $^{165}$Lu · $^{166}$Lu · $^{166m1}$Lu · $^{166m2}$Lu · $^{167}$Lu · $^{167m}$Lu · $^{168}$Lu · $^{168m}$Lu · $^{169}$Lu · $^{169m}$Lu · $^{170}$Lu · $^{170m}$Lu · $^{171}$Lu · $^{171m}$Lu · $^{172}$Lu · $^{172m1}$Lu · $^{172m2}$Lu · $^{172m3}$Lu · $^{172m4}$Lu · $^{173}$Lu · $^{173m}$Lu · $^{174}$Lu · $^{174m1}$Lu · $^{174m2}$Lu · $^{174m3}$Lu · $^{175}$Lu · $^{175m1}$Lu · $^{175m2}$Lu · $^{176}$Lu · $^{176m}$Lu · $^{177}$Lu · $^{177m1}$Lu · $^{177m2}$Lu · $^{177m3}$Lu · $^{177m4}$Lu · $^{178}$Lu · $^{178m}$Lu · $^{179}$Lu · $^{179m}$Lu · $^{180}$Lu · $^{180m1}$Lu · $^{180m2}$Lu · $^{181}$Lu · $^{182}$Lu · $^{183}$Lu · $^{184}$Lu · $^{185}$Lu · $^{186}$Lu · $^{187}$Lu · $^{188}$Lu