탈륨 동위 원소

자연계에 존재하는 탈륨의 안정 동위 원소는 2종으로 203Tl, 205Tl이 있다. 205Tl은 넵투늄 계열의 붕괴 사슬의 최종 붕괴 생성물이다.
# 표
{| class="wikitable" | 핵종
기호 ! rowspan="2" | 과거 명칭 ! Z(p) ! N(n) !
동위 원소 질량 (u)
! rowspan="2" | 반감기 ! rowspan="2" | 붕괴
방식url-status=약자:
ε: 전자 포획
IT: 이성질핵 전이 ! rowspan="2" | 붕괴
생성물굵은 글꼴은 안정 동위 원소 ! rowspan="2" | 핵
스핀 ! rowspan="2" | 전형적
동위 원소
구성비
(몰 분율) ! rowspan="2" | 자연적
구성비
변동 범위
(몰 분율) |- ! colspan="3" | 들뜬 에너지 |- | 176Tl | | | 81 | | 95 | 176.00059(21)# | 5.2(+30-14) ms | | | (3-,4-,5-) | | |- | rowspan=2|177Tl | rowspan=2| | rowspan=2 | 81 | rowspan=2 | 96 | rowspan=2|176.996427(27) | rowspan=2|18(5) ms | p | 176Hg | rowspan=2|(1/2+) | rowspan=2| | rowspan=2| |- | α (드묾) | 173Au |- | rowspan=2 | 177mTl | rowspan=2| | rowspan=2 colspan="3" | 807(18) keV | rowspan=2|230(40) µs | p | 176Hg | rowspan=2|(11/2-) | rowspan=2| | rowspan=2| |- | α | 173Au |- | rowspan=2|178Tl | rowspan=2| | rowspan=2 | 81 | rowspan=2 | 97 | rowspan=2|177.99490(12)# | rowspan=2|255(10) ms | α | 174Au | rowspan=2| | rowspan=2| | rowspan=2| |- | p (드묾) | 177Hg |- | rowspan=2|179Tl | rowspan=2| | rowspan=2 | 81 | rowspan=2 | 98 | rowspan=2|178.99109(5) | rowspan=2|270(30) ms | α | 175Au | rowspan=2|(1/2+) | rowspan=2| | rowspan=2| |- | p (드묾) | 178Hg |- | rowspan=2 | 179mTl | rowspan=2| | rowspan=2 colspan="3" | 860(30)# keV | rowspan=2|1.60(16) ms | α | 175Au | rowspan=2|(9/2-) | rowspan=2| | rowspan=2| |- | IT (드묾) | 179Tl |- | rowspan=3|180Tl | rowspan=3| | rowspan=3 | 81 | rowspan=3 | 99 | rowspan=3|179.98991(13)# | rowspan=3|1.5(2) s | α (75%) | 176Au | rowspan=3| | rowspan=3| | rowspan=3| |- | β+ (25%) | 180Hg |- | SF (10−4%) | **100Ru**, **80Kr**http://www.scientificamerican.com/article.cfm?id=mercury-serves-up-a-nuclear-su |- | rowspan=2|181Tl | rowspan=2| | rowspan=2 | 81 | rowspan=2 | 100 | rowspan=2|180.986257(10) | rowspan=2|3.2(3) s | α | 177Au | rowspan=2|1/2+# | rowspan=2| | rowspan=2| |- | β+ | 181Hg |- | rowspan=2 | 181mTl | rowspan=2| | rowspan=2 colspan="3" | 857(29) keV | rowspan=2|1.7(4) ms | α | 177Au | rowspan=2|9/2-# | rowspan=2| | rowspan=2| |- | β+ | 181Hg |- | rowspan=2|182Tl | rowspan=2| | rowspan=2 | 81 | rowspan=2 | 101 | rowspan=2|181.98567(8) | rowspan=2|2.0(3) s | β+ (96%) | 182Hg | rowspan=2|2-# | rowspan=2| | rowspan=2| |- | α (4%) | 178Au |- | rowspan=2 | 182m1Tl | rowspan=2| | rowspan=2 colspan="3" | 100(100)# keV | rowspan=2|2.9(5) s | α | 178Au | rowspan=2|(7+) | rowspan=2| | rowspan=2| |- | β+ (드묾) | 182Hg |- | | 182m2Tl | | colspan="3" | 600(140)# keV | | | | 10- | | |- | rowspan=2|183Tl | rowspan=2| | rowspan=2 | 81 | rowspan=2 | 102 | rowspan=2|182.982193(10) | rowspan=2|6.9(7) s | β+ (98%) | 183Hg | rowspan=2|1/2+# | rowspan=2| | rowspan=2| |- | α (2%) | 179Au |- | rowspan=2 | 183m1Tl | rowspan=2| | rowspan=2 colspan="3" | 630(17) keV | rowspan=2|53.3(3) ms | IT (99.99%) | 183Tl | rowspan=2|9/2-# | rowspan=2| | rowspan=2| |- | α (0.01%) | 179Au |- | | 183m2Tl | | colspan="3" | 976.8(3) keV | 1.48(10) µs | | | (13/2+) | | |- | 184Tl | | | 81 | | 103 | 183.98187(5) | 9.7(6) s | β+ | 184Hg | 2-# | | |- | rowspan=2 | 184m1Tl | rowspan=2| | rowspan=2 colspan="3" | 100(100)# keV | rowspan=2|10# s | β+ (97.9%) | 184Hg | rowspan=2|7+# | rowspan=2| | rowspan=2| |- | α (2.1%) | 180Au |- | | 184m2Tl | | colspan="3" | 500(140)# keV | >20 ns | | | (10-) | | |- | rowspan=2|185Tl | rowspan=2| | rowspan=2 | 81 | rowspan=2 | 104 | rowspan=2|184.97879(6) | rowspan=2|19.5(5) s | α | 181Au | rowspan=2|1/2+# | rowspan=2| | rowspan=2| |- | β+ | 185Hg |- | rowspan=3 | 185mTl | rowspan=3| | rowspan=3 colspan="3" | 452.8(20) keV | rowspan=3|1.93(8) s | IT (99.99%) | 185Tl | rowspan=3|9/2-# | rowspan=3| | rowspan=3| |- | α (0.01%) | 181Au |- | β+ | 185Hg |- | rowspan=2|186Tl | rowspan=2| | rowspan=2 | 81 | rowspan=2 | 105 | rowspan=2|185.97833(20) | rowspan=2|40# s | β+ | 186Hg | rowspan=2|(2-) | rowspan=2| | rowspan=2| |- | α (0.006%) | 182Au |- | | 186m1Tl | | colspan="3" | 320(180) keV | 27.5(10) s | β+ | 186Hg | (7+) | | |- | | 186m2Tl | | colspan="3" | 690(180) keV | 2.9(2) s | | | (10-) | | |- | rowspan=2|187Tl | rowspan=2| | rowspan=2 | 81 | rowspan=2 | 106 | rowspan=2|186.975906(9) | rowspan=2|~51 s | β+ | 187Hg | rowspan=2|(1/2+) | rowspan=2| | rowspan=2| |- | α (드묾) | 183Au |- | rowspan=3 | 187mTl | rowspan=3| | rowspan=3 colspan="3" | 335(3) keV | rowspan=3|15.60(12) s | α | 183Au | rowspan=3|(9/2-) | rowspan=3| | rowspan=3| |- | IT | 187Tl |- | β+ | 187Hg |- | 188Tl | | | 81 | | 107 | 187.97601(4) | 71(2) s | β+ | 188Hg | (2-) | | |- | | 188m1Tl | | colspan="3" | 40(30) keV | 71(1) s | β+ | 188Hg | (7+) | | |- | | 188m2Tl | | colspan="3" | 310(30) keV | 41(4) ms | | | (9-) | | |- | 189Tl | | | 81 | | 108 | 188.973588(12) | 2.3(2) min | β+ | 189Hg | (1/2+) | | |- | rowspan=2 | 189mTl | rowspan=2| | rowspan=2 colspan="3" | 257.6(13) keV | rowspan=2|1.4(1) min | β+ (96%) | 189Hg | rowspan=2|(9/2-) | rowspan=2| | rowspan=2| |- | IT (4%) | 189Tl |- | 190Tl | | | 81 | | 109 | 189.97388(5) | 2.6(3) min | β+ | 190Hg | 2(-) | | |- | | 190m1Tl | | colspan="3" | 130(90)# keV | 3.7(3) min | β+ | 190Hg | 7(+#) | | |- | | 190m2Tl | | colspan="3" | 290(70)# keV | 750(40) µs | | | (8-) | | |- | | 190m3Tl | | colspan="3" | 410(70)# keV | >1 µs | | | 9- | | |- | 191Tl | | | 81 | | 110 | 190.971786(8) | 20# min | β+ | 191Hg | (1/2+) | | |- | | 191mTl | | colspan="3" | 297(7) keV | 5.22(16) min | β+ | 191Hg | 9/2(-) | | |- | 192Tl | | | 81 | | 111 | 191.97223(3) | 9.6(4) min | β+ | 192Hg | (2-) | | |- | | 192m1Tl | | colspan="3" | 160(50) keV | 10.8(2) min | β+ | 192Hg | (7+) | | |- | | 192m2Tl | | colspan="3" | 407(54) keV | 296(5) ns | | | (8-) | | |- | 193Tl | | | 81 | | 112 | 192.97067(12) | 21.6(8) min | β+ | 193Hg | 1/2(+#) | | |- | rowspan=2 | 193mTl | rowspan=2| | rowspan=2 colspan="3" | 369(4) keV | rowspan=2|2.11(15) min | IT (75%) | 193Tl | rowspan=2|9/2- | rowspan=2| | rowspan=2| |- | β+ (25%) | 193Hg |- | rowspan=2|194Tl | rowspan=2| | rowspan=2 | 81 | rowspan=2 | 113 | rowspan=2|193.97120(15) | rowspan=2|33.0(5) min | β+ | 194Hg | rowspan=2|2- | rowspan=2| | rowspan=2| |- | α (10−7%) | 190Au |- | | 194mTl | | colspan="3" | 300(200)# keV | 32.8(2) min | β+ | 194Hg | (7+) | | |- | 195Tl | | | 81 | | 114 | 194.969774(15) | 1.16(5) h | β+ | 195Hg | 1/2+ | | |- | | 195mTl | | colspan="3" | 482.63(17) keV | 3.6(4) s | IT | 195Tl | 9/2- | | |- | 196Tl | | | 81 | | 115 | 195.970481(13) | 1.84(3) h | β+ | **196Hg** | 2- | | |- | rowspan=2 | 196mTl | rowspan=2| | rowspan=2 colspan="3" | 394.2(5) keV | rowspan=2|1.41(2) h | β+ (95.5%) | **196Hg** | rowspan=2|(7+) | rowspan=2| | rowspan=2| |- | IT (4.5%) | 196Tl |- | 197Tl | | | 81 | | 116 | 196.969575(18) | 2.84(4) h | β+ | 197Hg | 1/2+ | | |- | | 197mTl | | colspan="3" | 608.22(8) keV | 540(10) ms | IT | 197Tl | 9/2- | | |- | 198Tl | | | 81 | | 117 | 197.97048(9) | 5.3(5) h | β+ | **198Hg** | 2- | | |- | rowspan=2 | 198m1Tl | rowspan=2| | rowspan=2 colspan="3" | 543.5(4) keV | rowspan=2|1.87(3) h | β+ (54%) | **198Hg** | rowspan=2|7+ | rowspan=2| | rowspan=2| |- | IT (46%) | 198Tl |- | | 198m2Tl | | colspan="3" | 687.2(5) keV | 150(40) ns | | | (5+) | | |- | | 198m3Tl | | colspan="3" | 742.3(4) keV | 32.1(10) ms | | | (10-)# | | |- | 199Tl | | | 81 | | 118 | 198.96988(3) | 7.42(8) h | β+ | **199Hg** | 1/2+ | | |- | | 199mTl | | colspan="3" | 749.7(3) keV | 28.4(2) ms | IT | 199Tl | 9/2- | | |- | 200Tl | | | 81 | | 119 | 199.970963(6) | 26.1(1) h | β+ | **200Hg** | 2- | | |- | | 200m1Tl | | colspan="3" | 753.6(2) keV | 34.3(10) ms | IT | 200Tl | 7+ | | |- | | 200m2Tl | | colspan="3" | 762.0(2) keV | 0.33(5) µs | | | 5+ | | |- | 201Tl신티그래피에 사용되는 주요 동위 원소이다. | | | 81 | | 120 | 200.970819(16) | 72.912(17) h | ε | **201Hg** | 1/2+ | | |- | | 201mTl | | colspan="3" | 919.50(9) keV | 2.035(7) ms | IT | 201Tl | (9/2-) | | |- | 202Tl | | | 81 | | 121 | 201.972106(16) | 12.23(2) d | β+ | **202Hg** | 2- | | |- | | 202mTl | | colspan="3" | 950.19(10) keV | 572(7) µs | | | 7+ | | |- | 203Tl | | | 81 | | 122 | 202.9723442(14) | colspan=3 align=center|**관찰상 안정**알파 붕괴를 통해 199Au로 붕괴할 것으로 추정된다. | 1/2+ | 0.2952(1) | 0.29494-0.29528 |- | | 203mTl | | colspan="3" | 3400(300) keV | 7.7(5) µs | | | (25/2+) | | |- | rowspan=2|204Tl | rowspan=2| | rowspan=2 | 81 | rowspan=2 | 123 | rowspan=2|203.9738635(13) | rowspan=2|3.78(2) y | β- (97.1%) | **204Pb** | rowspan=2|2- | rowspan=2| | rowspan=2| |- | ε (2.9%) | **204Hg** |- | | 204m1Tl | | colspan="3" | 1104.0(4) keV | 63(2) µs | | | (7)+ | | |- | | 204m2Tl | | colspan="3" | 2500(500) keV | 2.6(2) µs | | | (12-) | | |- | | 204m3Tl | | colspan="3" | 3500(500) keV | 1.6(2) µs | | | (20+) | | |- | 205Tl붕괴 계열 중 넵투늄 계열의 최종 붕괴 생성물이다. | | | 81 | | 124 | 204.9744275(14) | colspan=3 align=center|**관찰상 안정**알파 붕괴를 통해 201Au로 붕괴할 것으로 추정된다. | 1/2+ | 0.7048(1) | 0.70472-0.70506 |- | | 205m1Tl | | colspan="3" | 3290.63(17) keV | 2.6(2) µs | | | 25/2+ | | |- | | 205m2Tl | | colspan="3" | 4835.6(15) keV | 235(10) ns | | | (35/2-) | | |- | 206Tl | 라듐 E* | | 81 | | 125 | 205.9761103(15) | 4.200(17) min | β- | **206Pb** | 0- | 미량238U의 중간 붕괴 생성물이다. | |- | | 206mTl | | colspan="3" | 2643.11(19) keV | 3.74(3) min | IT | 206Tl | (12-) | | |- | 207Tl | 악티늄 C* | | 81 | | 126 | 206.977419(6) | 4.77(2) min | β- | **207Pb** | 1/2+ | 미량235U의 중간 붕괴 생성물이다. | |- | rowspan=2 | 207mTl | rowspan=2| | rowspan=2 colspan="3" | 1348.1(3) keV | rowspan=2|1.33(11) s | IT (99.9%) | 207Tl | rowspan=2|11/2- | rowspan=2| | rowspan=2| |- | β- (0.1%) | **207Pb** |- | 208Tl | 토륨 C'' | | 81 | | 127 | 207.9820187(21) | 3.053(4) min | β- | **208Pb** | 5(+) | 미량232Th의 중간 붕괴 생성물이다. | |- | 209Tl | | | 81 | | 128 | 208.985359(8) | 2.161(7) min | β- | 209Pb | (1/2+) | | |- | rowspan=2|210Tl | rowspan=2|라듐 C″ | rowspan=2 | 81 | rowspan=2 | 129 | rowspan=2|209.990074(12) | rowspan=2|1.30(3) min | β- (99.991%) | 210Pb | rowspan=2|(5+)# | rowspan=2| 미량 | rowspan=2| |- | β-, n (0.009%) | 209Pb |- | 211Tl | | | 81 | | 130 | 210.99348(22)# | 1# min
[>300 ns] | | | 1/2+# | | |- | 212Tl | | | 81 | | 131 | 211.99823(32)# | 30# s
[>300 ns] | | | 5+# | | |}
# 참고
group="n"