水銀の同位体
表示
(水銀206から転送)
水銀(Hg)は7種類の同位体を持つ。29.86%と最も豊富に存在するものは202Hgである。最も寿命の長い放射性同位体は194Hgで、半減期は444年である。203Hgの半減期は46.612日である。その他はほとんどが1日以下の半減期である。199Hgと201Hgはそれぞれ1/2、3/2のスピン角運動量を持ち、核磁気共鳴励起核として盛んに研究されている。
一覧
[編集]同位体核種 | Z(p) | N(n) | 同位体質量 (u) | 半減期 | 核スピン数 | 天然存在比 | 天然存在比 (範囲) |
---|---|---|---|---|---|---|---|
励起エネルギー | |||||||
171Hg | 80 | 91 | 171.00376(32)# | 80(30) µs [59(+36-16) µs] | 3/2-# | ||
172Hg | 80 | 92 | 171.99883(22) | 420(240) µs [0.25(+35-9) ms] | 0 | ||
173Hg | 80 | 93 | 172.99724(22)# | 1.1(4) ms [0.6(+5-2) ms] | 3/2-# | ||
174Hg | 80 | 94 | 173.992864(21) | 2.0(4) ms [2.1(+18-7) ms] | 0+ | ||
175Hg | 80 | 95 | 174.99142(11) | 10.8(4) ms | 5/2-# | ||
176Hg | 80 | 96 | 175.987355(15) | 20.4(15) ms | 0+ | ||
177Hg | 80 | 97 | 176.98628(8) | 127.3(18) ms | 5/2-# | ||
178Hg | 80 | 98 | 177.982483(14) | 0.269(3) s | 0+ | ||
179Hg | 80 | 99 | 178.981834(29) | 1.09(4) s | 5/2-# | ||
180Hg | 80 | 100 | 179.978266(15) | 2.58(1) s | 0+ | ||
181Hg | 80 | 101 | 180.977819(17) | 3.6(1) s | 1/2(-) | ||
181mHg | 210(40)# keV | 13/2+ | |||||
182Hg | 80 | 102 | 181.97469(1) | 10.83(6) s | 0+ | ||
183Hg | 80 | 103 | 182.974450(9) | 9.4(7) s | 1/2- | ||
183m1Hg | 198(14) keV | 13/2+# | |||||
183m2Hg | 240(40)# keV | 5# s | 13/2+# | ||||
184Hg | 80 | 104 | 183.971713(11) | 30.6(3) s | 0+ | ||
185Hg | 80 | 105 | 184.971899(17) | 49.1(10) s | 1/2- | ||
185mHg | 99.3(5) keV | 21.6(15) s | 13/2+ | ||||
186Hg | 80 | 106 | 185.969362(12) | 1.38(6) min | 0+ | ||
186mHg | 2217.3(4) keV | 82(5) µs | (8-) | ||||
187Hg | 80 | 107 | 186.969814(15) | 1.9(3) min | 3/2- | ||
187mHg | 59(16) keV | 2.4(3) min | 13/2+ | ||||
188Hg | 80 | 108 | 187.967577(12) | 3.25(15) min | 0+ | ||
188mHg | 2724.3(4) keV | 134(15) ns | (12+) | ||||
189Hg | 80 | 109 | 188.96819(4) | 7.6(1) min | 3/2- | ||
189mHg | 80(30) keV | 8.6(1) min | 13/2+ | ||||
190Hg | 80 | 110 | 189.966322(17) | 20.0(5) min | 0+ | ||
191Hg | 80 | 111 | 190.967157(24) | 49(10) min | 3/2(-) | ||
191mHg | 128(22) keV | 50.8(15) min | 13/2+ | ||||
192Hg | 80 | 112 | 191.965634(17) | 4.85(20) h | 0+ | ||
193Hg | 80 | 113 | 192.966665(17) | 3.80(15) h | 3/2- | ||
193mHg | 140.76(5) keV | 11.8(2) h | 13/2+ | ||||
194Hg | 80 | 114 | 193.965439(13) | 444(77) a | 0+ | ||
195Hg | 80 | 115 | 194.966720(25) | 10.53(3) h | 1/2- | ||
195mHg | 176.07(4) keV | 41.6(8) h | 13/2+ | ||||
196Hg | 80 | 116 | 195.965833(3) | STABLE [>2.5E+18 a] | 0+ | 0.0015(1) | |
197Hg | 80 | 117 | 196.967213(3) | 64.14(5) h | 1/2- | ||
197mHg | 298.93(8) keV | 23.8(1) h | 13/2+ | ||||
198Hg | 80 | 118 | 197.9667690(4) | STABLE | 0+ | 0.0997(20) | |
199Hg | 80 | 119 | 198.9682799(4) | STABLE | 1/2- | 0.1687(22) | |
199mHg | 532.48(10) keV | 42.66(8) min | 13/2+ | ||||
200Hg | 80 | 120 | 199.9683260(4) | STABLE | 0+ | 0.2310(19) | |
201Hg | 80 | 121 | 200.9703023(6) | STABLE | 3/2- | 0.1318(9) | |
201mHg | 766.22(15) keV | 94(3) µs | 13/2+ | ||||
202Hg | 80 | 122 | 201.9706430(6) | STABLE | 0+ | 0.2986(26) | |
203Hg | 80 | 123 | 202.9728725(18) | 46.595(6) d | 5/2- | ||
203mHg | 933.14(23) keV | 24(4) µs | (13/2+) | ||||
204Hg | 80 | 124 | 203.9734939(4) | STABLE | 0+ | 0.0687(15) | |
205Hg | 80 | 125 | 204.976073(4) | 5.14(9) min | 1/2- | ||
205mHg | 1556.40(17) keV | 1.09(4) ms | 13/2+ | ||||
206Hg | 80 | 126 | 205.977514(22) | 8.15(10) min | 0+ | ||
207Hg | 80 | 127 | 206.98259(16) | 2.9(2) min | (9/2+) | ||
208Hg | 80 | 128 | 207.98594(32)# | 42(5) min [41(+5-4) min] | 0+ | ||
209Hg | 80 | 129 | 208.99104(21)# | 37(8) s | 9/2+# | ||
210Hg | 80 | 130 | 209.99451(32)# | 10# min [>300 ns] | 0+ |
参考文献
[編集]- Isotope masses from Ame2003 Atomic Mass Evaluation by G. Audi, A.H. Wapstra, C. Thibault, J. Blachot and O. Bersillon in Nuclear Physics A729 (2003).
- Isotopic compositions and standard atomic masses from Atomic weights of the elements. Review 2000 (IUPAC Technical Report). Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and Atomic Weights Revised (2005).
- Half-life, spin, and isomer data selected from these sources. Editing notes on this article's talk page.
- Audi, Bersillon, Blachot, Wapstra. The Nubase2003 evaluation of nuclear and decay properties, Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (retrieved Sept. 2005).
- David R. Lide (ed.), Norman E. Holden in CRC Handbook of Chemistry and Physics, 85th Edition, online version. CRC Press. Boca Raton, Florida (2005). Section 11, Table of the Isotopes.
1H | 2He |
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3Li | 4Be | 5B | 6C | 7N | 8O | 9F | 10Ne | ||||||||||||||||||||
11Na | 12Mg | 13Al | 14Si | 15P | 16S | 17Cl | 18Ar | ||||||||||||||||||||
19K | 20Ca | 21Sc | 22Ti | 23V | 24Cr | 25Mn | 26Fe | 27Co | 28Ni | 29Cu | 30Zn | 31Ga | 32Ge | 33As | 34Se | 35Br | 36Kr | ||||||||||
37Rb | 38Sr | 39Y | 40Zr | 41Nb | 42Mo | 43Tc | 44Ru | 45Rh | 46Pd | 47Ag | 48Cd | 49In | 50Sn | 51Sb | 52Te | 53I | 54Xe | ||||||||||
55Cs | 56Ba | *1 | 72Hf | 73Ta | 74W | 75Re | 76Os | 77Ir | 78Pt | 79Au | 80Hg | 81Tl | 82Pb | 83Bi | 84Po | 85At | 86Rn | ||||||||||
87Fr | 88Ra | *2 | 104Rf | 105Db | 106Sg | 107Bh | 108Hs | 109Mt | 110Ds | 111Rg | 112Cn | 113Nh | 114Fl | 115Mc | 116Lv | 117Ts | 118Og | ||||||||||
*1 | 57La | 58Ce | 59Pr | 60Nd | 61Pm | 62Sm | 63Eu | 64Gd | 65Tb | 66Dy | 67Ho | 68Er | 69Tm | 70Yb | 71Lu | ||||||||||||
*2 | 89Ac | 90Th | 91Pa | 92U | 93Np | 94Pu | 95Am | 96Cm | 97Bk | 98Cf | 99Es | 100Fm | 101Md | 102No | 103Lr | ||||||||||||
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