鑀的同位素

鑀有从240Es至257Es共18种同位素，其中252Es最稳定，半衰期。

圖表

|-
| rowspan=2|240Es
| rowspan=2 style="text-align:right" | 99
| rowspan=2 style="text-align:right" | 141
| rowspan=2|240.06892(43)#
| rowspan=2|1# s
| 
| 236Bk
| rowspan=2|
|-
|  （不常見）
| 240Cf
|-
| rowspan=2|241Es
| rowspan=2 style="text-align:right" | 99
| rowspan=2 style="text-align:right" | 142
| rowspan=2|241.06854(24)#
| rowspan=2|10(5) s[8(+6−5) s]
| 
| 237Bk
| rowspan=2|(3/2−)
|-
|  （不常見）
| 241Cf
|-
| rowspan=3|242Es
| rowspan=3 style="text-align:right" | 99
| rowspan=3 style="text-align:right" | 143
| rowspan=3|242.06975(35)#
| rowspan=3|13.5(25) s
|  (99.94%)
| 238Bk
| rowspan=3|
|-
| , SF (.6%)
| (various)
|-
|  （不常見）
| 242Cf
|-
| rowspan=2|243Es
| rowspan=2 style="text-align:right" | 99
| rowspan=2 style="text-align:right" | 144
| rowspan=2|243.06955(25)#
| rowspan=2|21(2) s
|  (70%)
| 243Cf
| rowspan=2|3/2−#
|-
|  (30%)
| 239Bk
|-
| rowspan=3|244Es
| rowspan=3 style="text-align:right" | 99
| rowspan=3 style="text-align:right" | 145
| rowspan=3|244.07088(20)#
| rowspan=3|37(4) s
|  (94.69%)
| 244Cf
| rowspan=3|
|-
|  (5.3%)
| 240Bk
|-
| , SF (.01%)
| (various)
|-
| rowspan=2|245Es
| rowspan=2 style="text-align:right" | 99
| rowspan=2 style="text-align:right" | 146
| rowspan=2|245.07132(22)#
| rowspan=2|1.1(1) min
|  (60%)
| 245Cf
| rowspan=2|(3/2−)
|-
|  (40%)
| 241Bk
|-
| rowspan=3|246Es
| rowspan=3 style="text-align:right" | 99
| rowspan=3 style="text-align:right" | 147
| rowspan=3|246.07290(24)#
| rowspan=3|7.7(5) min
|  (90.1%)
| 246Cf
| rowspan=3|4−#
|-
|  (9.9%)
| 242Bk
|-
| , SF (.003%)
| (various)
|-
| rowspan=3|247Es
| rowspan=3 style="text-align:right" | 99
| rowspan=3 style="text-align:right" | 148
| rowspan=3|247.07366(3)#
| rowspan=3|4.55(26) min
|  (93%)
| 247Cf
| rowspan=3|7/2+#
|-
|  (7%)
| 243Bk
|-
| SF (9×10−5%)
| (various)
|-
| rowspan=3|248Es
| rowspan=3 style="text-align:right" | 99
| rowspan=3 style="text-align:right" | 149
| rowspan=3|248.07547(6)#
| rowspan=3|27(5) min
|  (99.75%)
| 248Cf
| rowspan=3|2−#,0+#
|-
|  (.25%)
| 244Bk
|-
| , SF (3×10−5%)
| (various)
|-
| rowspan=2|249Es
| rowspan=2 style="text-align:right" | 99
| rowspan=2 style="text-align:right" | 150
| rowspan=2|249.07641(3)#
| rowspan=2|102.2(6) min
|  (99.43%)
| 249Cf
| rowspan=2|7/2+
|-
|  (.57%)
| 245Bk
|-
| rowspan=2|250Es
| rowspan=2 style="text-align:right" | 99
| rowspan=2 style="text-align:right" | 151
| rowspan=2|250.07861(11)#
| rowspan=2|8.6(1) h
|  (97%)
| 250Cf
| rowspan=2|(6+)
|-
|  (3%)
| 246Bk
|-
| rowspan=2 style="text-indent:1em" | 250mEs
| rowspan=2 colspan="3" style="text-indent:2em" | 200(150)# keV
| rowspan=2|2.22(5) h
|  (99%)
| 250Cf
| rowspan=2|1(−)
|-
|  (1%)
| 246Bk
|-
| rowspan=2|251Es
| rowspan=2 style="text-align:right" | 99
| rowspan=2 style="text-align:right" | 152
| rowspan=2|251.079992(7)
| rowspan=2|33(1) h
|  (99.51%)
| 251Cf
| rowspan=2|(3/2−)
|-
|  (.49%)
| 247Bk
|-
| rowspan=3|252Es
| rowspan=3 style="text-align:right" | 99
| rowspan=3 style="text-align:right" | 153
| rowspan=3|252.08298(5)
| rowspan=3|471.7(19) d
|  (76%)
| 248Bk
| rowspan=3|(5−)
|-
|  (24%)
| 252Cf
|-
|  (.01%)
| 252Fm
|-
| rowspan=2|253EsMost common isotope
| rowspan=2 style="text-align:right" | 99
| rowspan=2 style="text-align:right" | 154
| rowspan=2|253.0848247(28)
| rowspan=2|20.47(3) d
| 
| 249Bk
| rowspan=2|7/2+
|-
| SF (8.7×10−6%)
| (various)
|-
| rowspan=4|254Es
| rowspan=4 style="text-align:right" | 99
| rowspan=4 style="text-align:right" | 155
| rowspan=4|254.088022(5)
| rowspan=4|275.7(5) d
| 
| 250Bk
| rowspan=4|(7+)
|-
|  (10−4%)
| 254Cf
|-
| SF (3×10−6%)
| (various)
|-
|  (1.74×10−6%)
| 254Fm
|-
| rowspan=5 style="text-indent:1em" | 254mEs
| rowspan=5 colspan="3" style="text-indent:2em" | 84.2(25) keV
| rowspan=5|39.3(2) h
|  (98%)
| 254Fm
| rowspan=5|2+
|-
| IT (3%)
| 254Es
|-
|  (.33%)
| 250Bk
|-
|  (.078%)
| 254Cf
|-
| SF (.0045%)
| (various)
|-
| rowspan=3|255Es
| rowspan=3 style="text-align:right" | 99
| rowspan=3 style="text-align:right" | 156
| rowspan=3|255.090273(12)
| rowspan=3|39.8(12) d
|  (92%)
| 255Fm
| rowspan=3|(7/2+)
|-
|  (8%)
| 251Bk
|-
| SF (.0041%)
| (various)
|-
| 256Es
| style="text-align:right" | 99
| style="text-align:right" | 157
| 256.09360(11)#
| 25.4(24) min
| 
| 256Fm
| (1+,0−)
|-
| rowspan=2 style="text-indent:1em" | 256mEs
| rowspan=2 colspan="3" style="text-indent:2em" | 0(100)# keV
| rowspan=2|7.6 h
|  (99.99%)
| 256Fm
| rowspan=2|(8+)
|-
| , SF (.002%)
| (various)
|-
| rowspan=2|257Es
| rowspan=2 style="text-align:right" | 99
| rowspan=2 style="text-align:right" | 158
| rowspan=2|257.09598(44)#
| rowspan=2|7.7(2) d
| 
| 257Fm
| rowspan=2|7/2+#
|-
| 
| 253Bk
|-
| 258Es
| style="text-align:right" | 99
| style="text-align:right" | 159
| 258.09952(32)#
| 3# min
|
|
|
|}

 参考文獻 

 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).
 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.

Es