A Wikipediabol, a szabad enciklopediabol
Az
iridium
nak (
Ir
) ket termeszetes, es szamos radioizotopja letezik, utobbiak kozul a legstabilabb az Ir-192. Ez az
izotop
73,83 nap
felezesi id?vel
beta-bomlas
soran platina-192-ve alakul, radioizotopjainak nagy resze azonban ozmiumra bomlik.
Standard atomtomege: 192,217(3)
u
.
Az izotop
jele
|
Z(
p
)
|
N(
n
)
|
Az izotop tomege (
u
)
|
felezesi id?
|
magspin
|
jellemz?
izotop-
osszetetel
(moltort)
|
termeszetes
ingadozas
(moltort)
|
| gerjesztesi energia
|
| 164
Ir
|
77
|
87
|
163,99220(44)#
|
1# ms
|
2?#
|
|
|
| 164m
Ir
|
270(110)# keV
|
94(27) μs
|
9+#
|
|
|
| 165
Ir
|
77
|
88
|
164,98752(23)#
|
<1# μs
|
1/2+#
|
|
|
| 165m
Ir
|
180(50)# keV
|
300(60) μs
|
11/2?
|
|
|
| 166
Ir
|
77
|
89
|
165,98582(22)#
|
10,5(22) ms
|
(2?)
|
|
|
| 166m
Ir
|
172(6) keV
|
15,1(9) ms
|
(9+)
|
|
|
| 167
Ir
|
77
|
90
|
166,981665(20)
|
35,2(20) ms
|
1/2+
|
|
|
| 167m
Ir
|
175,3(22) keV
|
30,0(6) ms
|
11/2?
|
|
|
| 168
Ir
|
77
|
91
|
167,97988(16)#
|
161(21) ms
|
magas
|
|
|
| 168m
Ir
|
50(100)# keV
|
125(40) ms
|
alacsony
|
|
|
| 169
Ir
|
77
|
92
|
168,976295(28)
|
780(360) ms [0,64(+46?24) s]
|
1/2+#
|
|
|
| 169m
Ir
|
154(24) keV
|
308(22) ms
|
11/2?#
|
|
|
| 170
Ir
|
77
|
93
|
169,97497(11)#
|
910(150) ms [0,87(+18?12) s]
|
alacsony#
|
|
|
| 170m
Ir
|
270(70)# keV
|
440(60) ms
|
magas#
|
|
|
| 171
Ir
|
77
|
94
|
170,97163(4)
|
3,6(10) s [3,2(+13?7) s]
|
1/2+#
|
|
|
| 171m
Ir
|
180(30)# keV
|
1,40(10) s
|
(11/2?)
|
|
|
| 172
Ir
|
77
|
95
|
171,97046(11)#
|
4,4(3) s
|
(3+)
|
|
|
| 172m
Ir
|
280(100)# keV
|
2,0(1) s
|
(7+)
|
|
|
| 173
Ir
|
77
|
96
|
172,967502(15)
|
9,0(8) s
|
(3/2+,5/2+)
|
|
|
| 173m
Ir
|
253(27) keV
|
2,20(5) s
|
(11/2?)
|
|
|
| 174
Ir
|
77
|
97
|
173,966861(30)
|
7,9(6) s
|
(3+)
|
|
|
| 174m
Ir
|
193(11) keV
|
4,9(3) s
|
(7+)
|
|
|
| 175
Ir
|
77
|
98
|
174,964113(21)
|
9(2) s
|
(5/2?)
|
|
|
| 176
Ir
|
77
|
99
|
175,963649(22)
|
8,3(6) s
|
|
|
|
| 177
Ir
|
77
|
100
|
176,961302(21)
|
30(2) s
|
5/2?
|
|
|
| 178
Ir
|
77
|
101
|
177,961082(21)
|
12(2) s
|
|
|
|
| 179
Ir
|
77
|
102
|
178,959122(12)
|
79(1) s
|
(5/2)?
|
|
|
| 180
Ir
|
77
|
103
|
179,959229(23)
|
1,5(1) perc
|
(4,5)(+#)
|
|
|
| 181
Ir
|
77
|
104
|
180,957625(28)
|
4,90(15) perc
|
(5/2)?
|
|
|
| 182
Ir
|
77
|
105
|
181,958076(23)
|
15(1) perc
|
(3+)
|
|
|
| 183
Ir
|
77
|
106
|
182,956846(27)
|
57(4) perc
|
5/2?
|
|
|
| 184
Ir
|
77
|
107
|
183,95748(3)
|
3,09(3) ora
|
5?
|
|
|
| 184m1
Ir
|
225,65(11) keV
|
470(30) μs
|
3+
|
|
|
| 184m2
Ir
|
328,40(24) keV
|
350(90) ns
|
(7)+
|
|
|
| 185
Ir
|
77
|
108
|
184,95670(3)
|
14,4(1) ora
|
5/2?
|
|
|
| 186
Ir
|
77
|
109
|
185,957946(18)
|
16,64(3) ora
|
5+
|
|
|
| 186m
Ir
|
0,8(4) keV
|
1,92(5) ora
|
2?
|
|
|
| 187
Ir
|
77
|
110
|
186,957363(7)
|
10,5(3) ora
|
3/2+
|
|
|
| 187m1
Ir
|
186,15(4) keV
|
30,3(6) ms
|
9/2?
|
|
|
| 187m2
Ir
|
433,81(9) keV
|
152(12) ns
|
11/2?
|
|
|
| 188
Ir
|
77
|
111
|
187,958853(8)
|
41,5(5) ora
|
1?
|
|
|
| 188m
Ir
|
970(30) keV
|
4,2(2) ms
|
7+#
|
|
|
| 189
Ir
|
77
|
112
|
188,958719(14)
|
13,2(1) nap
|
3/2+
|
|
|
| 189m1
Ir
|
372,18(4) keV
|
13,3(3) ms
|
11/2?
|
|
|
| 189m2
Ir
|
2333,3(4) keV
|
3,7(2) ms
|
(25/2)+
|
|
|
| 190
Ir
|
77
|
113
|
189,9605460(18)
|
11,78(10) nap
|
4?
|
|
|
| 190m1
Ir
|
26,1(1) keV
|
1,120(3) ora
|
(1?)
|
|
|
| 190m2
Ir
|
36,154(25) keV
|
>2 μs
|
(4)+
|
|
|
| 190m3
Ir
|
376,4(1) keV
|
3,087(12) ora
|
(11)?
|
|
|
| 191
Ir
|
77
|
114
|
190,9605940(18)
|
stabil
|
3/2+
|
0,373(2)
|
|
| 191m1
Ir
|
171,24(5) keV
|
4,94(3) s
|
11/2?
|
|
|
| 191m2
Ir
|
2120(40) keV
|
5,5(7) s
|
|
|
|
| 192
Ir
|
77
|
115
|
191,9626050(18)
|
73,827(13) nap
|
4+
|
|
|
| 192m1
Ir
|
56,720(5) keV
|
1,45(5) perc
|
1?
|
|
|
| 192m2
Ir
|
168,14(12) keV
|
241(9) ev
|
(11?)
|
|
|
| 193
Ir
|
77
|
116
|
192,9629264(18)
|
stabil
|
3/2+
|
0,627(2)
|
|
| 193m
Ir
|
80,240(6) keV
|
10,53(4) nap
|
11/2?
|
|
|
| 194
Ir
|
77
|
117
|
193,9650784(18)
|
19,28(13) ora
|
1?
|
|
|
| 194m1
Ir
|
147,078(5) keV
|
31,85(24) ms
|
(4+)
|
|
|
| 194m2
Ir
|
370(70) keV
|
171(11) nap
|
(10,11)(?#)
|
|
|
| 195
Ir
|
77
|
118
|
194,9659796(18)
|
2,5(2) ora
|
3/2+
|
|
|
| 195m
Ir
|
100(5) keV
|
3,8(2) ora
|
11/2?
|
|
|
| 196
Ir
|
77
|
119
|
195,96840(4)
|
52(1) s
|
(0?)
|
|
|
| 196m
Ir
|
210(40) keV
|
1,40(2) ora
|
(10,11?)
|
|
|
| 197
Ir
|
77
|
120
|
196,969653(22)
|
5,8(5) perc
|
3/2+
|
|
|
| 197m
Ir
|
115(5) keV
|
8,9(3) perc
|
11/2?
|
|
|
| 198
Ir
|
77
|
121
|
197,97228(21)#
|
8(1) s
|
|
|
|
| 199
Ir
|
77
|
122
|
198,97380(4)
|
20# s
|
3/2+#
|
|
|
- A # jeloles? ertekek nem kizarolag kiserleti adatokbol szarmaznak, ezeknel rendszeres tendenciakat is figyelembe vettek. A gyenge asszignacios argumentumu spineket zarojelben jeloltuk.
- A bizonytalansagokat rovid formaban ? a megfelel? utolso szamjegy utan zarojelben ? adjuk meg. A bizonytalansag erteke egy standard deviacionak felel meg, leszamitva a IUPAC altal megadott izotop-osszetetelt es standard atomtomeget, melyeknel kiterjesztett bizonytalansagot hasznalunk.
- Izotoptomegek:
Ame2003 Atomic Mass Evaluation
by G. Audi, A.H. Wapstra, C. Thibault, J. Blachot and O. Bersillon in
Nuclear Physics
A729 (2003).
- Izotoposszetetel es standard atomtomegek:
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)
Archivalva
2008. marcius 5-i
datummal a
Wayback Machine
-ben.
- A felezesi id?kre, a spinekre es az izomer adatokra vonatkozo informaciok az alabbi forrasokbol szarmaznak:
- Audi, Bersillon, Blachot, Wapstra.
The Nubase2003 evaluation of nuclear and decay properties
Archivalva
2011. julius 16-i
datummal a
Wayback Machine
-ben, Nuc. Phys. A 729, pp. 3a€“128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the
NuDat 2.1 database
(Hozzaferes ideje: 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.
