| Eegenskapen
|
|
|
| Algemian
|
| Nööm, Symbool, Numer
|
Iriidium, Ir, 77
|
| Seerie
|
Auergungsmetal
|
| Skööl, Periode, Blook
|
9, 6, d
|
| Klöör, Skak
|
salwern witj
|
| CAS-Numer
|
7439-88-5
|
| Uundial
|
0,001 ppm[1]
|
| Atomaar [2]
|
| Atoommase
|
192,217(3)[3] u
|
| Atoomraadius (bereegent)
|
135 (180) pm
|
| Kovalent-Raadius
|
141 pm
|
| Elektroonen
|
[Xe] 4f14 5d7 6s2
|
| 1. Ionisiarang
|
880 kJ/mol
|
| 2. Ionisiarang
|
1600 kJ/mol
|
| Füsikaalisk [2]
|
| Tustant
|
fest
|
| Kristal
|
kuubisk
|
| Sachthaid
|
22,56 g/cm3[4]
|
| Hardhaid
|
6,5
|
| Magnetismus
|
paramagneetisk (Χm = 3,8 · 10−5)[5]
|
| Smoltponkt
|
2739 K (2466 °C)
|
| Köögponkt
|
4403 K[6] K (4130 °C)
|
| Molaar Rüm
|
8,52 · 10−6 m3/mol
|
| Dampwaremk
|
564 kJ/mol[6] kJ/mol
|
| Smoltwaremk
|
26 kJ/mol
|
| Faard faan a tuun
|
4825 m/s
|
| Elektrisk struumfeerang
|
19,7 · 106 A/(V · m)
|
| Waremkfeerang
|
150 W/(m · K)
|
| Cheemisk [2]
|
| Oksidatsionstustant
|
−3, −1, 0, 1, 2, 3, 4, 5, 6, 8, 9[7]
|
| Sür of baasisk
|
lacht baasisk
|
| Normoolpotentiaal
|
1,156 V (Ir3+ + 3e− → Ir)
|
| Elektronegatiwiteet
|
2,20 (Pauling-Skala)
|
| Isotoopen
|
| Isotoop
|
NH
|
t1/2
|
Aktiwiteet
|
Energii (MeV)
|
Produkt
| | 189Ir |
{syn.}
| 13,2 d | ε | 0,532 | 189Os |
| 190Ir |
{syn.}
| 11,78 d | ε | 2,000 | 190Os |
| 191Ir |
37,3 %
|
stabiil |
| 192Ir |
{syn.}
| 73,830 d | β− | 1,460 | 192Pt | | ε | 1,046 | 192Os |
| 192mIr |
{syn.}
| 241 a | IT | 0,155 | 192Ir |
| 193Ir |
62,7 %
|
stabiil |
| 194Ir |
{syn.}
| 19,15 h | β− | 2,247 | 194Pt |
| 195Ir |
{syn.}
| 2,5 h | β− | 1,120 | 195Pt |
|
| Muar isotoopen bi List faan isotoopen
|
| NMR-Eegenskapen
|
|
|
Spin (I)
|
γ uun
rad·T−1·s−1
|
Er(1H)
|
fL bi
B = 4,7 T
uun MHz
|
| 191Ir
|
3/2
|
4,812 · 106
|
1,09 · 10−5
|
1,72
|
| 193Ir
|
3/2
|
5,227 · 106
|
2,34 · 10−5
|
1,87
|
|
| Seekerhaid
|
|
|
| Miast wurd SI-ianhaiden brükt.
|
Iriidium as en cheemisk element mä det ufkörtang Ir an det atoomnumer 77. Hat as en auergungsmetal.
- ↑ Harry H. Binder: Lexikon der chemischen Elemente. S. Hirzel Verlag, Stuttgart 1999, ISBN 3-7776-0736-3.
- ↑ A taalen för't infobox kem miast faan www.webelements.com (Iridium) .
- ↑ CIAAW, Standard Atomic Weights Revised 2013.
- ↑ J. W. Arblaster: Densities of Osmium and Iridium. Uun: Platinum Metals Review. 33, 1, 1989, S. 14–16 (Volltext; PDF; 209 kB).
- ↑ Robert C. Weast (Hrsg.): CRC Handbook of Chemistry and Physics. CRC (Chemical Rubber Publishing Company), Boca Raton 1990, ISBN 0-8493-0470-9, S. E-129 bit E-145. Wäärser diar uun g/mol an uun cgs-ianhaiden. Heer amreegent tu SI-wäärs.
- ↑ 6,0 6,1 Yiming Zhang, Julian R. G. Evans, Shoufeng Yang: Corrected Values for Boiling Points and Enthalpies of Vaporization of Elements in Handbooks. Uun: Journal of Chemical & Engineering Data. 56, 2011, S. 328–337, doi:10.1021/je1011086.
- ↑ Guanjun Wang, Mingfei Zhou, James T. Goettel, Gary G. Schrobilgen, Jing Su, Jun Li, Tobias Schlöder, Sebastian Riedel: Identification of an iridium-containing compound with a formal oxidation state of IX. In: Nature. Band 514, S. 475–477, doi:10.1038/nature13795.
- ↑ 8,0 8,1 Iindraanj tu Iridium, Pulver uun't GESTIS-dootenbeenk faan't IFA, ufrepen di 30. April 2017 (mä JavaScript).
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