Plaatin
Eegenskapen
Algemian
Nööm, Symbool, Numer
Plaatin, Pt, 78
Seerie
Auergungsmetal
Skööl, Periode, Blook
10 , 6 , d
Klöör, Skak
grä-witj
CAS-Numer
7440-06-4
Uundial
0,005 ppm[ 1]
Atomaar [ 2]
Atoommase
195,084(9)[ 3] u
Atoomraadius (bereegent)
135 (177) pm
Kovalent-Raadius
136 pm
Van der Waals-Raadius
175 pm
Elektroonen
[Xe ] 4f 14 5d 9 6s 1
Energii
5,65 eV [ 4]
1. Ionisiarang
870 kJ /mol
2. Ionisiarang
1791 kJ/mol
Füsikaalisk [ 2]
Tustant
fääst
Kristal
kuubisk
Sachthaid
21,45 g/cm³ (20 °C)[ 5]
Hardhaid
3,5
Magnetismus
paramagneetisk (Χm = 2,8 · 10−4 )[ 6]
Smoltponkt
2041,4 K (1768,3 °C)
Köögponkt
4100 K[ 7] K (3827 °C)
Molaar Rüm
9,09 · 10−6 m3 /mol
Dampwaremk
510 kJ/mol[ 7] kJ/mol
Smoltwaremk
19,6 kJ/mol
Faard faan a tuun
2680 m/s
Waremk
130 J/(kg · K)
Elektrisk struumfeerang
9,48 · 106 [ 8] A/(V · m)
Waremkfeerang
72 W /(m · K)
Cheemisk [ 2]
Oksidatsionstustant
0, +2 , +4 , +6
Oksiiden
PtO, PtO2
Sür of baasisk
lacht baasisk
Normoolpotentiaal
1,118 V (Pt2+ + 2 e− → Pt)
Elektronegatiwiteet
2,28 (Pauling-Skala)
Isotoopen
Isotoop
NH
t1/2
Aktiwiteet
Energii (MeV )
Produkt
188 Pt
{syn.}
10,2 d ε 0,507 188 Ir
189 Pt
{syn.}
10,87 h ε 1,971 189 Ir
190 Pt
0,01 %
6,5 · 1011 a α 3,249 186 Os
191 Pt
{syn.}
2,96 d ε 1,019 191 Ir
192 Pt
0,79 %
stabiil
193 Pt
{syn.}
50 a ε 0,057 193 Ir
194 Pt
32,9 %
stabiil
195 Pt
33,8 %
stabiil
196 Pt
25,3 %
stabiil
197 Pt
{syn.}
19,8915 h β− 0,719 197 Au
198 Pt
7,2 %
stabiil
199 Pt
{syn.}
30,80 min β− 1,702 199 Au
200 Pt
{syn.}
12,5 h β− 0,660 200 Au
Muar isotoopen bi List faan isotoopen
NMR -Eegenskapen
Seekerhaid
Muar wäärnangen
MAK -miat
Sweits: 1 mg·m−3 (stoof)[ 10]
Miast wurd SI -ianhaiden brükt.
Plaatin as en cheemisk element mä det ufkörtang Pt an det atoomnumer 78 . Hat as en grä-witj auergungsmetal .
Bilen
Luke uk diar
Kwelen
[ 1]
[ 2]
[ 3]
[ 4]
[ 5]
[ 7]
[ 6]
[ 8]
[ 9]
[ 10]
↑ 1,0 1,1 Harry H. Binder: Lexikon der chemischen Elemente. S. Hirzel Verlag, Stuttgart 1999, ISBN 3-7776-0736-3 .
↑ 2,0 2,1 A taalen för't infobox kem miast faan www.webelements.com (Platin) .
↑ 3,0 3,1 CIAAW, Standard Atomic Weights Revised 2013 .
↑ 4,0 4,1 Ludwig Bergmann, Clemens Schaefer, Rainer Kassing: Lehrbuch der Experimentalphysik. Bd. 6: Festkörper. 2. aplaag. Walter de Gruyter, 2005, ISBN 3-11-017485-5 , S. 361.
↑ 5,0 5,1 (ütjden faan) David R. Lide: CRC Handbook of Chemistry and Physics . 90. aplaag. (uun't näät: 2010), CRC Press/Taylor and Francis, Boca Raton, FL, Properties of the Elements and Inorganic Compounds, S. 4-26.
↑ 6,0 6,1 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.
↑ 7,0 7,1 7,2 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 .
↑ 8,0 8,1 Platin: Stoffeigenschaften üüb: http://www.periodensystem.info/
↑ 9,0 9,1 9,2 Iindraanj tu Platin, Pulver uun't GESTIS-dootenbeenk faan't IFA , ufrepen di 25. April 2017 (mä JavaScript) .
↑ 10,0 10,1 Schweizerische Unfallversicherungsanstalt (SUVA): Aktuel MAK- an BAT-wäärser
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