Oxid praseodymitý

Oxid praseodymitý
Struktura
Struktura
Obecné
Systematický názevOxid praseodymitý
Sumární vzorecPr2O3
Vzhledzelené krystaly
Identifikace
Registrační číslo CAS12036-32-7
EC-no (EINECS/ELINCS/NLP)234-845-3
PubChem165911
SMILES[O-2].[O-2].[O-2].[Pr+3].[Pr+3]
InChIInChI=1S/3O.2Pr/q3*-2;2*+3
Vlastnosti
Molární hmotnost329,81 g/mol
Teplota tání2 183 °C (2460 K)
Teplota varu3 760 °C (4030 K)[1]
Hustota6,9 g/cm3
Termodynamické vlastnosti
Standardní slučovací entalpie ΔHf°−1809,6 kJ/mol
Měrné teplo117,4 J⋅K−1⋅mol−1
Bezpečnost
GHS07 – dráždivé látky
GHS07
[2]
Varování[2]
Není-li uvedeno jinak, jsou použity
jednotky SI a STP (25 °C, 100 kPa).
Některá data mohou pocházet z datové položky.

Oxid praseodymitý je anorganická sloučenina se vzorcem Pr2O3. Vytváří zelené hexagonální krystaly[1] se strukturou podobnou oxidu manganitému.[3]

Použití

Oxid praseodymitý se ve směsi s křemíkem používá jako dielektrikum.[3] Sklo s příměsí praseodymu, je žlutě zbarvené a používá se ve svářečských brýlích, kde pohlcuje infračervené záření. Slouží také k barvení skla a keramiky do žluta;[4] podobný oxid praseodymito-praseodymičitý barví keramiku do hněda.

Reference

V tomto článku byl použit překlad textu z článku Praseodymium(III) oxide na anglické Wikipedii.

  1. ↑ a b LIDE, David R. Handbook of Chemistry and Physics. 87. vyd. [s.l.]: CRC Press, 1998. ISBN 0-8493-0594-2. S. 478, 523. 
  2. ↑ a b Praseodymium(III) oxide. pubchem.ncbi.nlm.nih.gov [online]. PubChem [cit. 2021-05-24]. Dostupné online. (anglicky) 
  3. ↑ a b DABROWSKI, Jarek; WEBER, Eicke R. Predictive Simulation of Semiconductor Processing. [s.l.]: Springer, 2004. ISBN 978-3-540-20481-7. S. 264. 
  4. ↑ KREBS, Robert E. The History and Use of our Earth's Chemical Elements. [s.l.]: Greenwood Publishing Group, 2006. ISBN 978-0-313-33438-2. S. 283. 
Oxidy s prvkem v oxidačním čísle III.
Oxid hlinitý (Al2O3) • Oxid antimonitý (Sb2O3) • Oxid arsenitý (As2O3) • Oxid bismutitý (Bi2O3) • Oxid boritý (B2O3) • Oxid ceritý (Ce2O3) • Oxid chromitý (Cr2O3) • Oxid dusitý (N2O3) • Oxid erbitý (Er2O3) • Oxid gadolinitý (Gd2O3) • Oxid gallitý (Ga2O3) • Oxid holmitý (Ho2O3) • Oxid inditý (In2O3) • Oxid železitý (Fe2O3) • Oxid lanthanitý (La2O3) • Oxid lutecitý (Lu2O3) • Oxid měditý (Cu2O3) • Oxid niklitý (Ni2O3) • Oxid fosforitý (P4O6) • Oxid promethitý (Pm2O3) • Oxid rhoditý (Rh2O3) • Oxid samaritý (Sm2O3) • Oxid skanditý (Sc2O3) • Oxid stříbrno-stříbřitý (AgO2) • Oxid stříbřitý (Ag2O3) • Oxid terbitý (Tb2O3) • Oxid thallitý (Tl2O3) • Oxid thulitý (Tm2O3) • Oxid titanitý (Ti2O3) • Oxid wolframitý (W2O3) • Oxid vanaditý (V2O3) • Oxid ytterbitý (Yb2O3) • Oxid yttritý (Y2O3) • Oxid zlatitý (Au2O3) • Oxid chloritý (Cl2O3) • Oxid americitý (Am2O3)
Anorganické soli praseodymité
Halogenidy a pseudohalogenidy
Soli kyslíkatých kyselin

(neuvedeny soli
se záměnou kyslíku za jiný prvek,

složené a „zásadité“)
Chlorečnan praseodymitý (Pr(ClO3)3) • Chloristan praseodymitý (Pr(ClO4)3) • Bromičnan praseodymitý (Pr(BrO3)3) • Jodičnan praseodymitý (Pr(IO3)3) • Orthojodistan praseodymitý (Pr5(IO6)3) • Metajodistan praseodymitý (Pr6I4O23) • Siřičitan praseodymitý (Pr2(SO3)3) • Síran praseodymitý (Pr2(SO4)3) • Dithionan praseodymitý (Pr2(S2O3)3) • Seleničitan praseodymitý (Pr2(SeO3)3) • Selenan praseodymitý (Pr2(SeO4)3) • Dusičnan praseodymitý (Pr(NO3)3) • Fosforečnan praseodymitý (PrPO4) • Hydrogenfosforečnan praseodymitý (Pr2(HPO4)3) • Metafosforečnan praseodymitý (Pr(PO3)3) • Hydrogendifosforečnan praseodymitý (PrHP2O7) • Uhličitan praseodymitý (Pr2(CO3)3) • Wolframan praseodymitý (Pr2(WO4)3) • Vanadičnan praseodymitý (PrVO4) • Orthoboritan praseodymitý (PrBO3)
Soli tvořené záměnou vodíku
ze sloučenin typu prvekx – vodíky

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