europium borid | |
---|---|
Generel | |
Systematisk navn |
europium borid |
Traditionelle navne | Europium hexaborid; europium bor |
Chem. formel | EUB 6 |
Fysiske egenskaber | |
Stat | mørkegrå krystaller |
Molar masse | 216,83 g/ mol |
Massefylde | 4,91 g/cm³ |
Specifik elektrisk modstand | 847 Ohm m |
Termiske egenskaber | |
Temperatur | |
• smeltning | 2150; ≈2600 °C |
Entalpi | |
• uddannelse | -469 kJ/mol |
Klassifikation | |
Reg. CAS nummer | 12008-05-8 |
Reg. EINECS nummer | 234-529-5 |
Data er baseret på standardbetingelser (25 °C, 100 kPa), medmindre andet er angivet. |
Europiumborid er en binær uorganisk forbindelse af europium og bor med formlen EuB 6 , mørkegrå krystaller.
Europiumborid danner mørkegrå kubiske krystaller , celleparametre a = 0,4155 nm (ifølge andre kilder, 0,4178 eller 0,4167 nm).
Anvendes som brændbar neutronabsorber i atomreaktorer [1] .
Europium forbindelser | |
---|---|
Europium(III)acetat (Eu(CH 3 COO) 3 ) Europiumborid (EuB 6 ) Europium(III)bromat (Eu( BrO3 ) 3 ) Europium(II)bromid (EuBr 2 ) Europium(III)bromid (EuBr 3 ) Europium(III) wolframat (Eu 2 (WO 4 ) 3 ) Europium(II)hydrid (EuH 2 ) Europium(III)hydrid (EuH 3 ) Europium(II)hydroxid (Eu(OH) 2 H2O ) _ Europium(III)hydroxid (Eu(OH) 3 ) Europium(III)hydroxid (EuO(OH)) Europium(III)sulfiddioxid (Eu 2 O 2 S) Europium(II)iodid (EuI 2 ) Europium(III)iodid (EuI 3 ) Europiumcarbid (EuC 2 ) Europium(II)carbonat (EuCO 3 ) Europium(III)carbonat (Eu 2 (CO 3 ) 3 ) Europium(III)nitrat (Eu(NO 3 ) 3 ) Europium(III)nitrid (EuN) Europium(III)nitrit (Eu(NO 2 ) 3 ) Europium(II)oxalat (EuC 2 O 4 H2O ) _ Europium(III)oxalat (Eu 2 (C 2 O 4 ) 3 ) Europium(II)oxid (EuO) Europium(II,III)oxid (Eu 3 O 4 ) Europium(III)oxid (Eu 2 O 3 ) Europium(III) oxidbromid (EuOBr) Europium(III)oxid-iodid (EuOI) Europium(III)oxid-chlorid (EuOCl) Europium(III)orthosilicat (Eu 4 (SiO 4 ) 3 ) Europium(III)perchlorat (Eu(ClO 4 ) 3 ) Europium(III)selenat (Eu 2 (SeO 4 ) 3 ) Europium(II)selenid (EuSe) Europium (III) silikat (Eu 2 (SiO 3 ) 3 ) Europium silicid (EuSi 2 ) Europium(II) sulfat (EuSO 4 ) Europium(III)sulfat (Eu 2 (SO 4 ) 3 ) Europium(II)sulfid (EuS) Europium(III)sulfid (Eu 2 S 3 ) Europium(III)sulfit (Eu 2 (SO 3 ) 3 ) Europium(II) tellurid (EuTe) Europium(III)tellurid (Eu 2 Te 3 ) Trieuropium(III)tetraoxidbromid (Eu 3 OBr 4 ) Europium(III)titanat (Eu 2 (TiO 3 ) 3 ) Europium(III)-formiat (Eu(COOH) 3 ) Europium(II)phosphat (Eu 3 (PO 4 ) 2 ) Europium(III)phosphat (EuPO 4 ) Europium(III)phosphid (EuP) Europium(II)fluorid (EuF 2 ) Europium(III)fluorid (EuF 3 ) Europium(II)chlorid (EuCl 2 ) Europium(III)chlorid (EuCl 3 ) Europium(III)chromat (Eu 2 (CrO 4 ) 3 ) |