63, Europium (Eu)

Kontinent Europa

Massenwirkungsgesetz
         
   
  Sm Eu Gd  
  Pu Am Cm  
         
 

Löslichkeitsprodukte:
Substanz Formel Reaktion pL β (g/L)
Europium(III)arsenat EuAsO4 EuAsO4 ↔ Eu3+ + AsO43- 22.5 1.64•10-9
Europium(III)carbonat Eu2(CO3)3 Eu2(CO3)3 ↔ 2Eu3+ + 3CO32- 35 1.9•10-5
Europium(III)fluorid EuF3 EuF3 ↔ Eu3+ + 3F- 17.2 4.59•10-3
Europium(III)hydroxid Eu(OH)3 Eu(OH)3 ↔ Eu3+ + 3OH- 26.9 1.68•10-5
Europium(III)oxalat Eu2(C2O4)3 Eu2(C2O4)3 ↔ 2Eu3+ + 3C2O42- 31.38 1.18•10-4
Europium(III)phosphat EuPO4 EuPO4 ↔ Eu3+ + PO43- 24.4 1.56•10-10
Europium(III)sulfat Eu2(SO4)3 Eu2(SO4)3 ↔ 2Eu3+ + 3SO42- 10 2.32•100

Komplexdissoziationskonstanten:
Komplex Formel Reaktion pD
Dicarbonatoeuropat(III) Eu(CO3)2- Eu(CO3)2- ↔ Eu3+ + 2CO32- 12.2
Dihydrogenphosphatoeuropat(III) Eu(HPO4)2- Eu(HPO4)2- ↔ Eu3+ + 2HPO42- 9.6
Diphosphatoeuropat(III) Eu(PO4)23- Eu(PO4)23- ↔ Eu3+ + 2PO43- 20.66
Disulfatoeuropat(III) Eu(SO4)2- Eu(SO4)2- ↔ Eu3+ + 2SO42- 5.4
Europium(III)-EDTA-Komplex Eu(EDTA)- Eu(EDTA)- ↔ Eu3+ + EDTA4- 17.32
Tetrachloridoeuropat(III) EuCl4- EuCl4- ↔ Eu3+ + 4Cl- -0.89
Tetrafluoridoeuropat(III) EuF4- EuF4- ↔ Eu3+ + 4F- 12.12
Trioxalatoeuropat(III) Eu(C2O4)33- Eu(C2O4)33- ↔ Eu3+ + 3C2O42- 13.3