62, Samarium (Sm)

Mineral Samarskit

Massenwirkungsgesetz
         
   
  Pm Sm Eu  
  Np Pu Am  
         
 

Löslichkeitsprodukte:
Substanz Formel Reaktion pL β (g/L)
Samariumacetat Sm(CH3COO)3 Sm(CH3COO)3 ↔ Sm3+ + 3CH3COO- -0.07 1.5•102
Samariumarsenat SmAsO4 SmAsO4 ↔ Sm3+ + AsO43- 22.7 1.29•10-9
Samariumcarbonat Sm2(CO3)3 Sm2(CO3)3 ↔ 2Sm3+ + 3CO32- 34.5 2.37•10-5
Samariumfluorid SmF3 SmF3 ↔ Sm3+ + 3F- 17.5 3.84•10-3
Samariumhydroxid Sm(OH)3 Sm(OH)3 ↔ Sm3+ + 3OH- 23.4 1.25•10-4
Samariumiodat Sm(IO3)3 Sm(IO3)3 ↔ Sm3+ + 3IO3- 11.19 4.73•10-1
Samariumoxalat Sm2(C2O4)3 Sm2(C2O4)3 ↔ 2Sm3+ + 3C2O42- 31.35 1.19•10-4
Samariumphosphat SmPO4 SmPO4 ↔ Sm3+ + PO43- 24.5 1.38•10-10
Samariumselenat Sm2(SeO4)3 Sm2(SeO4)3 ↔ 2Sm3+ + 3SeO42- -0.44 3.5•102
Samariumsulfat Sm2(SO4)3 Sm2(SO4)3 ↔ 2Sm3+ + 3SO42- 5.14 2.16•101

Komplexdissoziationskonstanten:
Komplex Formel Reaktion pD
Dimolybdatosamarat(III) Sm(MoO4)2- Sm(MoO4)2- ↔ Sm3+ + 2MoO42- 11.2
Dioxalatosamarat(III) Sm(C2O4)2- Sm(C2O4)2- ↔ Sm3+ + 2C2O42- 10.13
Diphosphatosamarat(III) Sm(PO4)23- Sm(PO4)23- ↔ Sm3+ + 2PO43- 18.72
Disulfatosamarat(III) Sm(SO4)2- Sm(SO4)2- ↔ Sm3+ + 2SO42- 5.2
Samarium-EDTA-Komplex Sm(EDTA)- Sm(EDTA)- ↔ Sm3+ + EDTA4- 17.1
Tetrachloridosamarat(III) SmCl4- SmCl4- ↔ Sm3+ + 4Cl- -0.82
Tetrafluoridosamarat(III) SmF4- SmF4- ↔ Sm3+ + 4F- 11.98
Tricarbonatosamarat(III) Sm(CO3)33- Sm(CO3)33- ↔ Sm3+ + 3CO32- 15