60, Neodym (Nd)

gr. neo = neu, didymos = Zwilling, neuer Zwilling

Massenwirkungsgesetz

         
   
  Pr Nd Pm  
  Pa U Np  
         
 

Löslichkeitsprodukte:

Substanz Formel Reaktion pL β (g/L)

Neodymacetat Nd(CH3COO)3 Nd(CH3COO)3 ↔ Nd3+ + 3CH3COO- -1.08 2.63•102
Neodymarsenat NdAsO4 NdAsO4 ↔ Nd3+ + AsO43- 21.9 3.18•10-9
Neodymcarbonat Nd2(CO3)3 Nd2(CO3)3 ↔ 2Nd3+ + 3CO32- 34.65 2.16•10-5
Neodymfluorid NdF3 NdF3 ↔ Nd3+ + 3F- 18.6 1.98•10-3
Neodymhydroxid Nd(OH)3 Nd(OH)3 ↔ Nd3+ + 3OH- 21.49 3.63•10-4
Neodymiodat Nd(IO3)3 Nd(IO3)3 ↔ Nd3+ + 3IO3- 11.12 4.87•10-1
Neodymmolybdat Nd2(MoO4)3 Nd2(MoO4)3 ↔ 2Nd3+ + 3MoO42- 26.1 1.81•10-3
Neodymoxalat Nd2(C2O4)3 Nd2(C2O4)3 ↔ 2Nd3+ + 3C2O42- 30.89 1.44•10-4
Neodymphosphat NdPO4 NdPO4 ↔ Nd3+ + PO43- 24.5 1.35•10-10
Neodymselenat Nd2(SeO4)3 Nd2(SeO4)3 ↔ 2Nd3+ + 3SeO42- -0.86 4.18•102
Neodymsulfat Nd2(SO4)3 Nd2(SO4)3 ↔ 2Nd3+ + 3SO42- 2.51 7.12•101

Komplexdissoziationskonstanten:

Komplex Formel Reaktion pD

Dicarbonatoneodymat(III) Nd(CO3)2- Nd(CO3)2- ↔ Nd3+ + 2CO32- 12.73
Diphosphatoneodymat(III) Nd(PO4)23- Nd(PO4)23- ↔ Nd3+ + 2PO43- 19.5
Disulfatoneodymat Nd(SO4)2- Nd(SO4)2- ↔ Nd3+ + 2SO42- 5.1
Neodym-EDTA-Komplex Nd(EDTA)- Nd(EDTA)- ↔ Nd3+ + EDTA4- 16.56
Tetrachloridoneodymat NdCl4- NdCl4- ↔ Nd3+ + 4Cl- -0.75
Tetrafluoridoneodymat(III) NdF4- NdF4- ↔ Nd3+ + 4F- 11.83
Tetrahydroxidoneodymat(III) Nd(OH)4- Nd(OH)4- ↔ Nd3+ + 4OH- 37.88