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Citric complexes and neodymium citrate: NdCit, 3H2O

1981; Pergamon Press; Volume: 43; Issue: 7 Linguagem: Inglês

10.1016/0022-1902(81)80333-8

1878-1225

D.R. Svoronos, S. Boulhassa, R. Guillaumont, M. Quarton,

Radioactive element chemistry and processing

After determination by a potentiometric method of the formation constants of different neodymium citric acid complexes in aqueous solution as a function of pH (1–13), we succeeded in obtaining crystallized neodymium citrate Nd cit, 3H2O by a rigorously defined process. The crystals are monoclinic, space group PP21c cell dimensions a = 6.295 Å, b = 9.794 Å, c = 18.346 Å, and β = 111.41°, with four formulae funits per unit cell.