Polymer species in aqueous solutions of para-phenylenediamine-N,N,N′,N′-tetraacetic acid (p-PhDTA) with cobalt(II), nickel(II), copper(II), zinc(II) and cadmium (II). X-ray crystal structure of Na4[Co2(p-PhDTA)2] · 8H2O

1. González, C.A.
2. Hernández-Padilla, M.
3. Domínguez, S.
4. Mederos, A.
5. Brito, F.
6. Arrieta, J.M.