Complexation equilibrium between iron(III) and N,N'-bis(2-hydroxyphenylmethyl)-N,N'-bis(2-pyridylmethyl)-1,2-ethanediamine N. Hirayama, N. Ichitani, N. Kuzuya, K. Kubono, H. Kokusen and T. Honjo Analusis, 26 9 (1998) 370-372 DOI: 10.1051/analusis:1998187