MULTI - LIGAND PREPARATIONS CONTAINING ONE OR MORE METAL SPECIES

摘要

A mixture of more than one type of ligand and one or more species of di -or tri -valent metal ion. None of the ligands is an hexadentate ligand. At least two of the species of di or tri-valent metal ion species is capable of forming chelates. The use of the mixture is at least in introducing metals to biological systems.