ChemInform Abstract: Thermodynamic Studies on Equilibria Between the Branched Hexaamine N,N,N′,N′‐Tetrakis(3‐aminopropyl)ethylenediamine (TAPEN) and Hydrogen, Manganese(II), Iron(II), Cobalt(II), Nickel(II), Copper(II), and Zinc(II) Ions | Publicación