“…The titration curve for the titration of 11 x 10" s M Zn with KDTA in 005 M acetate buffer, j»II = 4Titration assembly according to lleijink and PoJalc[31] (i Stirring motor, 2 stirring rod, 3 anion exchanger, 4 microlmrette, 5 glas filter, 0 glass tube, 7 pump, S Xa J(T1) crystal, 0 photomultiplier, 10 lead mantle, 11 preamplifier, 12 single-channel analyser)…”