Sequestration of Alkyltin(IV) Compounds in Aqueous Solution: Formation, Stability, and Empirical Relationships for the Binding of Dimethyltin(IV) Cation by N- and O-Donor Ligands

Figure 1

Distribution diagrams of dimethyltin(IV)/amine species versus pH in NaCl_aq at t = 25°C. Diagrams: (a) putrescine; (b) polyethyleneimine (considered as a simple diamine). Species: (1) MLH₃; (2) MLH₂; (3) MLH; (4) ML; (5) ML₂. Charges omitted for simplicity. Experimental conditions: 𝐶_𝑑𝑚𝑡=0.003molL⁻¹, 𝐶_𝐿=0.005molL⁻¹;𝐼=0.1molL⁻¹.

(a)

(b)