Figure 5.
Effect of free-MSA concentration on cell voltage and current efficiency (current density 207 A/m2, tin concentration 130 g/L, electrode spacing 4.0 cm, temperature 295.15 K, 4 h; (b) 30 g/L, (c) 50 g/L, (d) 90 g/L, and (e) 120 g/L).
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