Erratum to: Geochemical Transactions (2014) 15:6 DOI 10.1186/1467-4866-15-6

In the original version of this article errors in Figs. 5 and 9 were identified by the authors. The corrected figures are given below.

Fig. 5
figure 5

Speciation diagram of ZN(II) chloride species at a range of chloride concentrations and a Zn(II) concentration of 0.046 mM at pH 5.0

Fig. 9
figure 9

Speciation diagram of Cu(II) chloride species at a range of chloride concentrations and a Cu(II) concentration of 0.131 mM and pH 5.0