Erratum to: Anal Bioanal Chem

DOI: 10.1007/s00216-015-8937-2

The publisher regrets that in the original version of this article the units in the legend of Fig. 5b and the greek charakter μ (micro) were incorrect. The correct version of Fig. 5 is given below.

Our sincere apologies to the authors.

figure a

Fig. 5 Relative change of ion abundances of spectra of RTL-W1 exposed to various concentrations of copper sulfate (a), acridine (b) and BNF (c) compared to the controls. Data are shown as means and standard deviations of six independent experiments