Erratum: Measurement of zinc stable isotope ratios in biogeochemical matrices by double-spike MC-ICPMS and determination of the isotope ratio pool available for plants from soil. - Arnold, T; Schönbächler, M; Rehkämper, M; Dong, S; Zhao, FJ; Kirk, GJ; Coles, BJ; Weiss, DJ (Anal Bioanal Chem, 2011)