Correction: What is the fundamental ion-specific series for anions and cations? Ion specificity in standard partial molar volumes of electrolytes and electrostriction in water and non-aqueous solvents (Chemical Science (2017) 8 (7052–7065) DOI: 10.1039/c7sc02691a)

The authors regret that Fig. 1 is incorrect in the original article. The correct version of Fig. 1 is presented below. The “forward” direction of the alkali metal cations, bivalent cations and guanidinium ion is now reversed, with the most effective cations at precipitating proteins now correctly indicated. The relative positioning of the tetraalkylammonium ions with respect to the alkali metal cations is also corrected (their “forward” direction was correct in Fig. 1 in the original article and need not be reversed). The lyotropic series of cations has been ipped, so that it runs in the same direction as the cation Hofmeister series. The authors also regret that Tables 5 and 7 are incorrect. The correct versions of Tables 5 and 7 are presented below. In both tables, the “forward” Hofmeister series (light yellow background) has been corrected to the “reverse” Hofmeister series (light orange background). In Table 5, the “NMF” column under “Aprotic solvents” was an error and has been removed. [Figure Presented] The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.