Referee's report by William Edward Garner, on a paper 'A theoretical treatment of cation exchangers. I. The prediction of equilibrium constants from osmotic data' by J F Duncan and Eugen Glueckauf Sectional committee: Chemistry Paper reference code: A25 Recommended for publication in the Proceedings. Garner remarks on the importance of the paper, however he has been unable to check the 'various approximations' the author makes. [Published in Proceedings A, 1952]. Date received not given. 6 March 1952