00424nam a22001337a 4500082001700000100001800017245005400035260003900089300000700128490002800135942000700163999001500170952010500185  a541.3723 GRI  aR.W.Grimsshaw  aIOn- exchange Introduction to theory and practice  aLondonbthe Chemical Societyc1975  a91  aMonographs for Teachers  cBK  c2598d2598  0010708NFICaICbICcGENd2015-12-06l0o541.3723 GRIp000572r2022-11-17 00:00:00w2015-12-06yBK