Some Cation-Exchange Equilibria on Dowex 50 at 25°

Summaries of the results of ion-exchange equilibria and of maximum water uptakes at 25 deg of Dowex 50 resins of 4, 8, and 16% DVB content are given for the following systems: NH/sub 3/OH/sup +/ -H/sup +/, Ca/sup +2/ - Ni/sup +2/, Mn/ sup +2/Ni/sup +2/, Ba/aup +2/ - Be/sup +2/, Ce/sup +3/Ag/sup +/, La/sup +3/ - Ce/ sup +3/, Ce/sup +3/ - Cr/sup +3/. (J.S.R.)