iStockphoto.com/Andrea Laurita. The BRYCS Clearinghouse is an online collection of resources related to refugee and immigrant children and families. It is geared towards front-line workers, program planners, and administrators as well as researchers and policy-makers.
Define cation exchange: ion exchange in which one cation (as sodium or hydrogen) is substituted for one or more other cations (as calcium andâ¦ ion exchange in which one cation (as sodium or hydrogen) is substituted for one or more other cations (as calcium and magnesium in hard water)â¦ See the full definition since 1828
The net charge of the molecule(s) of interest determines resin choice. If positively charged molecules are to be immobilized by the column resin, a cation exchange resin is chosen, whereas a positively charged anion exchange resin is chosen if negatively charged molecules are to be captured by the resin.