Ion exchange is employed for the two analytical and preparative purposes from the laboratory, the analytical makes use of being the greater typical. Wouldn't you express that "shone" remains to be improved. Out of contexts like "shine shoes" or "shine a flashlight" I'd say "shone" on a regular basis. https://collintbjsz.ageeksblog.com/37974018/ion-exchange-chromatography-instrumentation-options