title: A "hollow plug" for the rapid removal of ions from small volumes of liquid.
mesh_terms: D002623:Chemistry Techniques, Analytical / Q000295:instrumentation*; D007475:Ion Exchange Resins; D010936:Plant Extracts / Q000032:analysis; D011095:Polyethylenes
chemical_list: D007475:Ion Exchange Resins; D010936:Plant Extracts; D011095:Polyethylenes