ION CHROMATOGRAPHY SYSTEM WITH ELUENT RECYCLE

摘要

Non-suppressed ion chromatography apparatus including a chromatographic column (18), a source (10) of an aqueous eluent liquid stream (12), a detector (20), a recycle line (22,26) between the detector and the chromatographic columninlet, and a purifying device (24) disposed along the recycle line including ion exchange removal medium. Also, such apparatus with an electrolytic purifying device disposed along the recycle line. Also, methods of using such apparatus.