A suppressed ion chromatographic apparatus using a regenerant recycle loop, comprising (a) an ion separation device, (b) a membrane suppressor, (c) a detector, (d) a container for regenerant solution, (e) a first conduit between the ion separation device and the suppressor, (f) a second conduit between...http://www.google.com.au/patents/US8021555?utm_source=gb-gplus-sharePatent US8021555 - Recycled suppressor regenerants
