•Ion Chromatography (Ion Exchange)
•Historically was developed for the
•Manhattan Project (atomic bomb)
•Generally not automated because of the lack of good detectors until it was reinvented in 1970’s at Dow Chemical using conductivity detection & chemical suppression •Stationary phases are resin beads of styrene-divinylbenzene functionalized with cationic & anionic groups developed for water purification in 1930’s