I. INTRODUCTION|A. Purpose of This Review This review deals with a new analytical methodology which successfully combines ion-exchange principles with conductimetric detection. This technique, known as ion chromatography (IC), was introduced in 1975 by Small, Stevens, and Bauman.1 IC has proven to be very useful for the determination of aqueous ionic species with pK less than approximately seven. The technique fills the need for simple, rapid, and reliable determination of the common ions (such as SO4 2-, Cl-, NO- 3, etc.) in either simple or complicated matrices. Typical ion chromatograms of anions and cations are shown in Figures 1 and 2. Both organic and inorganic ions have been separated and detected by IC. This review is intended to illustrate IC principles, practice, and instrumentation. The bulk of this work is devoted to the application of IC in air and water pollution, quality control, process sampling, clinical chemistry, microelemental and geochemical analysis, and energy-related areas such as power production.
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Smith et al. (1980) studied this question.
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