Preparative liquid chromatography |
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Authors: | G. Guiochon Anita Katti |
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Affiliation: | (1) Chemistry Department, University of Tennessee, 37996-1600 Knoxville, TN;(2) Oak Ridge National Laboratory, Analytical Chemistry Division, Bldg 4500 South, M.S. 120, P.O. Box X, 37831 Oak Ridge, TN, USA |
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Abstract: | Summary Historically, liquid chromatography has been a preparative technique. Its applications have been limited, however, until a decade ago. The needs of modern chemical, pharmaceutical and biochemical industries have motivated this period of phenomenal growth which is being witnessed now. Novel packing materials, new packing technologies, and advancements in instrumentation and process technologies have appeared in rapid succession. Instruments using columns with diameters ranging from a few inches to a few feet, can be packed with efficiencies comparable or better than analytical columns having the same packing material. This permits the development of new applications covering a wide variety of problems. The empirical approach, followed until recently for the development of new applications, is being improved by insights derived from a better understanding of the theory of large concentration chromatography. With increased computer power and a greater comprehension of the theoretical aspects, a fundamental approach to design and optimization of the operating parameters is being developed. Investigation of the components of the cost of industrial production is also in its early stages. Historical trends, theoretical treatments, column technologies, operating modes and guidelines for optimization will be discussed and reviewed. |
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Keywords: | Column liquid chromatography Preparative scale Operating parameters Optimization |
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