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Inorganic gas chromatography

I. Principles and optimization of isothermal separation conditions

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Summary

The possibilities of using gas-solid chromatography as a method for the separation of trace amounts of various elements such as volatile chlorides or oxychlorides are investigated. The use of quartz as the column material and graphite, quartz or quartz coated with different ionic chlorides of low volatility as the stationary phase allows the use of temperatures up to ≈1100 K and consequently the separation of many elements as chlorides. The theory of linear equilibrium chromatography is applied successfully to the investigation of the influence of temperature and the type of solid (stationary) phase, in order to optimize separations. The dependence of the peak width on the various parameters is more complex, but several general principles can be derived from the experimental results. From these data physicochemical properties of the adsorbate-adsorbent systems investigated can be derived, and the optimum conditions for isothermal separations can be estimated.

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Authors and Affiliations

  1. Fachbereich für Anorganische Chemie und Kernchemie der Technischen Hochschule Darmstadt, D-6100, Darmstadt, West Germany

    J. Rudolph & K. Bächmann

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  1. J. Rudolph
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  2. K. Bächmann
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Rudolph, J., Bächmann, K. Inorganic gas chromatography. Chromatographia 10, 731–743 (1977). https://doi.org/10.1007/BF02263085

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  • DOI: https://doi.org/10.1007/BF02263085

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