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Science 19 May 1967:
Vol. 156. no. 3777, pp. 974 - 976
DOI: 10.1126/science.156.3777.974
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Articles

Continuous Gas Chromatography

M. V. Sussman 1 and C. C. Huang 1

1 Department of Chemical Engineering, Tufts University, Medford, Massachusetts

Continuous gas chromatography has been achieved with a radialflow chromatographic channel free of packing and formed between two closely spaced (50 to 75 microns) disc surfaces (optically flat and solvent-coated) rotating at one-half or one revolution per second. This technique provides high capacity and immediate response (in a fraction of a second). Mixtures of hydrocarbon gases have been separated at flow rates of 6 to 30 cubic centimeters per minute with 100 to 150 cubic centimeters per minute of nitrogen carrier gas in a chromatographic channel only 39 millimeters long.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)