Optimum gas chromatographic conditions in wall‐coated capillary columns. Extended and simplified forms of the Golay‐equation

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Abstract
Band broadening in capillary columns is satisfactorily described by the Golay‐equation extended to situations of appreciable pressure drop by Giddings. In practice, however, several simplifications are often made. The effect of these simplifications on the calculated values of the minimum plate height and optimum carrier gas velocity are treated systematically.