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Using hold‐up time as a measure of the speed of analysis with a given column efficiency, a theory of pneumatic optimization of a column in the fast high pressure drop isothermal and temperature programmed GC is developed. Expression for the hold‐up time as a function of column efficiency, carrier gas velocity and film thickness is derived. Also found are the expressions for the minimum hold‐up time and optimum gas velocity in a speed‐optimized column. These quantities are compared with their counterparts in the efficiency‐optimized column.
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Leonid M. Blumberg (1997) studied this question.
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