In this first of a two-part installment, John Hinshaw discusses the relative effects that inlet pressures and oven temperatures have on capillary gas chromatography.
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In last month’s installment of “GC Connections,” John Hinshaw discussed how peak retention times depend upon relationships between pre s s u re, flow rate, oven temperature , column dimensions, and stationary phase. This concluding installment of a two-part series discusses the effects that column variability has on isothermal capillary gas c h romatography and e x p l o res instrument calibration with the goal of maximizing instrument-toinstrument similarity of retention times.
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