Question

Briefly explain in no more than three sentences, how each of these factors will likely
affect the retention time of a chromatographic process:

a) Increase the length of the column
b) Decrease carrier gas velocity
c) Increase the thickness of a stationary phase
d) Increase the internal diameter of a column
e) Setting the injection port temperature below the boiling point of the analyte
f) Setting the column temperature below the boiling point of the analyte
g) Significant diffusion of analyte in carrier gas