Page 52 - Tandem Techniques
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However, Golay also assumed a constant mobile phase velocity throughout the column and
consequently Ogan et al. introduced a modified equation to account for the compressibility of the
carrier gas, i.e:
It should be noted that as there is no packing present in the open tubular column consequently there is
no multipath term. The dispersion that takes place in an LC column has been studied by a number of
workers [26-29], each providing an alternative equation for (H).
Figure 1.8
Experimental Van Deemter Curve.
HETP Curve from Experimental Data of Katz et al
