Dispersion in Chromatography Columns - Experimental Validation of the Van Deemter Equation > Page 79

Table 1.  Properties of the Mobile Phase and Solutes

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Mobile Phase           Benzyl Acetate                    Hexamethylbenzene

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                             k'         k'e      Dm (10-5cm2/sec) Dm (10-5cm2/sec)

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1/4.6%(w/w)

Et.Ac. in n-C5       2.05     4.07                3.61                     3.51

 

2/4.9%(w/w) .       1.97     3.94                3.06                     2.73

Et.Ac.in n-C6

 

3/4.32%(w/w)        2.04     4.06                2.45                     2.23

Et.Ac.in n-C7

 

4/4.5%(w/w)          2.01     4.01                2.01                     1.71

Et.Ac.in n-C8

 

5/4.4%(w/w)          2.12     4.20                1.65                     1.35

Et.Ac.in n-C9

 

6/4.8%(w/w)          2.01     4.01                1.46                     1.17

Et.Ac. in n-C10