Robustness data

Parameter	% RSD^a
Parameter	Benzene	Toluene	Chlorobenzene
Effect of Variation Flow
2.4ml/min	3.6	0.6	0.7
2.5ml/min	1.5	0.8	0.7
2.6ml/min	2.6	1.7	1.7
Effect of Variation in Column oven temperature
55°C	4.2	2.7	1.9
60°C	1.5	0.8	0.7
65°C	3.2	2.2	1.7
^aRelative standard deviation (n=6)

Table 5: Robustness data.