Tab. 5.

System suitability parameters and robustness

Robustness parameter	Resolution between MH imp-2 and MH	Tailing factor		% RSD for 5 replicates
		SP	MH	SP	MH
Buffer pH 5.30	2.4	1.1	1.1	0.41	0.50
Buffer pH 5.50	2.3	1.0	1.1	0.32	0.63
Flow rate 0.18 mL/min	2.2	1.0	1.1	0.33	0.42
Flow rate 0.22 mL/min	2.3	1.1	1.0	0.21	0.30
Column temperature 20°C	2.1	1.1	1.0	0.20	0.31
Column temperature 30°C	2.2	1.0	1.1	0.34	0.43