% RSD
Robustness parameters
HCTZ
VAL
flow rate (± 0.02 ml min
-1
)
0.42
1.46
wavelength (± 5 nm)
0.58
1.42
column oven temp (± 5.0°C)
0.74
1.35
pH of buffer (± 0.2)
1.54
0.28
organic composition (± 2)
0.29
1.46
Table 5:
Robustness data for HCTZ and VAL.