Parameters | Values | Retention time | Tailing factor | Theoretical plates | RSD of standard area (%) | % Assay | Absolute difference |
---|---|---|---|---|---|---|---|
Control | As per method | 4.990 | 1.20 | 6760 | 0.16 | 100.5 | – |
Flow rate (± 0.1 mL/min) | 0.4 mL/min | 6.201 | 1.18 | 7371 | 0.22 | 100.5 | 0.0 |
0.6 mL/min | 4.153 | 1.20 | 5922 | 0.26 | 100.2 | 0.3 | |
Change in wavelength (± 5 nm) | 257 nm | 4.967 | 1.21 | 6608 | 0.34 | 100.5 | 0.0 |
267 nm | 4.967 | 1.21 | 6656 | 0.14 | 98.9 | 1.6 | |
Buffer pH (± 0.2 unit) | pH − 2.98 | 4.912 | 1.20 | 6230 | 0.25 | 98.7 | 1.8 |
pH − 3.02 | 4.922 | 1.0 | 5998 | 0.68 | 98.6 | 1.9 | |
Column temperature (± 5 °C) | 35 °C | 4.962 | 1.20 | 6522 | 0.57 | 99.6 | 0.9 |
45 °C | 3.781 | 1.20 | 6759 | 0.39 | 99.7 | 0.8 |