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Table 3 Robustness of the analytical method

From: Rapid ultra-performance liquid chromatography assay of losartan potassium in bulk and formulations

  Value
Column temperature, 15-ppm LOS 39°C, area 40°C, area 41°C, area %RE %RSD
1,672,455 1,675,725 1,674,952 −0.097 for 39°C −0.095 for 41°C 0.13 for 39°C 0.12 for 41°C
1,671,846 1,672,374 1,671,854
1,674,985 1,671,377 1,671,853
1,673,917 1,671,377 1,670,988
1,674,992 1,671,377 1,669,852
1,677,866 1,669,455 1,673,479
Wavelength, 15-ppm LOS 243 nm, area 245 nm, area 247 nm, area %RE %RSD
1,672,379 1,675,725 1,672,874 −0.093 for 241 nm −0.090 for 245 nm 0.13 for 241 nm 0.06 for 245 nm
1,671,895 1,672,374 1,671,893
1,674,813 1,671,377 1,671,623
1,673,739 1,671,898 1,672,098
1,674,385 1,670,491 1,671,254
1,677,930 1,669,455 1,669,695