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Table 1 List of independent factors and their levels used for screening design

From: Experimental design approach, screening and optimization of system variables, analytical method development of flurbiprofen in nanoparticles and stability-indicating methods for high-pressure liquid chromatography

Name Units Levels
   Low (− 1) High (+ 1)
MeOH conc % 80 82
Flow rate ml/min 1 1.2
Temperature C 25 26
Wavelength nm 245 247
pH 2.5 3