Skip to main content

Advertisement

Table 2 System suitability parameters of the proposed HPLC-UV method

From: Removal and tracing of cephalosporins in industrial wastewater by SPE-HPLC: optimization of adsorption kinetics on mesoporous silica nanoparticles

Parameters Cefadroxil Cefprozil Cephalexin (I.S) Cefradine
Retention time (tR) 2.84 5.46 6.27 8.4
K′ (capacity factor) 1.44 3.7 4.41 6.24
Number of plates (N) 5662 7019 7544 8122
Height equivalent to the theoretical plates (HETP) 0.0018 0.0014 0.0013 0.0012
Tailing 0.85 0.80 0.8 0.79
Resolution (Rs) 13.02 3 6.64
Selectivity 2.64 1.06 1.38