Parameters Ceftriaxone Vancomycin Retention Time (Rt)  min 3.7 2.7 LOD (μg/ml) 0.9 0.6 LOQ (μg/ml) 2.7 2.02 HETP 33.573 61.280 Tailing factor 1.289 1.175 Resolution 3.169 -- Theoretical plate 10467 5930 Capacity  factor 13.7 24.4

Table 2: System suitability parameters of the proposed analytical method of ceftriaxone and vancomycin.