Table 1.
System performance parameters for ceftriaxone sodium and sulbactam sodium (n=5)
| Peak # | Compounds | tR (min) | N | K | RS | α |
|---|---|---|---|---|---|---|
| 1 | Sulbactam | 3.426 | 8966 | 1.22 | -- | -- |
| 2 | Ceftriaxone | 5.982 | 6647 | 2.88 | 10.69 | 2.36 |
The chromatographic conditions used were: ODS Hypersil C-18 Column, mobile phase of acetonitrile and 0.005 N TBAH (30:70), flow rate of 1.5 ml/min, detection wavelength of 220 nm, room temperature 25°C. tR, retention time; N, theoretical plates; K, capacity factor; RS, resolution; α, selectivity factor.