Table 3.

Assay results for ceftriaxone sodium and sulbactam sodium sterile powder for injection (mean ± S.D.)

Batch No.	Sulbactam sodium	Ceftriaxone sodium
1	100.88 ± 0.31	100.54 ± 0.53
2	99.81 ± 0.23	100.12 ± 0.34
3	99.92 ± 0.61	100.30 ± 0.12

The chromatographic conditions used were: ODS Hypersil C-18 Column, mobile phase of acetonitrile and 0.005N TBAH (30:70), flow rate of 1.5 ml/min, detection wavelength of 220 nm, room temperature 25°C.