Table 4.

Evaluation of precision study for determination of Marbofloxacin (MFC), Cefazolin (CFZ), and Sulfadimidine (SDD) by proposed HPTLC-densitometric method.

	Conc. (µg/band)	Intra-day (Repeatability)			Inter-day (Intermediate precision)			Pooled RSD (%)
		Mean conc. Found (µg/band)	Mean % recovery A ± SD	RSD (%)	Mean conc. Found (µg/band)	Mean % recovery A ± SD	RSD (%)
CFZ	0.005	0.005	97.79 ± 0.458	0.469	0.005	98.11 ± 0.297	0.302	0.509
	0.040	0.040	100.43 ± 0.482	0.481	0.040	99.79 ± 0.567	0.568
	0.090	0.090	99.99 ± 0.434	0.434	0.091	101.06 ± 0.812	0.803
MFC	0.005	0.005	100.95 ± 0.523	0.518	0.005	100.87 ± 0.125	0.124	0.459
	0.040	0.040	101.15 ± 0.679	0.671	0.040	100.63 ± 0.470	0.467
	0.090	0.089	99.16 ± 0.811	0.818	0.089	99.00 ± 0.159	0.161
SDD	0.005	0.005	101.16 ± 0.083	0.082	0.005	100.65 ± 0.527	0.523	0.331
	0.040	0.040	100.25 ± 0.354	0.353	0.040	100.33 ± 0.338	0.337
	0.090	0.090	100.03 ± 0.407	0.407	0.090	100.33 ± 0.280	0.279

^A Average of three determinations.