Quality of Ceftriaxone Sodium in Lyophilized Powder for Injection Evaluated by Clean, Fast, and Efficient Spectrophotometric Method

Table 2

Determination of the interday precision between analysts and for the UV spectrophotometric analysis of ceftriaxone sodium.

Interday					Among-analysts
Sample	Day	Content (g/vial)	Content (%)	RSD (%)	Analysts	Content (g/vial)	Content (%)	RSD (%)
1	1	1.001	100.10	1.44	A	1.019	101.95
	2	0.991	99.11		B	0.993	99.30	0.71
	3	1.019	101.95

Mean of six replicate analyses; RSD = relative standard deviation.