FTIR Spectrophotometry as a Green Tool for Quantitative Analysis of Drugs: Practical Application to Amoxicillin

Table 3

Accuracy of the spectrophotometric method in the mid-infrared region for analysis of amoxicillin capsules.

	Theoretical concentration (mg/pellet)	Real concentration (mg/pellet)	Recovery (%)	RSD %	Average recovery (%)
R1	0.800	0.798	99.800	1.45	100.420
R2	1.000	1.010	101.040	0.66
R3	1.200	1.205	100.420	0.80

RSD: relative standard deviation.