Quantitative Evaluation of Acetaminophen in Oral Solutions by Dispersive Raman Spectroscopy for Quality Control

Table 3

Solutions of different concentrations (160, 200, and 240 mg/mL) used to calculate the precision (RSD) and accuracy (AC).

Real concentration (mg/mL)	VO; RS/PLS (mg/mL)	DAC (mg/mL)	SD (mg/mL)	RSD (%)	AD (mg/mL)	RD (%)	AC (%)
160	168.5	167.7	1.0	0.6	−7.7	−4.6	104,8
	166.8
	168.1
	167.1
	169.2
	166.7
200	194.9	197.8	2.9	1.5	−2.2	−1.1	99.0
	198.2
	198.2
	195.6
	196.4
	203.1
240	223.6	224.8; 230.1**	13.4; 4.0**	6.0; 1.7**	−9.9**	−4.3**	98.5
	232.5
	233.2
	*198.5
	228.9
	232.3

∗Outlier, ∗∗recalculated values after outlier being excluded.