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

Table 2

Predicted concentrations of acetaminophen in different excipients and relative errors using the 200 mg/mL solution (G and PEG).

Sample	Predicted concentration using standard excipient (%)	Predicted concentration using polyethylene glycol (%)	Relative error (%)
1	99.1	98.9	0.2%
2	100.3	98.7	1.6%
3	100.2	98.4	1.8%
4	100.1	98.3	1.8%
5	99.7	98.2	1.5%
6	100.6	98.2	2.4%