Table 3.

Results obtained from HPLC test for 4 analgesics of study.

Peak#	Rt (min)	Component name	Area	Height	Bl	Concentration (μg/L)
5	3.74	Paracetamol	2,041,425.60	169,914.60	BB	22.03
9	13.98	Tramadol	114,273.60	16,906.50	BB	< 0.01
12	23.06	Diclofenac	1,032,860.50	128,373.30	BV	27.20
13	23.46	Ibuprofen	263,300.30	33,247.70	VB	28.67

Note: # = number.

Abbreviations: BB = baseline to baseline, BL = baseline, RT =  retention time, VB = valley to baselines.