Table 4. Accuracy Results of EXE and GEN.

sample name	level	actual concentration of sample (μg/mL)	concentration of sample spiked (μg/mL)	concentration of sample obtained (μg/mL)	% recovery	SD	% RSD
EXE
EXE	80%	15	27	26.90	99.62	0.745	0.74
	80%	15	27	27.30	101.11
	80%	15	27	27.10	100.37
	100%	25	50	50.10	100.21	0.995	0.96
	100%	25	50	49.60	99.25
	100%	25	50	49.15	98.30
	120%	35	77	77.20	100.25	0.819	0.82
	120%	35	77	77.37	100.48
	120%	35	77	76.20	98.96
GEN
GEN	80%	15	27	27.29	101.07	0.551	0.55
	80%	15	27	26.99	99.96
	80%	15	27	27.12	100.44
	100%	25	50	49.50	99.00	1.216	1.21
	100%	25	50	50.66	101.32
	100%	25	50	49.78	99.56
	120%	35	77	77.70	100.90	0.775	0.77
	120%	35	77	77.15	100.19
	120%	35	77	76.50	99.35