Table 3. Accuracy and Repeatability Results from Analytical Method Validation.

impurity	replicate	%	added (μg/mL)	found (μg/mL)	% recovery	% RSD
DP1	1	0.05	0.2266	0.2094	92.42	1.13
	2	0.15	0.6798	0.6264	92.15	0.61
	3	0.18	0.8157	0.7635	93.60	1.07
DP2	1	0.05	0.2389	0.2384	99.81	1.34
	2	0.15	0.7166	0.7185	100.27	0.50
	3	0.18	0.8600	0.8697	101.14	0.95
DP3	1	0.05	0.2628	0.2909	110.71	2.47
	2	0.15	0.7883	0.8878	112.63	0.28
	3	0.18	0.9459	1.0653	112.62	0.30
DP4	1	0.05	0.3785	0.2966	78.37	0.88
	2	0.15	0.9378	0.9932	105.91	0.69
	3	0.18	1.1355	1.0348	91.13	1.45
dFCBG	1	0.05	0.2823	0.3133	110.99	1.04
	2	0.15	0.8468	0.9144	107.99	0.29
	3	0.18	1.0161	1.0948	107.75	0.87
2CBG	1	0.05	0.2758	0.2857	103.60	1.57
	2	0.15	0.8273	0.8824	106.67	0.56
	3	0.18	0.9927	1.2140	122.30	0.61
4CBG	1	0.05	0.3038	0.3392	111.67	4.31
	2	0.15	0.9113	1.0279	112.81	1.22
	3	0.18	1.0935	1.2431	113.68	1.74
HICBG	1	0.05	0.2598	0.2701	103.99	1.91
	2	0.15	0.7793	0.8263	106.03	0.56
	3	0.18	0.9351	0.9978	106.70	0.93