Table 4.

Precision of the proposed RP-HPTLC method of rutin and quercetin (n = 3).

	Intra-day precision			Inter-day precision
	Average Conc. found ± SD	%RSD	SEM	Average Conc. found ± SD	%RSD	SEM
Conc. of rutin (ng/spot)
400	398.16±1.55	0.390	0.632	394.14±1.49	0.379	0.610
600	600.80±3.22	0.536	1.315	595.21±3.01	0.506	1.230
800	797.95±5.63	0.706	2.299	792.40±5.21	0.657	2.127
Conc. of quercetin (ng/spot)
400	397.76±2.31	0.581	0.094	395.58±2.19	0.554	0.895
600	600.34±3.59	0.599	1.468	597.36±3.26	0.546	1.334
800	799.82±2.82	0.353	1.153	794.27±2.51	0.317	1.028