Quality Assessment of Licorice Based on Quantitative Analysis of Multicomponents by Single Marker Combined with HPLC Fingerprint

Table 5

Results of robustness test for RCF.

Instrument	Column^1	L1	L2	L3	L4	L5	L6	L7	L8	L9	L11
Agilent 1290 + 6545	1#	0.8457	0.8965	0.9703	1.7444	1.9682	3.4258	3.1359	2.1659	0.9854	1.9647
	2#	0.8679	0.8806	0.9651	1.7515	1.9721	3.4312	3.1583	2.1789	1.0416	1.9832
	3#	0.8564	0.8717	0.9657	1.7555	1.9628	3.4451	3.0085	2.1539	1.0336	1.9988
Agilent 1260	1#	0.8462	0.8959	0.9700	1.7450	1.9677	3.4266	3.1355	2.1652	0.9887	1.9651
	2#	0.8636	0.8698	0.9634	1.7556	1.9712	3.4296	3.1390	2.1720	1.0312	1.9765
	3#	0.8721	0.8497	0.9875	1.7572	1.9914	3.4184	3.1716	2.1963	1.0304	1.9963
Waters Alliance E2695	1#	0.8455	0.8962	0.9698	1.7467	1.9698	3.4254	3.1363	2.1677	0.9820	1.9691
	2#	0.8624	0.8834	0.9581	1.7390	1.9619	3.4259	3.1361	2.1673	1.0391	1.9752
	3#	0.8659	0.8419	0.9853	1.7498	1.9845	3.4316	3.1617	2.1899	1.0297	1.9893
Mean		0.8584	0.8762	0.9706	1.7494	1.9722	3.4288	3.1314	2.1730	1.0180	1.9798
RSD%		1.21	2.29	1.01	0.35	0.49	0.21	1.54	0.61	2.44	0.65

¹1#: DiKMA-C₁₈; 2#: Agilent-C₁₈; 3#: Thermo-C₁₈.