Quality Evaluation of Polar and Active Components in Crude and Processed Fructus Corni by Quantitative Analysis of Multicomponents with Single Marker

Table 8

Relative retention time of target peaks by different instruments and columns ().

Instruments	Chromatograph columns	/	/	/	/	/	/	/	/	/	/
Waters 2695-2998	Elite	0.16	0.21	0.51	0.95	0.97	1.19	1.20	1.46	1.47	1.59
	Agilent	0.16	0.22	0.51	0.94	0.96	1.23	1.25	1.52	1.54	1.67
	Wel Materials	0.16	0.22	0.57	0.97	0.98	1.17	1.19	1.43	1.46	1.58
Agilent 1100	Elite	0.16	0.21	0.52	0.96	0.98	1.18	1.19	1.45	1.46	1.59
	Agilent	0.17	0.20	0.51	0.95	0.97	1.20	1.21	1.47	1.50	1.63
	Wel Materials	0.16	0.24	0.57	0.97	0.99	1.16	1.19	1.43	1.45	1.58
Agilent 1260	Elite	0.16	0.22	0.53	0.96	0.98	1.18	1.20	1.46	1.47	1.60
	Wel Materials	0.17	0.21	0.56	0.97	0.99	1.17	1.19	1.44	1.46	1.58
Mean		0.16	0.22	0.53	0.96	0.98	1.19	1.20	1.46	1.48	1.60
RSD %		3.28	4.48	4.90	1.02	0.85	1.87	1.72	2.06	2.00	1.95