Fingerprint analysis of phenolic acid extract of Salvia miltiorrhiza by digital reference standard analyzer with one or two reference standards

Table 4 Average t_R deviation and identification rate on different columns with different t_R window

Code	t_R window = 0.3 min		t_R window = 0.5 min		t_R window = 0.8 min		t_R window = 1.0 min		t_R window = 1.5 min		t_R window = 2.0 min
Code	t_R deviation /min	Identification rate/%	t_R deviation /min	Identification rate/%	t_R deviation /min	Identification rate/%	t_R deviation /min	Identification rate/%	t_R deviation /min	Identification rate/%	t_R deviation /min	Identification rate/%
Col1	0.700	45.4	0.350	90.9	0.318	100	0.318	100	0.318	100	0.318	100
Col2	0.400	72.7	0.320	90.9	0.320	90.9	0.320	90.9	0.291	100	0.291	100
Col3	0.147	90.9	0.134	100	0.134	100	0.134	100	0.134	100	0.134	100
Col4	0.297	72.7	0.216	100	0.216	100	0.216	100	0.216	100	0.216	100
Col5	0.257	81.8	0.231	90.9	0.231	90.9	0.210	100	0.210	100	0.210	100
Col6	0.108	100	0.108	100	0.108	100	0.108	100	0.108	100	0.108	100
Col7	0.092	90.9	0.084	100	0.084	100	0.084	100	0.084	100	0.084	100
Col8	0.214	81.8	0.175	100	0.175	100	0.175	100	0.175	100	0.175	100
Col9	0.454	63.6	0.318	90.9	0.318	90.9	0.318	90.9	0.289	100	0.289	100
Col10	0.100	90.9	0.087	100	0.087	100	0.087	100	0.087	100	0.087	100
Col11	1.111	45.4	0.794	63.6	0.617	81.8	0.556	90.9	0.556	90.9	0.556	90.9
Col12	0.175	90.9	0.175	90.9	0.159	100	0.159	100	0.159	100	0.159	100
Col13	0.188	90.9	0.188	90.9	0.170	100	0.170	100	0.170	100	0.170	100
Col14	1.504	27.3	0.645	63.6	0.451	90.9	0.451	90.9	0.410	100	0.410	100
Col15	0.250	81.8	0.204	100	0.204	100	0.204	100	0.204	100	0.204	100
Col16	0.137	90.9	0.125	100	0.125	100	0.125	100	0.125	100	0.125	100
Col17	0.118	90.9	0.108	100	0.108	100	0.108	100	0.108	100	0.108	100
Average	0.368	77.0	0.251	92.5	0.225	96.8	0.220	97.9	0.214	99.5	0.214	99.5

ISSN: 1749-8546