Fig. 7From: Fingerprint analysis of phenolic acid extract of Salvia miltiorrhiza by digital reference standard analyzer with one or two reference standardsComparison of RRT method and LCTRS method on column 15 (WatersSunfire, C18). a The result of the RRT method, b The result of the LCTRS + PDA method ( Qualitative analysis result of peaks, Information table, Linear regression result, Spectrum result)Back to article page