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[Objective] To establish identification methods for Cirsium shansiense Petrak and Potentilla discolor Bunge. [Method] IR fingerprint and TG-DTG curve analyses of C. shansiense and P. discolor were conducted by infrared spectrometer and TG-DTG. [Result] IR fingerprint and TG-DTG curve of C. shansiense and P. discolor had different characteristics. [Conclusion] The IR fingerprint and TG-DTG curve could be used for the identification of C. shansiense and P. discolor.
[Objective] To establish identification methods for Cirsium shansiense Petrak and Potentilla discolor Bunge. [Method] IR fingerprint and TG-DTG curve analyzes of C. shansiense and P. discolor were conducted by infrared spectrometer and TG-DTG. [Result] IR fingerprint and TG-DTG curve of C. shansiense and P. discolor had different characteristics. [Conclusion] The IR fingerprint and TG-DTG curve could be used for the identification of C. shansiense and P. discolor.