Identification of Os Draconis by Infrared Spectroscopy
Objective:Rapid authentication of Os Draconis using infrared spectroscop.Methods:Collect infrared spectral data of 20 batches of genuine and 20 batches of Os Draconis,and analysis by similarity evaluation.Preprocessing techniques used on the data included standard normal variable(SNV),multivariate scattering correction(MSC),Savitzky-golay smooth(SG),and the second derivative(2ND).Then processed data were then put through principal component analysis(PCA)and hierarchical clustering analysis(HCA).Results:PCA and HCA indicated that the infrared spectra of samples had good characteristics for identification and the cluster of samples was correct.Infrared spectroscopy has good characteristics,and cluster analysis and principal component analysis can achieve accurate identification of Os Draconis.
Os Draconisinfrared spectrumqualitative analysiscluster analysisPCA
万方数据
维普
