OBJECTIVE Near infrared diffuse reflectance spectrophotometry (NIRDRS) and chemometrics were applied to the quantitative analysis of cefalexin in capsules.
目的：应用近红外漫反射技术和化学计量学的方法对头孢氨苄胶囊进行定量分析。
Methods Near-infrared diffuse reflectance spectrometry (NIRDRS) combined with clustering analysis was used. Results the dendrogram of clustering analysis showed that there exists obvious difference.
方法利用近红外漫反射光谱法，采用聚类分析方法进行定性鉴别。
Methods Near-infrared diffuse reflectance spectrometry (NIRDRS) combined with clustering analysis was used. Results the dendrogram of clustering analysis showed that there exists obvious difference.
方法利用近红外漫反射光谱法，采用聚类分析方法进行定性鉴别。
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