Methods: The IR of Radix Dipsaci decocting pieces and its confusable varieties Arctium lappa L. was obtained by Fourier Transform Infrared Spectrum and OMNI-sampler directly.
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- 方法:采用傅里叶变换红外光谱法并借助OMNI采样器直接测定续断饮片及其伪品牛蒡根的红外光谱。