产品纯度和结构由气相色谱、气质联用仪及核磁共振仪确定。
The purity and structure of the product was examined by GC GC-MS and NMR.
借助气质联用仪，对苦楝粗多糖和组分mp1进行了成分分析。
The compositions of polysaccharide from Melia azedarach fruit and MP1 were also determined and quantified by GC-MS and IR spectrum.
方法：利用GC-MS气质联用仪对香附炮制前后的挥发油进行成分分析。
Methods: GC-MS machine was used to analyze the chemical composition in volatile oils.
方法：利用GC-MS气质联用仪对香附炮制前后的挥发油进行成分分析。
Methods: GC-MS machine was used to analyze the chemical composition in volatile oils.
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