The chemical composition of the largest spot on thin layer plate was identified by Infrared spectrum, and its content was determined by TLC scanning.
挥发大蒜油在薄层板上分离出的最大斑点的化学成分用红外光谱法定性，用薄层扫描法定量。
The chemical composition of the largest spot on thin layer plate was identified by Infrared spectrum, and its content was determined by TLC scanning.
挥发大蒜油在薄层板上分离出的最大斑点的化学成分用红外光谱法定性，用薄层扫描法定量。
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