After removing ether in the extract in a rotary evaporator, a transparent, yellow liquid with special fragrance was obtained, which contains the volatile components of the sample. The recovery was about 6.5%.

  • 用旋转蒸发器除去乙醚后即得到含有试样中挥发组分的透明的黄色液体,收得率为6.5%,应用GC/MS法对黄色液体的组分进行定性和定量分析。

  • 互联网摘选 2025-01-20 17:28:20

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