The GCMS vaporizes the liquid and uses helium to carry the mix of gases through 15 meters of slender glass tubing coiled inside the machine.

• 气相层析质谱分析仪会让瓶内的溶液蒸发，再利用氦气携带气态的混合物，让混合物通过机器内盘绕长达15公尺的细玻璃管柱。