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angreat

铜虫 (小有名气)

[求助] 在线质谱仪如何 定量?

实验室用GCMS分析样品时,都是通过标样来定量。最近接触了在线气溶胶化学组分分析仪(ACSM),该仪器通过将气溶胶颗粒气化,然后离子化进行检测,但有一点困惑:在线仪器没有用到标样,检测结果只是电信号,仪器是如何将电信号转换成样品组分浓度值的呢?
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