在线气相色谱-质谱联用技术在定性定量监测水中挥发性有机物的应用

Environmental Monitoring and Forewarning(2018)

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Abstract
通过将动态吹扫捕集气相色谱-质谱联用技术在线化,实现了全自动在线测定地表水中的54种挥发性有机物(VOCs),并能对其他VOCs进行定性半定量监测.54种VOCs的方法检出限为0.05~0.74μg/L,在0~10μg/L范围内线性良好;加标回收率为69.6%~107.2%;除1,2,4-三氯苯等5种VOCs外,其余49种VOCs的测定标准偏差均<10%.该方法检出限、线性、准确度和精密度都能满足水质自动监测的需要.
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