A onboard Ion-molecule Reaction MS was used to determine volatile organic compounds. It could on-site quantitative analysis and determination pollutant concentration directly. The result indicated that excellent precision and accuracy has been received by this method. It could be better application for environmental monitoring analysis.%采用车载-离子分子反应质谱仪测定挥发性有机物,可以现场定性分析和直观的定量出各种污染物质的浓度变化趋势.该仪器具有精密度好、准确度高等特点.非常适用于环境空气中的应急监测.
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