首页> 美国政府科技报告 >Investigation of Relationship between Total Non-Methane Organic Carbon and the Sum of Speciated Hydrocarbons and Carbonyls Measured by Standard GC/FID: Validation and Refinement of a New Instrument, and Measurements in the South Coast Air Basin
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Investigation of Relationship between Total Non-Methane Organic Carbon and the Sum of Speciated Hydrocarbons and Carbonyls Measured by Standard GC/FID: Validation and Refinement of a New Instrument, and Measurements in the South Coast Air Basin

机译:标准GC / FID测量的非甲烷有机碳总量与特定碳氢化合物和羰基的总和之间的关系:新仪器的验证和细化,以及南海岸空气流域的测量

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Here the authors describe development of a new instrument to measure the airborne total non-methane organic carbon concentration (TNMOC), and the ratio of this value to the sum of speciated volatile organic carbon (VOC's) measured by standard gas chromatography. The approach is to make a measurement that minimizes sample contact, cryo-trapping whole air samples with minimal trapping of carbon dioxide, carbon monoxide and methane. Samples are processed by an oxidation catalyst to generate carbon dioxide that is measured as TNMOC. Simultaneously, a standard speciated VOC's measurement is made with the same instrument.

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