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《Environmental Science and Management》 2017-05
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Key Factors for Determining Non-methane Hydrocarbons

Wu Yinju;Qu Bailu;Li Daqing;Hou Yulan;Zhang Kun;Xu Xiongfei;Environmental Monitoring Center of Changsha;  
According to China Environmental Status Bulletin 2015,in the most cities,there is an increasing trend in the number of days that Ozone was the primary pollutant. Volatile organic compounds( VOCs) is one of the most important precursors to produce ozone,at the same time also can have an impact on PM_(2.5). VOCs planning into the total quantity control system is become the focus of monitoring and control. Because non-methane hydrocarbons( NMHC) represents the degree of volatile organic pollution in the air,some cities such as Shanghai,Guangzhou and Xi'an have used NMHC as the evaluation index of the VOCs. For supplying some suggestion for the actual work,we discussed and analyzed the sample collection,injection mode and the chromatographic column. The results showed that the sampling bag have good air tightness and chemically inert and conserve sample longer. The mothed to analyze NMHC by gas chromatography with couple columns and couple FID detector is faster and more ccurate.
【CateGory Index】: X831
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1 Wu Yinju;Qu Bailu;Li Daqing;Hou Yulan;Zhang Kun;Xu Xiongfei;Environmental Monitoring Center of Changsha;;Key Factors for Determining Non-methane Hydrocarbons[J];环境科学与管理;2017-05
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