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大氣中總烴、甲烷、非甲烷烴色譜分析
大氣中總烴、甲烷、非甲烷烴色譜分析 詳細信息：

固定相：高分子小球

GDX-502，2m*3mm，2m*4mm，2m*1/8，60-80目

甲烷柱

總烴柱

2m*3mm，2m*4mm，2m*1/8，硅烷化玻璃微球

隨著我國石油工業的飛速發展及汽車數量的日益增多,大氣中烴類的污染較為嚴重,它與氮氧化物在陽光紫外線照射下產生“光化學煙霧”.經國外長期研究證明,烴類是形成“光化學煙霧”的重要起源物質.為此,要研究“光化學煙霧”的污染規律,先弄清楚烴類在大氣中的污染狀況是十分必要的.目前分析總烴的手段并不多,有選擇燃燒法、紅外法、色譜法等.色譜法對分析烴類具有靈敏度高、速度快等優點,大多數都采用以CH_4為標氣,測得總烴濃度。

滕州市浩瀚色譜儀器技術服務有限公司，介紹了目前色譜法測定環境大氣中總碳氫化合物常用的幾種方法,分析了它們的特點、長處以及適用范圍。針對方法各自的特點及局限性,提出根據分析對象的性質、現場環境和實際條件來確定效果較好的采樣方式和分析手續。

大氣中總烴、甲烷、非甲烷烴色譜分析 圖片：



Chromatographic analysis of total hydrocarbons, methane and non-methane hydrocarbons in the atmosphere
Chromatographic analysis of total hydrocarbons, methane, and non-methane hydrocarbons in the atmosphere.

Stationary phase: polymer pellet
GDX-502, 2m*3mm, 2m*4mm, 2m*1/8, 60-80 mesh
Methane column

Total hydrocarbon column
2m*3mm, 2m*4mm, 2m*1/8, silanized glass microspheres

With the rapid development of China's petroleum industry and the increasing number of automobiles, the pollution of hydrocarbons in the atmosphere is more serious. It produces "photochemical smog" with nitrogen oxides under the ultraviolet radiation of sunlight. Long-term studies abroad have proved that hydrocarbons are formed. The important source of "photochemical smog". To study the pollution law of "photochemical smog", it is necessary to first understand the pollution of hydrocarbons in the atmosphere. At present, there are not many methods for analyzing total hydrocarbons. Combustion method, infrared method, chromatography, etc. Chromatography has the advantages of high sensitivity and high speed for analyzing hydrocarbons. Most of them use CH_4 as the standard gas to measure the total hydrocarbon concentration.

Tengzhou Haohao Chromatography Instrument Technology Service Co., Ltd. introduced several methods commonly used in the determination of total hydrocarbons in the ambient atmosphere by chromatography, and analyzed their characteristics, strengths and scope of application. According to the characteristics and limitations of the method, it is proposed to determine the sampling method and analysis procedure with better effect according to the nature of the analysis object, the site environment and the actual conditions.

Chromatographic analysis of total hydrocarbons, methane and non-methane hydrocarbons in the atmosphere

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