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固定污染源廢氣中非甲烷總烴檢測
固定污染源廢氣中非甲烷總烴檢測 詳細信息：

名稱：總烴毛細管柱

規格：30m*0.53mm

型號：HH-THC-30

應用：

HJ 604-2017環境空氣 總烴、甲烷和非甲烷總烴的測定 直接進樣-氣相色譜法

HJ 38-2017固定污染源廢氣 總烴、甲烷和非甲烷總烴的測定 氣相色譜法

揮發性有機化合物(VOCs)作為影響環境的有機廢氣污染物.研究表明工業固定污染源的VOCs的排放量占到人為源排放總量的1/5,其中非甲烷總烴(NMHC)作為一類可以代表揮發性有機物含量的物質統稱,非甲烷總烴的檢測變得十分重要.

浩瀚色譜（山東）應用技術開發有限公司為準確測量核算排污單位揮發性有機物的排放,VOCs自動監測成為監測的發展趨勢。通過對VOCs自動監測儀非甲烷總烴進行了儀器性能(精密度和線性誤差)和實際樣品比對測試分析。利用低、中、高濃度標準氣體對某排污單位無組織廠界基于GC-FID分析方法的VOCs自動監測儀非甲烷總烴的精密度和線性誤差進行分析測試,結果表明:自動監測儀非甲烷總烴的重復性能控制在5%以內,線性誤差能控制在±10%以內。分別采用玻璃注射器和PVF采樣氣袋與自動監測儀同時采集樣品進行比對測試,自動監測儀與玻璃注射器采樣測試結果誤差在±0.5 mg/m~3以內,氣袋采樣測試結果部分樣品誤差略超出±0.5 mg/m~3。玻璃注射器本底低于氣袋,測試結果優于氣袋采樣結果。

固定污染源廢氣中非甲烷總烴檢測 測試譜圖：



Detection of non-methane total hydrocarbons in waste gas from stationary sources
Detection of non-methane total hydrocarbons in waste gas from stationary pollution sources Details:

Name: Total Hydrocarbon Capillary Column

Specification: 30m*0.53mm

Model: HH-THC-30

application:

HJ 604-2017 Ambient air Determination of total hydrocarbons, methane and non-methane total hydrocarbons Direct sampling-gas chromatography

HJ 38-2017 Determination of Total Hydrocarbons, Methane and Non-Methane Total Hydrocarbons in Waste Gas from Stationary Pollution Sources Gas Chromatography

Volatile organic compounds (VOCs) are organic waste gas pollutants that affect the environment. Studies have shown that the emissions of VOCs from industrial fixed pollution sources account for 1/5 of the total emissions from anthropogenic sources, of which non-methane total hydrocarbons (NMHC) can be used as a category. The general term for substances representing the content of volatile organic compounds, and the detection of non-methane total hydrocarbons has become very important.

Haohan Chromatography (Shandong) Applied Technology Development Co., Ltd. In order to accurately measure and calculate the emission of volatile organic compounds in pollutant discharge units, automatic VOCs monitoring has become the development trend of monitoring. The performance (precision and linearity error) of the VOCs automatic monitor non-methane total hydrocarbons was compared and analyzed with actual samples. Using low, medium, and high concentration standard gases to analyze and test the precision and linearity of the non-methane total hydrocarbons of the VOCs automatic monitor based on the GC-FID analysis method in the unorganized factory boundary of a certain sewage unit, the results show that the automatic monitor is non-methane The repeatability of the total hydrocarbon is controlled within 5%, and the linear error can be controlled within ±10%. The glass syringe and PVF sampling air bag were used to collect samples at the same time as the automatic monitor for comparison and test. The absolute error of the automatic monitor and glass syringe sampling test results was within ±0.5 mg/m~3, and the air bag sampling test results were absolute for some samples. The error slightly exceeds ±0.5 mg/m~3. The background of the glass syringe is lower than the air bag, and the test result is better than the air bag sampling result.

Test spectrum of non-methane total hydrocarbons in exhaust gas from stationary pollution sources:

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