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固定污染源废气中非甲烷总烃检测
固定污染源废气中非甲烷总烃检测 详细信息：

名称：总烃毛细管柱

规格：30m*0.53mm

型号：HH-THC-30

应用：

HJ 604-2017环境空气 总烃、甲烷和非甲烷总烃的测定 直接进样-气相色谱法

HJ 38-2017固定污染源废气 总烃、甲烷和非甲烷总烃的测定 气相色谱法

挥发性有机化合物(VOCs)作为影响环境的有机废气污染物.研究表明工业固定污染源的VOCs的排放量占到人为源排放总量的1/5,其中非甲烷总烃(NMHC)作为一类可以代表挥发性有机物含量的物质统称,非甲烷总烃的检测变得十分重要.

浩瀚色谱（山东）应用技术开发有限公司为准确测量核算排污单位挥发性有机物的排放,VOCs自动监测成为监测的发展趋势。通过对VOCs自动监测仪非甲烷总烃进行了仪器性能(精密度和线性误差)和实际样品比对测试分析。利用低、中、高浓度标准气体对某排污单位无组织厂界基于GC-FID分析方法的VOCs自动监测仪非甲烷总烃的精密度和线性误差进行分析测试,结果表明:自动监测仪非甲烷总烃的重复性能控制在5%以内,线性误差能控制在±10%以内。分别采用玻璃注射器和PVF采样气袋与自动监测仪同时采集样品进行比对测试,自动监测仪与玻璃注射器采样测试结果误差在±0.5 mg/m~3以内,气袋采样测试结果部分样品误差略超出±0.5 mg/m~3。玻璃注射器本底低于气袋,测试结果优于气袋采样结果。

固定污染源废气中非甲烷总烃检测  测试谱图：



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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