GDX-502甲烷柱 非甲烷总烃监测分析

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非甲烷总烃监测分析
非甲烷总烃监测分析 详细信息：

甲烷柱

固定相：高聚物
规格2m*3mm，2m*4mm，2m*1/8
粒度：60-80目
型号：GDX-104，GDX-502

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

2015年《中国环境状况公报》显示,大部分城市臭氧作为首要污染物的天数有增加趋势。而大气中的VOCs是产生臭氧重要的前体物,同时也能对PM_(2.5)产生影响,成为监测和控制的重点,被纳入总量控制体系。上海、广州、西安等地方已采用非甲烷总烃作为VOCs的评价指标。

浩瀚色谱（山东）应用技术开发有限公司结合环境监测分析工作的实际情况,探讨了非甲烷总烃的样品采集、进样方式、样品色谱柱,结果表明:与注射器采样相比,气袋气密性和化学惰性好,保存样品时间长;采用一次进样,双色谱柱GDX502/104、玻璃微球同时分离样品,双FID同时检测,节约时间,避免误差,更加快速、准确。

非甲烷总烃监测分析  测试谱图：

  



Non-methane total hydrocarbon monitoring and analysis
Non-methane total hydrocarbon monitoring and analysis Details:

Methane column
Stationary phase: polymer
Specification 2m*3mm, 2m*4mm, 2m*1/8
Granularity: 60-80 mesh
Model: GDX-104, GDX-502

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

According to the 2015 China Environmental Bulletin, the number of days when ozone is the primary pollutant in most cities has an increasing trend. The VOCs in the atmosphere are the most important precursors for ozone generation, and they can also affect PM_(2.5). They have become the focus of monitoring and control and are included in the total amount control system. Shanghai, Guangzhou, Xi'an and other places have adopted non-methane total hydrocarbons as the evaluation index of VOCs.

Haohan Chromatography (Shandong) Applied Technology Development Co., Ltd., combined with the actual situation of environmental monitoring and analysis work, discussed the sample collection, sampling method, and sample chromatographic column of non-methane total hydrocarbons. The results showed that: compared with syringe sampling, the air bag is airtight It has good performance and chemical inertness, and it can save samples for a long time. It adopts one injection, two chromatographic columns GDX502/104, glass microspheres to separate samples at the same time, and double FID detection at the same time, which saves time, avoids errors, and is faster and more accurate.

Non-methane total hydrocarbon monitoring and analysis test spectrum: 
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