GDX-502 甲烷柱应用之环境空气测定

甲烷柱应用之环境空气测定，液化石油气，二甲醚，甲缩醛，乙缩醛，乙醇，室内空气，焦炉煤气，炼厂气，天然气，变压器油，多氯联苯，植物油，6号溶剂残留，裂解进样器，消毒剂，乙酸

甲烷柱应用之环境空气测定
甲烷柱应用之环境空气测定 详细信息：

名称：甲烷柱
固定相：高分子小球
规格：3m*1/8
粒度：60-80目
型号：GDX-502
应用：环境空气/固定污染源废气，总烃，甲烷及非甲烷总烃测定 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PM2.5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。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。

此柱柱效高，分离好，氧与甲烷完全分离，无干扰。

甲烷柱应用之环境空气测定 测试谱图及图片：



Ambient air measurement for methane column application
Ambient air measurement for methane column application Details:

Name: Methane Column
Stationary phase: polymer pellets
Specification: 3m*1/8
Particle size: 60-80 mesh
Model: GDX-502
Application: Determination of ambient air/stationary pollution source exhaust gas, total hydrocarbon, methane and non-methane total hydrocarbon 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. VOCs in the atmosphere are the most important precursors for ozone generation, and they can also affect PM2.5. 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. Combined with the actual situation of environmental monitoring and analysis work, the sample collection, sampling method, and sample chromatographic column of non-methane total hydrocarbons are discussed. The results show that: compared with syringe sampling, the air bag has good air tightness and chemical inertness, and the sample storage time is long ; Adopting one injection, dual chromatographic column GDX502/104, glass microspheres to separate samples at the same time, dual FID simultaneous detection, saving time, avoiding errors, faster and more accurate.

This column has high efficiency, good separation, and complete separation of oxygen and methane without interference.

Ambient air measurement test spectrum and pictures for methane column application: