GDX-502甲烷柱及总烃柱 环境大气非甲烷总烃测定

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环境大气非甲烷总烃测定
环境大气非甲烷总烃测定 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

总烃柱：

固定相：硅烷化玻璃微球

粒度：80-60目
规格：2m*4mm，2m*3mm，2m*1/8（安捷伦，岛津）
型号：HH-NMHC-2

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


浩瀚色谱（山东）应用技术开发有限公司用气相色谱仪火焰离子化检测器分别测定空气中总烃及甲烷的含量,两者之差即为非甲烷总烃的含量。非甲烷总烃分析结果偏高的原因有很多方面,主要从标准曲线浓度、采样器皿、保存时间的影响等进行分析,找出主要影响原因,以确保环境大气中非甲烷总烃的含量真实准确。



环境大气非甲烷总烃测定 测试谱图：



Determination of non-methane total hydrocarbons in ambient atmosphere
Determination of non-methane total hydrocarbons in ambient atmosphere Details:

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


Total hydrocarbon column:

Stationary phase: silanized glass microspheres

Particle size: 80-60 mesh
Specifications: 2m*4mm, 2m*3mm, 2m*1/8 (Agilent, Shimadzu)
Model: HH-NMHC-2
Application: HJ 604-2017 Ambient air Determination of total hydrocarbons, methane and non-methane total hydrocarbons Direct injection-gas chromatography


Haohan Chromatography (Shandong) Applied Technology Development Co., Ltd. uses a gas chromatograph flame ionization detector to determine the content of total hydrocarbons and methane in the air. The difference between the two is the content of non-methane total hydrocarbons. There are many reasons for the high analysis results of non-methane total hydrocarbons, mainly from the analysis of the standard curve concentration, sampling vessel, storage time, etc., to find out the main reasons for the impact to ensure that the content of non-methane total hydrocarbons in the ambient atmosphere is true and accurate .



Determination of non-methane total hydrocarbons in ambient atmosphere Test spectrum:

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