GDX-502甲烷填充柱 改进非甲烷总烃测定方法

名称：甲烷柱

固定相：高分子小球

粒度：60-80目，80-100目

规格：5m*3mm

型号：GDX-502

应用：固定污染源废气及环境空气中甲烷，总烃，非甲烷总烃的测定  气相色谱法


非甲烷总烃测定是环境监测中的一项重要内容,通常采用气相色谱法完成,总烃和甲烷含量的差值便是非甲烷总烃具体含量。

滕州市浩瀚色谱仪器技术服务有限公司，采用5m的GDX-502填充柱通过设计实验并分析可知,总烃峰型异常与烃的衍生物和色谱柱类型有关,在改进时,氧峰干扰可用除烃空气消除,差值结果便代表非甲烷总烃含量,检出限测定应按EPA SW-846标准进行,而zui采样容器为PVF气袋,即可测定结果的精准性。

柱效高，完全克服了O2的干扰，峰型对称，结果准确。
浩瀚色谱，提供种类齐全的色谱柱


改进非甲烷总烃测定方法 测试谱图：




Improved non-methane total hydrocarbon determination method
Improve the determination method of non-methane total hydrocarbons Details:

Name: Methane Column

Stationary phase: polymer pellets

Particle size: 60-80 mesh, 80-100 mesh

Specification: 5m*3mm

Model: GDX-502

Application: Determination of methane, total hydrocarbons and non-methane total hydrocarbons in stationary source waste gas and ambient air gas chromatography


The determination of non-methane total hydrocarbons is an important part of environmental monitoring, which is usually completed by gas chromatography. The difference between total hydrocarbon and methane content is the specific content of non-methane total hydrocarbons.
Tengzhou Haohan Chromatography Instrument Technology Service Co., Ltd. uses a 5m GDX-502 packed column. Through design experiments and analysis, it can be seen that the abnormal peak shape of total hydrocarbon is related to the derivative of hydrocarbon and the type of chromatographic column. When improving, oxygen peak interference can be eliminated. Hydrocarbon air is eliminated, and the difference result represents the total non-methane hydrocarbon content. The detection limit should be determined according to the EPA SW-846 standard, and the best sampling container is a PVF air bag to ensure the accuracy of the measurement results.

The column efficiency is high, the interference of O2 is completely overcome, the peak shape is symmetrical, and the result is accurate and reliable.
Haohan Chromatography provides a complete range of chromatographic columns


Improved non-methane total hydrocarbon determination method Test spectrum: