GDX-502 气体自动进样器测定气体中非甲烷总烃

固定相：高分子小球

GDX-502，2m*3mm，2m*4mm，2m*1/8，60-80目

甲烷柱

总烃柱

2m*3mm，2m*4mm，2m*1/8，硅烷化玻璃微球

非甲烷总烃测定多采用针筒或气袋采集样品、手工进样的方式测试非甲烷总烃。该操作过程较频繁、耗时长，且人为造成的误差也较大。

滕州市浩瀚色谱仪器技术服务有限公司，采用自动进样和气体分流技术,双柱双FID检测器气相色谱法测定气体中的非甲烷总烃,实现了非甲烷总烃的连续自动分析,同时一次进样即可得到甲烷和总烃的数据。方法的检出限为0.05 mg/m3,测定的相对标准偏差在0.7%~1.8%内,非甲烷总烃的加标回收率为96.0%~98.5%。与传统手动进样法相比,本方法具有重复性好、操作简单、省时等优点,可大大提高气体中非甲烷总烃的分析效率和准确度。


气体自动进样器测定气体中非甲烷总烃 图片：


Determination of non-methane total hydrocarbons in gases by gas autosampler
Gas autosampler for the determination of non-methane total hydrocarbons in gases Details:

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

Total hydrocarbon column
2m*3mm, 2m*4mm, 2m*1/8, silanized glass microspheres

For the determination of non-methane total hydrocarbons, samples of syringes or air bags are used to collect samples, and non-methane total hydrocarbons are tested by manual injection. This operation process is frequent, time consuming, and human error is also large.

Tengzhou Haohao Chromatography Instrument Technology Service Co., Ltd. uses automatic injection and gas splitting technology, two-column dual FID detector gas chromatography to determine non-methane total hydrocarbons in gas, and achieves continuous automatic analysis of non-methane total hydrocarbons. The injection can be used to obtain data on methane and total hydrocarbons. The detection limit of the method was 0.05 mg/m3, and the relative standard deviation of the method was 0.7%~1.8%. The recoveries of non-methane total hydrocarbons were 96.0%~98.5%. Compared with the traditional manual injection method, the method has the advantages of good repeatability, simple operation, time-saving and high efficiency, and can greatly improve the analysis efficiency and accuracy of non-methane total hydrocarbons in the gas.


Determination of non-methane total hydrocarbons in gases by a gas autosampler