當(dāng)非甲烷總烴的廢氣樣品中組分復(fù)雜時,選用1m的總烴柱和3m的甲烷柱,可改善總烴柱上總烴峰型分叉、拖尾等現(xiàn)象,升高柱溫后,甲烷柱上氧峰和甲烷峰能夠分離;采樣容器選用氣袋更佳,每批氣袋使用前必須做好驗收,以保證氣袋本底對樣品無明顯影響;保證總烴柱徹底硅烷化、進(jìn)樣閥不受污染,凈化載氣,盡可能地減少對試驗結(jié)果的干擾,保證非甲烷總烴結(jié)果的準(zhǔn)確可靠。

浩瀚色譜研制的PQ甲烷柱：氧和甲烷分離良好，柱效高，峰型對稱

名稱：PQ甲烷柱
規(guī)格：1.5m*1/8
*高溫度：250°C
編號：20240314001
應(yīng)用：安捷倫6890,7890,7820,8860,8890
1.固定污染源廢氣總烴，甲烷，非甲烷總烴測定
2.環(huán)境空氣中總烴，甲烷，非甲烷總烴的測定  氣相色譜法

When the components in the exhaust gas sample of non methane total hydrocarbons are complex, selecting a 1m total hydrocarbon column and a 3m methane column can improve the phenomenon of total hydrocarbon peak bifurcation and tailing on the total hydrocarbon column. After raising the column temperature, the oxygen peak and methane peak on the methane column can be separated; It is better to use air bags as sampling containers, and each batch of air bags must be inspected before use to ensure that the background of the air bags has no significant impact on the sample; Ensure that the total hydrocarbon column is completely silanized, the injection valve is not contaminated, the carrier gas is purified, and interference with the test results is minimized as much as possible to ensure the accuracy and reliability of non methane total hydrocarbon results.

The PQ methane column developed by Haohan Chromatography has good separation of oxygen and methane, high column efficiency, and symmetrical peak shapes

Name: PQ Methane Column

Specification: 1.5m * 1/8

*High temperature: 250 ° C

Number: 20240314001

Application: Agilent 68907890782088608890

1. Determination of total hydrocarbons, methane, and non methane total hydrocarbons in exhaust gases from fixed pollution sources

2. Determination of total hydrocarbons, methane, and non methane total hydrocarbons in ambient air by gas chromatography

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