当非甲烷总烃的废气样品中组分复杂时,选用1m的总烃柱和3m的甲烷柱,可改善总烃柱上总烃峰型分叉、拖尾等现象,升高柱温后,甲烷柱上氧峰和甲烷峰能够分离;采样容器选用气袋更佳,每批气袋使用前必须做好验收,以保证气袋本底对样品无明显影响;保证总烃柱彻底硅烷化、进样阀不受污染,净化载气,尽可能地减少对试验结果的干扰,保证非甲烷总烃结果的准确可靠。
浩瀚色谱研制的PQ甲烷柱：氧和甲烷分离良好，柱效高，峰型对称
名称：PQ甲烷柱
规格：1.5m*1/8
*高温度：250°C
编号：20240314001
应用：安捷伦6890,7890,7820,8860,8890
1.固定污染源废气总烃，甲烷，非甲烷总烃测定
2.环境空气中总烃，甲烷，非甲烷总烃的测定 气相色谱法
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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