Need o0f help for analysis of CO, CO2, H2, CH4, C2H4, C3H6.

Discussions about GC and other "gas phase" separation techniques.

2 posts Page 1 of 1
Hello Everyone.

I seek help regarding choice of column that can help me to analyse carbon monoxide, carbon dioxide, hydrogen, methane, ethene, ethane and propylene in my gas mixture. I want a good lower detection limit of 10 - 20 ppm of these gases. I read carboxen can work out. Please suggest if any specific column can be used.
DGA - the key word, your gases used to be analysed in transfromer oil.

Typically the system consists of two sampling loops which simultaneously inject sample in two packed columns:
* Molesieve connected to TCD for determination of permanent gases (N2, H2, O2) with Ar as carrier. He is unsuitable for big H2 concentration - you get negative H2 peak.
* Hayesep S connected to FID with methanizer (CO and CO2 converted to methane on Ni catalyst) with He or Ar as carrier.

http://www.restek.com/catalog/view/583/19008
2 posts Page 1 of 1

Who is online

In total there is 1 user online :: 0 registered, 0 hidden and 1 guest (based on users active over the past 5 minutes)
Most users ever online was 1117 on Mon Jan 31, 2022 2:50 pm

Users browsing this forum: No registered users and 1 guest

Latest Blog Posts from Separation Science

Separation Science offers free learning from the experts covering methods, applications, webinars, eSeminars, videos, tutorials for users of liquid chromatography, gas chromatography, mass spectrometry, sample preparation and related analytical techniques.

Subscribe to our eNewsletter with daily, weekly or monthly updates: Food & Beverage, Environmental, (Bio)Pharmaceutical, Bioclinical, Liquid Chromatography, Gas Chromatography and Mass Spectrometry.

Liquid Chromatography

Gas Chromatography

Mass Spectrometry