Applications

Analyzer Description

Configuration:

4-valves, 5-column (packed and capillary), TCD / FID

Sample type:

Natural gas, other refinery gases

Components separated:

TCD: Isobutane, n-butane, isopentane, n-pentane, carbon dioxide, ethane, hydrogen sulfide, n-propane, argon/oxygen composite, nitrogen, methane, carbon dioxide

FID: C₄ through C₁₂ n-paraffins, benzene, toluene, ethyl benzene, xylenes

Lower detection limits:

TCD: 100 ppm for all components and 200 ppm for carbon monoxide

FID: 1 ppm for all components

Methods met:

ASTM D1945, GPA 2186, GPA 2286, Wasson-ECE 326

Typical Chromatogram

Key Features and Benefits

• Can use liquid and/or gas sampling valves
• If liquid valves are used, the air peak is a composite peak
• BTU calculation software available

Natural Gas Literature (PDF)