Natural Gas Analysis (NGA)

Separation Systems natural gas analyzer (NGA) is designed and optimized for the analysis natural gas, liquefied natural gas, natural gas liquids or comparable sample types and fully compliant with all standard test methods including: GPA 2261, 2165, 2186, 2286; ASTM D-1946, D 2163, D-2597. The system is configured to analyze O2, N2, CH4, CO2, H2S and hydrocarbons up to C20 (in extended mode) and can analyze gas or liquid samples from ambient pressure up to 1100 psi.

The system utilizes the Agilent 7890B GC and includes automated valves, micro packed and capillary columns, TCD, FID, data acquisition system along with our Natural Gas Expert™ software to perform all of the physical property calculations and a produce report.

Run to run reproducibility is always important but especially so for natural gas analysis because of the criticality of knowing its calorific value with a high degree of certainty. Standard deviations in the range of 0.03 – 0.36% are typical as shown below.