Page 18 - Solution SystemGC for Hydrocarbon

Complete Extended Re nery Gas Analyzer

Nexis GC-2030CERGA1

Analyzer Description Typical Chromatogram

System Configuration:
・ 5 valves / 9 columns (packed and
capillary) / 2 TCDs / 2 FIDs
・ Dual GC Ovens
Sample Information:
・ Re ned gas or similar gaseous mixture
Compounds Analysed:
・ C3 to C14 hydrocarbons
・ He, H 2, O 2, N 2, CO, CO 2, C 2H 6, C 2H 4,
C 2H 2, H 2S
Typical Concentration Range:
・ 0.01 % mol for permanent gases
and C2 hydrocarbons on TCD, except
for H 2S, 0.1 % for H 2S
・ 0.001 % for C3 to C14 hydrocarbons
Reference Method:
・ ASTM D-1946, D-1945, D-3588,

GPA-2286

Re nery Gas

Features

・ Multi sample-type injectors -
Vaporizer/ Liquid sampling valve/ Gas
sample injection
・ Dual TCD channels
・ Dedicated channel for Hydrogen and
Helium
・ FID for C3 to C6+ hydrocarbons
・ 2nd FID for C6 to C14 hydrocarbons
in 2nd GC oven
・ Rugged packed and capillary columns
・ Dedicated software for switching
analytical ow and sample injection
for easy-to-use

18