Greenhouse Gas Analysis

Gas Chromatograph System

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AOC-6000 Plus GC-2030

Greenhouse gases are those that are found in the atmosphere that induce the greenhouse effect, which is an absorbance and emission of infrared energy emitted by the Earth. As sunlight strikes the surface of the Earth, some of the infrared light is reflected into the atmosphere. These greenhouse gases absorb that infrared energy and reflect it toward the Earth. This gas chromatograph system enables the easy qualitative and quantitative analysis of three major greenhouse gases: methane(CH4), carbon dioxide(CO2), and nitrous oxide(N2O).​

 

Green House Gas Analyzer Lineup

Model Name Conventional GHC system NARO x Shimadzu System1 Jetanizer-FID & ECD System
Features

・Conventional GHG analysis​
・Packed column ＆ Two detectors​

・High throughput analysis​
・Packed column ＆ Three detectors

・High throughput analysis
​・Two capillary columns & Two detectors
Selection Guide

・Small number of samples​
・Good repeatability​
・Good sensitivity of N2O

・Large number of samples​
・Good repeatability​
・Good sensitivity of CH4 & N2O​

・Large number of samples​
・Wide dynamic range of CO2​
・Good sensitivity of CO2
GC model GC-2014 GC-2014​ GC-2030
Analysis time / GC cycle time

12/14 min​
(Isothermal)

 7/9 min​
(Isothermal)		 3/5 min​
(Isothermal)
Area repeatability 0.5%RSD​ 0.5%RSD​ 1%RSD​
Detector

Methanizer FID​
ECD

FID​
TCD​
ECD​

Jetanizer FID​
ECD​
LOD

CH4: 1ppm ​

CO2: 1ppm ​

N2O: 0.05ppm​

CH4: 0.1ppm ​

CO2: 100ppm ​

N2O: 0.05ppm​

CH4: 0.4ppm ​

CO2: 0.4ppm ​

N2O: 0.1ppm​
Column Packed column​ Packed column​ Capillary column​

Notes:  National Agriculture and Food Research Organization. 
             This system was developed in collaboration with Dr. Shigeto Sudo at NARO.
Caution: Available systems vary by region.​

 

SCJ NARO System application: Analysis of greenhouse gases (CO2, CH4, N2O) emitted from rice paddies

Common Items

GC Type Applicated GC/Analyzer
Sampling technique Sampling bag or on-line sampling with gas sampling valve injection
Vial sampling with syringe injection by autosampler
Carrier gas N2
Detector gas

FID; Air、H2、N2 ​
TCD; N2​
ECD; Ar + 5 %CH4

 

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