An improved gas chromatography for rapid measurement of CO2, CH4 and N2O

An improved gas chromatography for rapid measurement of CO2, CH4 and N2O

Combining improved injector, gas line and valve-driving modules, a GC equipped with FID and ECD, could simultaneously measure CH4, CO2 and N2O in an air sample within 4 min. Test results showed that the system has high sensitivity, resolution and precision; the linear response range of the system me...

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Veröffentlicht in:Journal of environmental sciences (China) 2006, Vol.18 (1), p.162-169
Hauptverfasser: Wang, Ying-Hong, Wang, Yue-Si, Sun, Yang, Xu, Zhong-Jun, Liu, Guang-Ren
Format: Artikel
Sprache:eng
Schlagworte:
Calibration
Carbon Dioxide - analysis
Chromatography, Gas - methods
Chromatography, Gas - standards
Limit of Detection
Methane - analysis
Nitrogen Oxides - analysis
全球变暖
大气环境
温室气体
生态环境
生态系统
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container_issue 1
container_start_page 162
container_title Journal of environmental sciences (China)
container_volume 18
creator Wang, Ying-Hong
Wang, Yue-Si
Sun, Yang
Xu, Zhong-Jun
Liu, Guang-Ren
description Combining improved injector, gas line and valve-driving modules, a GC equipped with FID and ECD, could simultaneously measure CH4, CO2 and N2O in an air sample within 4 min. Test results showed that the system has high sensitivity, resolution and precision; the linear response range of the system meets the requirement of in situ flux measurements. Thus, the system is suitable for monitoring fluxes of main greenhouse gases in terrestrial ecosystem since it is easy to use, efficacious, stable and reliable to collect data.
doi_str_mv 10.3321/j.issn:1001-0742.2006.01.030
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subjects Calibration
Carbon Dioxide - analysis
Chromatography, Gas - methods
Chromatography, Gas - standards
Limit of Detection
Methane - analysis
Nitrogen Oxides - analysis
全球变暖
大气环境
温室气体
生态环境
生态系统
title An improved gas chromatography for rapid measurement of CO2, CH4 and N2O
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