/community-hubs/measurement-instrumentation/b/analytical-weblog/posts/gas-chromatograph-validation-in-natural-gas-custody-transfer-applications-559246177Gas chromatographs (GCs) are used in natural gas custody transfer applications . They provide information on the gas quality and composition—with components such as methane, ethane and heavier hydrocarbons, water vapor, carbon dioxide, nitrogen and hydrogenen-USTelligent Community 13