/community-hubs/measurement-instrumentation/b/analytical-weblog/posts/gas-chromatograph-webinar-series-how-to-calibrate-a-gc-correctlyby Khadra Helminski, Global Integrated Marketing Manager, Rosemount Gas Analysis, Emerson Automation Solutions All chromatograph systems provide a comparative measurement where the analysis is a comparison to a known “standard” and the “standard” isen-USTelligent Community 13