Reducing the noise due to water vapor and carbon dioxide by Sample shuttle, and the combination of Purge and Vacuum and Interval program

Since water vapor and carbon dioxide in the atmosphere have absorption in the infrared region, they happen to interrupt the analysis and detection of weak peak. The reduction method of these noise is as explained above but the most important point is to keep the concentration of vapor and CO2 at the same level when measuring a background and sample, not just conducting a measurement without an attention to the point. Here, Jasco introduces a couple measurement tips of Shuttle measurement and Purge and evacuation.