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Ghost Peaks in Gas Chromatography Part 2: The Injection PortIn the last issue, we discussed possible sources of ghost peaks related to the carrier gas and gas lines. Here, we move into the injection port itself, as it is a big source of trouble. The injection of the sample is responsible for >80% of the troubles that are experienced in gas chromatography. In the process of rapid evaporation of the sample, several things can go wrong.
Content previously published on www.sepscience.com.