Split/Splitless Gas Chromatography Injection
Bad news. So for trace analysis, splitless injection is used. Again, this is merely a flip of the switch. See below. In this mode all the analyte sample vaporized in the injector goes onto the column. This is called the splitless mode and it’s used for trace because all the analyte mass in a 1 µL injection goes on column, and is not split;
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www.shsu.eduThat lost sample will not go on the column (but to waste) and so is split away, ergo this is a split injection In this example, the split ratio is 1/49 because 49 …
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