Split/Splitless Gas Chromatography Injection
split injection. If the concentration of an analyte is high, say, 25 µg analyte/ µL—pretty high for capillary columns and 1 µL is injected, the analyst—that’s you—chooses the split injection mode and opens the split valve before the 1 µL injection is made. (With autosamplers and multiple samples this would be programmed into the ...
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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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