Split/Splitless Gas Chromatography Injection
analyte can be instantly varied before an injection is made. This is called the split ratio and is a function of the ratio of gas flows through the GC’s injector, all controlled by pressure/gas flows in the injector. Wait, wait it’ll get better. In older instruments this was carried out by manual control of gas valves. By in modern GCs this is
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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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