ANALYTICAL CHEMISTRY CHEM 3811  CHAPTER 22 Preloader

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CHAPTER 22GAS AND LIQUIDCHROMATOGRAPHY. GAS CHROMATOGRAPHY. - Mobile phase is a gas- Column is open tubular- Sample is injected through a thin rubber disc (septum)- Sample is vaporized upon entering a heated glass port- A carrier gas (He, N2, H2) carries vaporized sample to a detector- Detector temperature is higher than column temperatureto keep solutes in the gaseous state.

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