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Carbon disulfide measurement in marine waters using oxygen-doped electron capture detection with purge-trap
1Department of Oceanography, Dalhousie University, Halifax, Nova Scotia, Canada B3H 4J1.
Abstract:
An oxygen-doped GC/ECD system has been found to be highly sensitive to carbon disulfide (CS(2)). The detector shows a linear response up to at least 13 pmol of CS(2) injected and has a detection limit of 30 fmol. By combining the oxygen-doped GC/ECD with a purge-trap system, CS(2) in seawater can be readily separated and determined. A comparison is provided between an oxygen-doped ECD and a nondoped ECD.
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