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We present the new 14 C extraction line at ETH Zürich. This system is designed to extract in situ-produced cosmogenic 14 C from terrestrial quartz samples, and to obtain pure CO 2 gas for analysis with a gas ion source Accelerator Mass Spectrometry (AMS) system. Samples are degassed at 1550–1600°C without the use of a fluxing agent. Gas purification is achieved by a series...
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