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Background A compact 14C AMS system extended for 10Be and 26Al (XCAMS) was installed at Tianjin University in October 2017. As an initial testing result, a detection limit of 4.4 × 10−16 for 14C/12C, 3.8 × 10−15 for 10Be/9Be and 6.9 × 10−15 for 26Al/27Al was achieved, respectively. Method The system was gradually smoothed and optimized based on a series of standard, blank and real samples measurement...
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