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A method for separation and isotope ratio measurement of xenon in atmosphere was studied.In order to measure of the Xe isotope ratios in atmosphere,activated carbon was used to absorb Xe at low temperature.Then molecular sieve was used for separation and purification.The concentrated Xe samples were used for accurate isotopic measurement by gas mass spectrom-
A method for separation and isotope ratio measurement of xenon in atmosphere was studied. In order to measure the Xe isotope ratios in atmosphere, activated carbon was used to absorb Xe at low temperature. Chen molecular sieve was used for separation and purification.The concentrated Xe samples were used for accurate isotopic measurement by gas mass spectrom-