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Adsorptions of O 2 , Ar, He, N 2 and Xe on H-Y zeolite at low temperatures were studied by transmission Fourier-transform infrared spectroscopy. For the O 2 adsorption, a weak ν(OO) band was observed at 1550 cm -1 . The formation of a weak hydrogen-bonding of O 2 and Ar with the bridging OH-groups in the supercage was observed, while these molecules did...
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