| http://www.w3.org/ns/prov#value | - The present invention relates in one aspect to a scavenger composition useful for purifying process gas streams comprising hydrogen, nitrogen, noble gases (helium, neon, argon, krypton, and xenon), and hydride gases (tabulated below), or mixtures thereof, to remove oxidants and Lewis acid impurities, particularly water and oxygen, therefrom, such scavenger comprising:
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