作者: Miyazaki Hiroshi , Fujino Akira
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摘要: The present invention provides an adsorbent that is for phosphoric acid-based anionic substances, contains foamed glass, and has a Ca2p concentration of 7.5 atom% or more Na1s 5.0 less at the surface thereof as measured by XPS analysis, half-width Si2p peak 2.4 eV more. also preferably specific area 45 m2/g pore volume 2.5 cm3/g mercury intrusion.