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Generation behaviors at normal pressures and reactions of the oxygen radical anion (O- ion) have been studied. Highly concentrated O- ions which are encaged by a microporous crystal 12CaO · 7Al2O3 (C12A7) are emitted in the atmosphere with N2 gas at 975K or more and the emission speed is up to 1.7*10-7 mol/(s*m2). Emitted O- ions are easy to dissolve ion-exchanged water and it can make acidic water...
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