Citation:
Wang Xin-Ping, Ye Xing-Kai, Wu Yue. Chemical Bonding between Heteropoly Acid and Oxygen-containing Groups on the Surface of Activated Carbon[J]. Acta Physico-Chimica Sinica,
;1995, 11(12): 1105-1109.
doi:
10.3866/PKU.WHXB19951210
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In order to define the force of heteropoly acids on adsorbed activated carbon surface, IR spectra of 12-silicotungstic acid (SiW12) and 12-tungstophosphoric acid(PW12) adsorbed on activated carbon and in oxygen-containing orgainc compound solutions were studied. Based on the IR spectra and UV characteristics of the heteropoly acids in various chemical conditions, the chemical bonding between heteropoly acid and oxygen-containing groups on the surface of activated carbon was suggested.
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Keywords:
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Activated carbon
, - Heteropoly acid,
- Adsorption
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