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lufuguang銀蟲 (正式寫手)
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[求助]
求助,關于物理吸附、化學吸附與焓的關系,下面是審稿人給的意見,不知道怎么回答了
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| As the kinetic data are fitted well by pseudo-second-order model, it can be said the adsorption mechanism is due to chemisorption. However the value of enthalpy (ΔH) (table 3,ΔH=-2.3KJ.mol-1) indicates that it is due to physisorption? Would the author please explain it? |
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看到了這樣一句話“***follows the pseudo-second-order kinetic model, 【which relies on the assumption that chemisorption may be the rate-limiting step】” 所以,符合pseudo-second-order kinetic model就一定是化學吸附么?(我也不知道確切答案)。至于pseudo-second-order kinetic model,請參考《Pseudo-second order model for sorption processes》,可以從這篇文章中找具體的答案,看有沒有這樣一個定論:符合pseudo-second-order kinetic model就一定是化學吸附。 此外,吸附這東西,化學吸附和物理吸附大多數(shù)時候都是同時存在滴。 愚見,僅供參考! |

鐵桿木蟲 (正式寫手)
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