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Abstract
The adsorption kinetics of PABA molecules on silver surface and the influnce of chloride ions to it are discussed in detail. It is found that the adsorption of PABA on the silver surfaces is heterogeneous. The adsorption rate constant is affected by the difference of surface states greatly, but the heterogeneity parameter is in less degree. The adsorption heterogneity of PABA is changed by the competitive adsorption of chloride ions. PABA molecules with the of concentration of chloride ions. have turned homogeneous adsorption gradually from heterogeneous adsorption. The adsorption energy of PABA on silver surface is reckoned by the isotherms . It is further proved that the heteroge -neity of chemical adsorption means the adsorption state on the surface is not only one.
Authors and contacts
FU SHI-YOU¹,

WANG MING-JI¹,

LIU YE-HOU¹,

ZHANG PENG-XIANG²
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Cited By

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Vol. 45, Issue 5 - 1996-03-05

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