|Author||Muralidharan, B. ♦ Alwarappan, S. ♦ Vasudevan, T. ♦ Iyer, S. V.|
|Source||CSIR-Central Electrochemical Research Institute|
|Subject Domain (in DDC)||Natural sciences & mathematics ♦ Chemistry & allied sciences ♦ Technology ♦ Engineering & allied operations ♦ Applied physics|
|Subject Keyword||Electrodics and Electrocatalysis|
|Abstract||ElectrocapiJlary curves for 1 M solutions of NaCl, aNO) and . a2S04 in the presence of different concentrations of C.I. Direct Brown 2 show that the organic compound adsorbs on the positively cbarged mercury surface. The extent of adsorption from these base electrolytes follows the order Na2S04 NaNO) NaC!. Thermodynamic parameters like-eharge on the metal surface (qil'\ the surface excess of organic molecule adsorbed (rorg)' surface coverage (8) and free energy of adsorption (-tJ.Go) are evaluated. The adsorption of this compound is found to obey Langmuir's adsorption isotherm in all the cases, irrespective of the nature of the base electrolyte used.|
|Education Level||UG and PG|
|Learning Resource Type||Article|
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