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单词 adsorption isotherm
释义
adsorption isotherm

Physics
  • An equation that describes how the amount of a substance adsorbed onto a surface depends on its pressure (if a gas) or its concentration (if in a solution), at a constant temperature. Several adsorption isotherms are used in surface chemistry including the BET isotherm and the Langmuir adsorption isotherm. The different isotherms correspond to different assumptions about the surface and the adsorbed molecules.


Chemistry
  • An equation that describes how the amount of a substance adsorbed onto a surface depends on its pressure (if a gas) or its concentration (if in a solution), at a constant temperature. Several adsorption isotherms are used in surface chemistry including the BET isotherm and the Langmuir adsorption isotherm. The different isotherms correspond to different assumptions about the surface and the adsorbed molecules.


Chemical Engineering
  • The relationship between the mass of adsorbate taken up per unit mass of adsorbent at constant pressure, if a gas, or at constant temperature, if in a solution. The BET, Langmuir, Freundlich, and Temkin adsorption isotherm equations are empirical equations used to describe the surface available for adsorption at constant pressure for gases and constant temperature for solutions.


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