Adsorption isotherms

Article no. P3040801 | Type: Experiments

10 Minutes
20 Minutes
University
Teachers/Professors , Students
heavy



Principle

In general, the term adsorption is used to describe the attachment of gases or dissolved substances to the surface of a solid or liquid. At constant temperature, the quantity of adsorbed substances is a function of the type of system investigated and the partial pressure and / or concentration of the substance concerned. The correlation is described by a number of adsorption isotherms. The rivalidity is to be investigated experimentally.

Benefits

  • High quality glassware for good results
  • Stable and safe construction due to solid stand material

Tasks

  1. Determine the residual equilibrium concentrations of citric acid of differing initial concentrations.
  2. Determine which of the adsorption isotherms is valid for the given system.

Learning objectives

  • Adsorbent and adsorbate
  • Henry Freundlich and Langmuir adsorption isotherms
  • Volumetry

Necessary accessories

  • Precision balance 620g/0.001g

 

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Article no. 36589-00
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(en) Experiment guide
p3040801e .pdf
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