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A Practical Integrated Approach to Supramolecular Chemistry. I. Equilibria in Inclusion Phenomena.

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Jesús Hernández-Benito , Samuel González-Mancebo , Emilio Calle , M. Pilar García-Santos and Julio Casado

Universidad de Salamanca, Departamento de Qíimica Física,Facultad de Química, E-37008 Salamanaca, Spain

J. Chem. Educ., 1999, 76 (3), p 419

DOI: 10.1021/ed076p419

Publication Date (Web): March 1, 1999

Section:

History, Education, and Documentation

Abstract

We have designed two integrated experiments to serve as an introduction to the study of inclusion phenomena. The first one allows measurement, by UV-Vis spectrophotometry, of the equilibrium constant of the formation of the inclusion complex of an azo-dye (guest molecule) in an a-cyclodextrin (host molecule). In the second experiment, the kinetics of the formation of the inclusion complex of the guest molecule in the host molecule is studied.

Keywords (Audience):

Upper-Division Undergraduate

Keywords (Domain):

Physical Chemistry

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Dyes / Pigments

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This article has been cited by 2 ACS Journal articles (2 most recent appear below).

Chemical Equilibrium in Supramolecular Systems as Studied by NMR Spectrometry
Gloria Tardajos , Gustavo González-Gaitano
Journal of Chemical Education2004 81 (2), 270
- Chemical Equilibrium in Supramolecular Systems as Studied by NMR Spectrometry
  Gloria Tardajos , Gustavo González-Gaitano
  Journal of Chemical Education2004 81 (2), 270
  This experiment exposes undergraduate students to the field of supramolecular chemistry by means of an inclusion equilibrium between cyclic oligosaccharides (β- or γ-cyclodextrin) and surfactants (sodium octanoate or sodium decanoate) as studied by 1H ...
  Abstract | Hi-Res PDF | PDF w/ Links
A Practical Integrated Approach to Supramolecular Chemistry. II. Kinetics of Inclusion Phenomena
Jesús Hernández-Benito , Samuel González-Mancebo , Emilio Calle , M. Pilar García-Santos and Julio Casado
Journal of Chemical Education1999 76 (3), 422
- A Practical Integrated Approach to Supramolecular Chemistry. II. Kinetics of Inclusion Phenomena
  Jesús Hernández-Benito , Samuel González-Mancebo , Emilio Calle , M. Pilar García-Santos and Julio Casado
  Journal of Chemical Education1999 76 (3), 422
  In a previous paper we proposed an experiment for detecting the inclusion of an azo-dye with a-cyclodextrin and measuring the equilibrium constant of the formation of the corresponding inclusion complex. In this article we study the kinetics of the ...
  Abstract | Hi-Res PDF | PDF w/ Links