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Automatic Titrators in the Analytical and Physical Chemistry Laboratories

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Kathryn R. Williams

University of Florida, Department of Chemistry, P.O. Box 117200, Gainesville, FL 32611-7200

J. Chem. Educ., 1998, 75 (9), p 1133

DOI: 10.1021/ed075p1133

Publication Date (Web): September 1, 1998

Section:

History, Education, and Documentation

Abstract

In 1995 the University of Florida received an NSF-ILI grant to purchase six automatic titrators, which have now been successfully integrated into the analytical and physical chemistry teaching laboratories. After they have mastered fundamental techniques, students in the introductory analytical laboratory gain experience with automated analyses in three experiments: the iodimetric analysis of ascorbic acid, the determination of polymer molecular weight, and the analysis of chloride by ion selective electrode. The titrators are also used in the instrumental analysis laboratory for Karl Fischer titrations and the coulometric analysis of EDTA. A physical chemistry experiment, the kinetics of methyl acetate hydrolysis, has also been modified for use with the titrators Instructor write-ups for all experiments may be obtained via JCE Online.

Keywords (Audience):

First-Year Undergraduate / General

Keywords (Domain):

Laboratory Instruction

Keywords (Subject):

Electrochemistry

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This article has been cited by 1 ACS Journal articles (1 most recent appear below).

The Role of Automated Instrumentation in Undergraduate Chemistry
Suzanne Bell
Journal of Chemical Education2000 77 (12), 1624
- The Role of Automated Instrumentation in Undergraduate Chemistry
  Suzanne Bell
  Journal of Chemical Education2000 77 (12), 1624
  Automated instruments are ubiquitous in government, research, and industrial laboratories. However, undergraduates are rarely afforded the opportunity to work with such systems. Arguments against the use of complex automated systems in undergraduate ...
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