A Computer-Controlled Bipolar Pulse Conductivity Apparatus

N. Papadopoulos and M. Limniou
Department of Chemistry, Aristotle University, 54006 Thessaloniki, Greece
J. Chem. Educ., 2001, 78 (2), p 245
DOI: 10.1021/ed078p245
Publication Date (Web): February 1, 2001
History, Education, and Documentation

Abstract

A laboratory apparatus for ion conductivity measurements is described. This apparatus is controlled by a personal computer. We use commercial interface A/D D/A cards with very satisfactory results. The accuracy of this instrument is 0.5 percent. It is simple and inexpensive enough for use in the undergraduate laboratory. In addition, the use of computer-interfaced instruments gives the students the feeling of modern instrumentation.

Keywords (Audience):

Second-Year Undergraduate

Keywords (Domain):

Analytical Chemistry

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Conductivity
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  • Received: August 03, 2009

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