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A Simple Audio Conductivity Device

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Gregory Berenato and David F. Maynard

Department of Chemistry, California State University, San Bernadino, CA 92407

J. Chem. Educ., 1997, 74 (4), p 415

DOI: 10.1021/ed074p415

Publication Date (Web): April 1, 1997

Section:

History, Education, and Documentation

Abstract

Many instruments either lack the sensitivity needed to measure small differences in conductivity or require expensive meters. To solve these problems, the authors have built a simple audio conductivity device that is very sensitive to current flow.

Keywords (Audience):

High School / Introductory Chemistry

Keywords (Subject):

Laboratory Equipment / Apparatus

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