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Easily Built Low-Cost Apparatus To Measure Polymer Conductivity

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Jonas Gruber , Henrique de Santana , Isaac Gruber and Wilson Gazotti Jr.

Instituto de Química-Universidade de São Paulo, Cx.P. 26077 S. Paulo, SP, BRAZIL

J. Chem. Educ., 1997, 74 (4), p 418

DOI: 10.1021/ed074p418

Publication Date (Web): April 1, 1997

Section:

History, Education, and Documentation

Abstract

A low-cost two-point probe apparatus to measure polymer conductivity intended for teaching purposes is described. Full mechanical details of the probe, as well as electronic schematic diagrams are given. Good results have been obtained for conductivities between 10^-1 and 10^-5 S/cm.

Keywords (Audience):

Second-Year Undergraduate

Keywords (Domain):

Polymer Chemistry

Keywords (Subject):

Instrumental Methods

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

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  Journal of Chemical Education2010 87 (11), 1217-1221
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  In this paper we describe the construction of a simple spectrophotometer intended for use as a capstone circuit for an electronics laboratory exercise. Students in the undergraduate laboratory have learned basic circuitry and are now able to read a ...
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