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An Easy-to-Build Rotational Viscometer with Digital Readout

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Turgay Seckin and Suphi M. Kormaly

Inonu University Faculty of Sciences, Chemistry Department 44069, Malatya, Turkey

J. Chem. Educ., 1996, 73 (2), p 193

DOI: 10.1021/ed073p193

Publication Date (Web): February 1, 1996

Section:

History, Education, and Documentation

Abstract

Low-cost rotational viscometer with digital readout that was well-suited for measuring viscocity was constructed with two dc motors, a rotor, a measuring cup, and milivolt recorder. This rotational viscometer can be used for quick, unsophisticated tests and comparative measurement. The viscometer requires no further calibration once it is set. Calibration with Newtonian substances indicates data in milivolts or in volts.

Keywords (Audience):

Second-Year Undergraduate

Keywords (Domain):

Physical Chemistry

Keywords (Subject):

Laboratory Equipment / Apparatus

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

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  Developments in the physical chemistry laboratory since the publication of the germinal text by Schwenz and Moore (1) are categorized and reviewed. The categories examined include modern instrumentation, current topics in chemistry, integrated ...
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A Low-Cost Experiment on Newtonian and Non-Newtonian Fluids
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Journal of Chemical Education2005 82 (3), 445
- A Low-Cost Experiment on Newtonian and Non-Newtonian Fluids
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  An experiment to study the flow of Newtonian and non-Newtonian fluids is proposed. The method is based on measurement of the drag force on a sphere immersed in a moving fluid. The sphere–fluid relative velocity can be changed to obtain the dependence of ...
  Abstract | Hi-Res PDF | PDF w/ Links