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Article

A Novel W-Tube for Microscale Experiments in Chemistry

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H. O. Gupta

Department of Education in Science and Mathematics, National Council of Educational Research and Training, New Delhi 110016, India

J. Chem. Educ., 2007, 84 (2), p 321

DOI: 10.1021/ed084p321

Publication Date (Web): February 1, 2007

Section:

History, Education, and Documentation

Abstract

There are some experiments in chemistry where there is a need to test for the presence or absence of a certain gas. The experimental setup for these tests requires appreciable quantities of chemicals, time, and specialized apparatus. A simple W-tube is described to perform these tests quickly and economically at the microscale level.

Keywords (Audience):

High School / Introductory Chemistry

Keywords (Domain):

Analytical Chemistry

Keywords (Feature):

Cost-Effective Teacher

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Laboratory Equipment / Apparatus

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Received: August 03, 2009

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A Novel W-Tube for Microscale Experiments in Chemistry

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A Complement Fixing Polysaccharide from Biophytum petersianum Klotzsch, a Medicinal Plant from Mali, West Africa

Chemical Aspects of Local and Regional Anesthesia

Impacts of Shewanella putrefaciens Strain CN-32 Cells and Extracellular Polymeric Substances on the Sorption of As(V) and As(III) on Fe(III)-(Hydr)oxides

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