DESIGNED FOR TEACHING

DESIGNED FOR TEACHING The use of the glass syringe as an instrument in school chemistry for the measuring of gases was first developed by Dr Schmit in Hamburg as long ago as 1931. Its use has spread very slowly through Europe and the author himself only came across the syringe during a tour of Europe in 1963, sponsored by the Nuffield Foundation. The 100ml glass syringe consists essentially of a precision ground barrel and a plunger which is so well made that it is gastight at atmospheric pressure even without the use of a lubricant. With a light grease, such as Vaseline, the syringe is gastight even under comparatively heavy pressures. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Education + Training Emerald Publishing

DESIGNED FOR TEACHING

Education + Training, Volume 7 (6): 2 – Jun 1, 1965

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0040-0912
DOI
10.1108/eb015585
Publisher site
See Article on Publisher Site

Abstract

The use of the glass syringe as an instrument in school chemistry for the measuring of gases was first developed by Dr Schmit in Hamburg as long ago as 1931. Its use has spread very slowly through Europe and the author himself only came across the syringe during a tour of Europe in 1963, sponsored by the Nuffield Foundation. The 100ml glass syringe consists essentially of a precision ground barrel and a plunger which is so well made that it is gastight at atmospheric pressure even without the use of a lubricant. With a light grease, such as Vaseline, the syringe is gastight even under comparatively heavy pressures.

Journal

Education + TrainingEmerald Publishing

Published: Jun 1, 1965

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