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The Chemical Educator

ISSN: 1430-4171 (electronic version)

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Abstract Volume 5 Issue 4 (2000) pp 193-195

A Simple Home-built Gas Liquefaction Cell

Vladimir M. Petrusevski* and Metodija Z. Najdoski

Institut za hemija, Prirodno-Matematicki fakultet, Univerzitet "Sv. Kiril i Metodij", Arhimedova 5, 91000 Skopje, Macedonia

Published online: 1 August 2000

Abstract. Liquefaction of gases offers deeper insight into the properties of various substances that are gaseous under normal conditions; however, the boiling temperatures of a number of gases are very low, preventing their liquefaction by means of standard laboratory techniques. A simple gas-liquefaction cell (designed by the authors) that can operate down to liquid-nitrogen temperature (77 K) is described in this paper. The properties of several liquefied (condensed) gases (e.g., ammonia, chlorine, nitric oxide, oxygen, and ozonized oxygen) are studied using this cell. The cell is also suitable for demonstration experiments.

Key Words: Laboratories and Demonstrations; physical chemistry

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Issue date: August 1, 2000

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