The Use of PTFE Membranes for the Construction of Semimicroscale Gas Reactors

Michael Schallies , Hans-Otto Schnelle and Klaus Kunze
Padagogische Hochschule Heidelberg, Im Neuenheimer Feld 561, 69120 Heidelberg, Germany
J. Chem. Educ., 1996, 73 (6), p A128
DOI: 10.1021/ed073pA128
Publication Date (Web): June 1, 1996
History, Education, and Documentation

Abstract

Small scale gas reactors can be constructed easily by making use of PTFE membranes. The membranes are employed to separate reaction compartments, where gas-evolving reactions take place, from solutions of reagents needed for qualitative or quantitative determinations of the gases. The PTFE membranes allow free flow of gases while they prevent the passage of water. Examples are given for general experimental procedures including gas-evolving biochemical reactions and preparation of harmful gases such as Cl2 or H2S.

Keywords (Audience):

First-Year Undergraduate / General

Keywords (Domain):

Laboratory Instruction

Keywords (Feature):

The Microscale Laboratory

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Gases
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  • Received: August 03, 2009

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