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Updated: Jun 25, 2026

Quantitative Analysis by Thermogravimetry-Mass Spectrum Analysis for Reactions with Evolved Gases
Published on: October 29, 2018
A simple method of gas evolution measurement suitable for analysis of batch oscillating reactions: Briggs-Rauscher
1Department of Physical and Theoretical Chemistry, Faculty of Natural Sciences, Comenius University, 842 15 Bratislava, Slovak Republic.
Abstract:
A high-precision batch-mode technique of gasometric measurement, employing weighing of liquid displaced by the gas, is proposed and supported by a detailed protocol for correct evaluation of the experimental data acquired. Results of measuring the gas production in the Briggs-Rauscher reaction with acetone, recorded following the procedures suggested, and precautions to be taken to enhance their reproducibility are discussed, and a previously undetected structure of the gas evolution rate peaks is reported.
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