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An alternative oscillating reaction to the Belousov-Zhabotinsky (BZ) and Briggs-Raucher (BR) reactions.
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The blue bottle reaction is a simple demonstration of a redox reaction, with obvious colour changes. It can also be used as an introduction to reaction kinetics, including the role of temperature on r..
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A set of risk assessed instructions for safely demonstrating this exothermic reaction.
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The Landolt method (potassium iodate(V) and sodium metabisulfite) was the first iodine clock reaction described, and can be used for a simple two-reagent investigation.
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Various monitoring techniques can be used to investigate how different factors affect the rates of reactions. The thiosulfate-acid ‘disappearing cross’ activity is an example of a clock reaction with ..
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A complete set of risk-assessed instructions for safely demonstrating this exciting chemical reaction.
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Small scale 'disappearing cross' methods for investigating the effect of concentration on the rate of the sodium thiosulfate - acid reaction. Includes use of an alkaline 'stop-bath' to neutralise used..
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The kinetics of a reaction can be investigated by determining how the rate of the reaction varies with the concentration of the reactants. The Harcourt-Essen method is useful as the reaction kinetics ..
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Iodine clock reactions produce iodine, which reacts with starch to give the distinct blue/black colouration. The iodide-persulfate method is one of the simplest clock reactions, involving simple kinet..
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Oscillating reactions provide a fascinating insight into reaction kinetics. They provide unusual observations and a visual hook for discussing rates of reaction and auto-catalysis.
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Showing results 1 to 10 of 472
