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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 .. more
words matched: acid, reaction, thiosulfate

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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.. more
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An invaluable practical guide on how to safely undertake a range of visually and intellectually appealing chemical reactions. Includes alternatives to some traditional activities such as the thermit r.. more
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Thiosulfate acid reaction - rate and temperature
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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 .. more
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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. The Briggs-Rauscher.. more
words matched: acid, reaction, thiosulfate

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Risk assessment guidance for nitric(V) acid (HNO3).
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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.. more
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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.
words matched: acid, reaction, thiosulfate

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Risk assessment guidance for Sodium and potassium salts (1)
words matched: acid, reaction, thiosulfate

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