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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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Brief risk assessment guidance and experimental notes for a range of practical activities involving hydrogen peroxide solutions (Hazcard 50).
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Iodine clock reaction Harcourt Essen method
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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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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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Useful addresses, chemical hazard and storage data and a list of acronyms used throughout the guide and elsewhere on the CLEAPSS website.
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