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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
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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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The kinetics of a reaction can be investigated by determining how the rate of the reaction varies with the concentration of the reactants. The 'disappearing pink' method provides an alternative to iod.. 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.
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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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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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In this terms issue :-From the director: Editorial COVID-19 UpdateCLEAPSS DocumentsUpdate to GL118, Making a GM counter unitCLEAPSS membership renewalsIdeas for knitted modelsAlgal ballsThe CLEAPSS RP.. more
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G14 overs all aspects of designing and creating science facilities, from an an individual lab to a suite of labs with associated prep room and stores. Includes room numbers, sizes, services, furniture.. more
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Extracted and refreshed from section 12 of Handbook, includes a range of traditional dynamics investigations, with instructions and explanations.
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Contains a wealth of information on the various ways of measuring pH, and the advantage and disadvantage os each. Includes all sorts of background theory which will help the reader make the most appro.. more
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