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Guidance on preparing, labelling and storing Sodium thiosulfate
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Risk assessment guidance for Sodium and potassium salts (1)
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Using these sodium salts safely in practical work, Includes metabisulfite and the equivalent  potassium salts. Sodium sulfite is also known as sodium sulfate(IV), sodium hydrogensulfite  as sodium hyd.. more
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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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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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Guidance on the preparation (and use) of a number of standard solutions required for some titration activities. Solutions described include: sodium carbonate (for standardising strong acid solutions),.. more
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Brief risk assessment guidance and experimental notes for a range of practical activities involving iodine and iodine solutions (Hazcard 54).
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Thiosulfate acid reaction - rate and temperature
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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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Precautions needed in practical work involving bromine, liquid and gas, and bromine water.
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