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Guidance for the preparation of carbon dioxide gas.
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A variety of simple demonstrations is performed using ‘dry ice’ (solid carbon dioxide).
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Risk assessment guidance for carbon dioxide (solid and gas)
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Detailed, illustrated instructions for this practical activity, including how to make the simple manometer required.
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Testing for common gases is included in most chemistry courses. In this procedure students make their own sample of carbon dioxide gas to collect and test.
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Advice on how to have your carbon dioxide cylinder refilled  and a short list of companies known to provide this service.
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Testing for positive ions: reactions with hydroxides and ammonia. This microscale practical is carried out on a worksheet that is laminated or placed in a plastic wallet. The method minimises the use .. more
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Common anions are tested on a plastic covered worksheet, for quick easy disposal. Using solutions with minimum concentrations allows closer observations and initiates talking points. Students can phot.. more
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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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Guidance outlining the different types of indicator used for making agar cubes for diffusion. It covers how to prepare, use and store the agar. 
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