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Risk assessment guidance for propanal, butanal and benzaldehyde.
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Using a number of aldehydes safely in practical work. Includes ethanal (acetaldehyde), ethanal tetramer (metaldehyde),  propanal (proprionaldehyde) and butanal (butyraldehyde).
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In this activity, a primary alcohol (ethanol) is oxidised to an aldehyde (ethanal) using an acidified dichromate(VI) solution. After collection by distillation, the organic product can be tested to co.. more
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Although both aldehydes and ketones contain the carbonyl functional group (-C=O), only aldehydes give a positive test (formation of an orange to brick-red precipitate of copper(I) oxide) with Fehling’.. more
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Although both aldehydes and ketones contain the carbonyl functional group (-C=O), only aldehydes (or reducing sugars) give a positive ‘silver mirror’ test result with Tollen’s reagent. This small-scal.. more
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Promotes the use of microscale (very small scale) practical activities by describing and explaining  equipment and techniques used. Illustrates these with instructions for several common organic chemi.. more
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Includes acetaldehyde and metaldehyde
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Complete index for the Student Safety Sheets
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Directors editorial, Hazcards 2017 update, changes to the Ionising Radiation Regulations, Good Practical Science - the Gatsby Foundation report, dealing with 'Acid' attacks, IRM vs First Aid, more pro.. more
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Technicians really DO matter, chemicals in the wrong container, microbiology update, transition ideas (not being a TV presenter), new labels for gloves, IDA record keeping, fume cupboard testing, Nort.. more
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Showing results 1 to 10 of 17
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