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A short overview of the common methods of water purification in school laboratories, include pros and cons. This will be useful for any teacher or technician looking to buy a new water purification sy.. more
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Gives very detailed guidance on what water purification entails, and when pure water is needed in school science. It suggests the advantages and disadvantages of the methods of purification available .. more
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The synthesis and purification of a liquid organic compound is described. Practical techniques include, liquid-liquid separation, washing, drying and distillation. The % yield of the organic product c.. more
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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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In this activity, a primary alcohol (ethanol) is oxidised to a carboxylic acid (ethanoic acid) using an acidified dichromate(VI) solution. Important techniques are involved including heating under ref.. more
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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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Guidance and information on a range of chemicals, chemistry topics and apparatus including handling chemicals, chemical reactions, gas cylinders and syringes, molecular models, plastics, advanced chem.. more
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Covers a range of issues and practicalities associated with gene technology experiments in schools including legal and ethical issues as well as an indepth exploration of health and safety topics.
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Risk assessment guidance for ethyl ethanoate and related esters.
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This edition includes notes on a prosecution because of a failure to adequately record risk assessments, an eye accident involving sodium hydroxide, advice on Bunsen tubing, a problem with a filter fu.. more
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