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PP018 - Preparation of 2-chloro-2-methylpropane
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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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PP026 - oxidation of alcohols to carboxylic acids using dichromate(VI)
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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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GL316 - Using a tap funnel to separate immiscible liquids
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Straightforward instructions on using a tap funnel, a piece of equipment used in several chemical preparations and investigations.
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PP130 - Making azo dyes
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Azo dyes provide an opportunity for students to carry out a simple multi-step organic synthesis. The methods provided here could be the basis for a student investigation into the effects of different .. more
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PP025 - Oxidation of alcohols to aldehydes using dichromate(VI)
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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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HC043a - Ethyl ethanoate and related esters
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Risk assessment guidance for ethyl ethanoate and related esters.
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HC013C - Other aromatic acids
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Risk assessment information for 2-aminobenzoic acid, 4-aminobenzoic acid and 3-nitrobenzoic acid.
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PP042 - Making nylon – demonstration
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This demonstration shows preparation of nylon, where solutions of 1,6- diaminohexane in water and an acid chloride in an immiscible solvent are brought together. The nylon polymer forms at the interfa.. more
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GL116 - Enzymes
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Covers a wide range of enzymes commonly used in school science, and includes advice on how they can be prepared for use in lessons.
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Bulletin 172 - Autumn 2021
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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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Showing results 1 to 10 of 14
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