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Advice on how to transfer chemicals safely.
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How to safely transfer liquid chemicals
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An interesting investigation which involves using an electric lamp to heat water. By measuring the temperature rise over time, and the voltage and current input to the lamp, the overall efficiency of .. more
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Many post-16 chemistry curricula include testing for organic functional groups. Phenol crystals are tricky to work with, so provide students an opportunity to develop their manual handling and observa.. 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 experiment notes for small-scale and demonstration versions of the ammonium dichromate(VI) volcano. 
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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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Guidance on the preparation and use of the required solutions for the determination of the dissolved oxygen content of water samples using Winkler's method. The procedure described avoids the use of s.. more
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A straight forward method of how to serially dilute a bacterial broth, and grow colonies, for calculating population density. 
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Guidance on the preparation of reagents used to test for the presence of cations. This Recipe only includes those reagents that are not covered by other Recipe Sheets.
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Showing results 1 to 10 of 297
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