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Guidance on the preparation of a mixed indicator that can be used for colourful investigations of the rusting process.
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Risk assessment information for barium compounds including barium oxide, hydrated barium hydroxide, barium sulfate(VI) and barium diphenylamine sulfonate.
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Guidance on the preparation of methylene blue solutions for different applications. Methylene blue is used as an indicator for redox reactions e.g. respiration, and stains for cells. 
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This activity can be used as an introduction to microscale drop, or “puddle” chemistry. It demonstrates that indicators do not always change at pH7.
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The blue bottle reaction is a simple demonstration of a redox reaction, with obvious colour changes. It can also be used as an introduction to reaction kinetics, including the role of temperature on r.. more
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Index to currently published guidance on the preparation of specific solutions and other reagents. Includes a summary Contents List giving the dates of the most recent versions of recipes. Note: this .. more
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Guidance on teaching students effective titration technique.
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Contains a wealth of information on the various ways of measuring pH, and the advantage and disadvantage os each. Includes all sorts of background theory which will help the reader make the most appro.. more
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This small-scale analysis activity uses simple equipment and provides a useful introduction to the principles of titration. Quantities of the reagents are measured by mass (rather than volume) and the.. more
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 Please note: This is a temporary resource providing a summary Contents List of all recipe sheets published to date. RB 000 is a working document, subject to frequent changes as our guidance is update.. more
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