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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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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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Risk assessment information for 1,2-dichloroethane and 1,2-dibromoethane.
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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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Risk assessment information for dichloromethane (also called methylene chloride or methylene dichloride).
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Instructions for making concrete bars of varying compositions, which can be subsequently tested for strength.
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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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Risk assessment guidance for calcium oxide (quicklime), calcium hydroxide (slaked lime) and strontium hydroxide-­‐8-­‐water (hydrated strontium hydroxide).
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Risk assessment guidance for barium metal, barium carbonate and barium chloride.
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Risk assessment information for the elements mercury and cadmium.
words matched: alkali, strong

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