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Guidance on how to prepare calcium hydroxide (Limewater).
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Using calcium hydroxide and oxide safely in practical work. Includes quick lime, slaked lime and limewater.
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This edition includes notes on the introduction of the Helpline, pressure vessel examination, safely using the Van de Graaff generator, and using limewater.
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This edition includes notes on, stress as an 'industrial disease' in education, the supply of some wrongly labelled chemicals, a device which can be fitted to temporarily hold open a door for the deli..
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Metal carbonates decompose at different temperatures to produce a metal oxide and carbon dioxide gas. This simple activity can be used for qualitative or quantitative activities.
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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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The common negative ions, carbonate (CO32-),
sulfate(VI) (SO42-) and the halides (Cl–, Br–
and I–) can be simply tested for in test tube reactions. The method
described here uses a more dilute ammo..
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Testing for common gases is included in most chemistry courses. In this procedure students make their own sample of carbon dioxide gas to collect and test.
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In this microscale procedure, students can investigate confirmatory tests for common anions. It provides good talking points for the diffusion of gases and appearance of coloured halos. Students can w..
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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 ..
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