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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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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.. more
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Common anions are tested on a plastic covered worksheet, for quick easy disposal. Using solutions with minimum concentrations allows closer observations and initiates talking points. Students can phot.. more
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Brief risk assessment guidance and experimental notes for a range of activities involving ammonium salts (Hazcards 9A and 9B).
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Effective stock management procedures will ensure that the state of chemical containers and their contents are checked on a regular basis: whenever a chemical is used and at least once a year during t.. more
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This practical procedure describes how to safely decant concentrated nitric acid from the plastic bottle in which it was supplied into a new glass bottle. The same procedure can be used when decanting.. more
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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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Describes the structure of the CLP Hazcards, and amplifies and explains the safety information which is included on them.
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Everything for the beginner, including buying, setting up, and using a camera in all sorts of laboratory situations, with practical examples.
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This document contains wide ranging information on developing environmental areas in schools, from the initial planning stages through to environmental activities and classroom resources for when you .. more
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