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A relatively simple activity involving two vividly coloured cobalt(II) complexes in solution can be used to illustrate the effects of changing conditions (concentration, temperature) on a reaction at .. more
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Brief risk assessment guidance and experimental notes for a range of activities involving cobalt(II) compounds.
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This video demonstrates a safe (microscale) procedure for the production of iodine trichloride, as well as demonstrations showing its conversion to iodine monochloride.
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Brief risk assessment guidance and experimental notes for a range of practical activities involving iodine and iodine solutions (Hazcard 54).
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Electroplating is an important industrial application of electrolysis and is studied in many pre-16 and post-16 courses. Electroplating processes often involve coating a metal object with another meta.. more
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How to prepare aqueous solutions of iodine (dissolved in potassium iodide)
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Risk assessment information for nitrogen oxides. Includes dinitrogen monoxide (nitrous oxide), nitrogen monoxide (nitric oxide), nitrogen dioxide and dinitrogen tetroxide.
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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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Regulation 8 of the Ionising Radiations Regulations 2017 (IRR17) requires the employer to undertake a suitable and sufficient prior risk assessment before commencing a new work activity involving ioni.. more
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Describes in detail four different practical activities to measure half-life in a school laboratory, and compares the advantages and disadvantages of each.
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