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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Testing for positive ions: reactions with hydroxides and ammonia. This microscale practical is carried out on a worksheet that is laminated or placed in a plastic wallet. The method minimises the use .. more

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Please note: This is a temporary resource containing the model risk assessment information and experimental points as they appeared on the reverse sides of the final edition of the CHIP Hazcards. This.. more

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An invaluable practical guide on how to safely undertake a range of visually and intellectually appealing chemical reactions. Includes alternatives to some traditional activities such as the thermit r.. more

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