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Guidance on the preparation of potassium dichromate(VI) and sodium dichromate(VI) solutions.
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Risk assessment guidance for ammonium dichromate(VI).
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Brief risk assessment guidance and experimental notes for a range of activities involving ammonium dichromate(VI) solid (Hazcard 7).
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Using ammonium chloride, sulfate(VI), carbonate, nitrate(V) and dichromate(VI) safely in practical work.
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In this activity, a primary alcohol (ethanol) is oxidised to an aldehyde (ethanal) using an acidified dichromate(VI) solution. After collection by distillation, the organic product can be tested to co.. more
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The structures of alcohols influence their chemical reactivity. This small-scale activity provides a quick introduction to the effect of oxidising agents on primary, secondary and tertiary alcohols. T.. 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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Using chromium metal, chromium salts, chrome alum, chromates and dichromates, safely in practical work.
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Describes two simple microscale practical activities, one a demo, the other for class use, for illustrating the electrolytic separation of copper and chromate ions. Copper chromate is made, in situ, b.. 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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Showing results 1 to 10 of 44
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