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An alternative oscillating reaction to the Belousov-Zhabotinsky (BZ) and Briggs-Raucher (BR) reactions. 
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Guidance on how to prepare aqueous solutions of chlorine. Three different methods are described.
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The electrolysis of water is becoming increasing more relevant as a means of providing hydrogen, which may be used as a fossil fuel supplement or replacement. The expensive, traditional apparatus, the.. more
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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.. more
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Guidance and information on a range of chemicals, chemistry topics and apparatus including handling chemicals, chemical reactions, gas cylinders and syringes, molecular models, plastics, advanced chem.. more
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Risk assessment information for potassium nitrate(V) and sodium nitrate(V). Includes information about sodium nitrate(V) solutions. Do not confuse these compounds with the nitrite salts, i.e. potassiu.. 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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All-in-one pdf file of the CLP Recipe Sheets published (or updated) up to, and including, 15th November 2024.
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How to carry out this classic activity
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A small amount of sodium is added to concentrated hydrochloric acid. There is fizzing and a precipitate of sodium chloride forms but no explosion. If potassium is used there is ignition but again, no .. more
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