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Risk assessment guidance for sodium metal.
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Sodium silicate solution (water glass) will precipitate coloured metal silicates that appear to grow like underwater plants.
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Health and safety advice on using alkali metals in science practical activities. Includes lithium, sodium & potassium.
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This procedure is required by every examination specification, as it illustrates the change in reactivity in Group 1 of the Periodic Table. However, the reaction between sodium and potassium with wate..
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Brief risk assessment guidance and experimental notes for a range of activities involving zinc metal (Hazcard 107).
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Small pieces of sodium and potassium metal are crushed together in a test tube under an inert liquid until the alloy – a liquid at room temperature – is observed to form. There are several possible al..
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The positive ions aluminium (Al3+), potassium (K+), lead(II) (Pb2+) and ammonia (NH4+) can be tested for with simple test tube reactions. These tests are more specific than precipitation reactions wit..
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The metal ions cobalt(II), copper(II), iron(II) and iron(III) can be tested for with simple test tube reactions. These tests are more specific than precipitation reactions with sodium hydroxide soluti..
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Guidance on how to prepare sodium chlorate(I) solutions (also known as sodium hypochlorite).
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Risk assessment guidance for barium metal, barium carbonate and barium chloride.
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Showing results 1 to 10 of 558
