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Risk assessment guidance for making and/or using lead bromide, lead chloride, lead iodide, lead nitrate, lead sulfate.
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This important demonstration proves the existence of ions as charged particles. Using microscale, it can be carried out safely and quickly in a well ventilated laboratory and projected onto a screen s.. more
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Using lead metal, lead oxides, bromide, nitrate(V),ethanoate, and others, safely in practical work.
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Risk assessment information for bismuth, bismuth(III) chloride, bismuth(III) chloride oxide and bismuth(III) nitrate(V). Includes information about bismuth nitrate solutions.
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Risk assessment information for dichloromethane (also called methylene chloride or methylene dichloride).
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Concentrated sulfuric(VI) acid reacts with solid samples of Group 1 halides (chloride, bromide or iodide) to form hydrogen halide gases and other products. The activity illustrates the behaviour of co.. more
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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.. more
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The electrolysis of copper(II) chloride solution was cited in many GCSE exemplar procedures. With large-scale equipment, the volume of chlorine produced, caused breathing difficulties for some student.. more
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This edition includes notes on the status of science technicians, the use of lead-based solder, the RSC publication ' Surely that's banned?',  problems with battery holders and advice on some of the p.. more
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This edition includes a note from the director on CLEAPSS services, and other notes on Hazcards updates, no eating and drinking in the lab, recording risk assessments, buying Petri dishes, calcium oxi.. more
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