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Risk assessment information for barium chromate(VI), barium nitrate(V) and barium peroxide.
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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.. more
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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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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 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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The additional negative ions test tube reactions for nitrate(III), nitrate(V), sulfate(IV), phosphate and carboxylates (methanoate and ethanoate).
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Guidance on preparing, labelling and storing barium solutions, including barium chloride and barium nitrate.
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includes lead acetate.
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Includes calcium chromate, carbonate and sulfates, and calcium and strontium nitrate
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Brief risk assessment guidance and experimental notes for a range of activities involving solutions of ammonia (Hazcard 6).
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