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HC025 - Cobalt and its compounds
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Risk assessment guidance for cobalt and its compounds including cobalt(II) nitrate(V), cobalt(II) chloride, cobalt(II) carbonate and cobalt(II) sulfate(VI).
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PX025 - Cobalt(II) compounds
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Brief risk assessment guidance and experimental notes for a range of activities involving cobalt(II) compounds.
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RB030 - Cobalt (II) Solutions
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Guidance on preparing, labelling and storing cobalt (II) solutions and other cobalt(II)-containing reagents. Includes information on cobalt(II) chloride indicator papers (for moisture/humidity detecti.. more
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PP036 - Exploring equilibria: cobalt(II) complexes
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A relatively simple activity involving two vividly coloured cobalt(II) complexes in solution can be used to illustrate the effects of changing conditions (concentration, temperature) on a reaction at .. more
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Bulletin 146 - Spring 2013
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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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HC086A - Silicon & silicon(IV) oxide
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Risk assessment information for silicon and silicon(IV) oxide (silica). Also includes information on mineral wools and silica gels (self-indicating and non-indicating).
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PS078 Choosing new radioactive sources for school use:advice for science departments
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Updated in 2013, this document gives detailed advice on suitable radioactive sources and appropriate suppliers.
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PP010 - a colourful catalysis reaction using cobalt(II) ions
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This activity dramatically shows the effect of a catalyst, cobalt(II) ions, on a reaction. Other characteristic properties of transition metals (eg, coloured ions, different oxidation state) can be ob.. more
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PP100 – Testing for positive ions: transition metals ions
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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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Free resource
SSS008 - Humans as the subject of investigation (3)
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Health and safety advice for investigating the sense of touch, taste/smell, and the effects on the body of eating
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Showing results 1 to 10 of 61
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