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PP099 – Testing for positive ions: non-transition metals
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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
words matched: Ion
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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
words matched: Ion
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PP097 –Testing for common negative ions - additional ions
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The additional negative ions test tube reactions for nitrate(III), nitrate(V), sulfate(IV), phosphate and carboxylates (methanoate and ethanoate).
words matched: Ion
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GL369 - Qualitative Analysis
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Qualitative analysis is included in most science and chemistry courses across the 11-19 age range. This guide gives a summary/overview of the currently available CLEAPSS resources that provide detaile.. more
words matched: Ion
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HC071 - Phenylethene, phenylethyne and polymers
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Risk assessment information for phenylethene (styrene) and phenylethyne (phenylactylene) and their polymers. Outline general information for plastics and polymers, including ion exchange resins.
words matched: Ion
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PP109 - Anion analysis: Microscale
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Common anions are tested on a plastic covered worksheet, for quick easy disposal. Using solutions with minimum concentrations allows closer observations and initiates talking points. Students can phot.. more
words matched: Ion
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PP058 - Sugar cubes – flame test
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The flame test technique is very quick and simple method used in qualitative chemistry analysis to identify some of the metal ions.
words matched: Ion
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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
words matched: Ion
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PP064 - Ammonia chemistry in a petri dish
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A microscale activity which demonstrates a number of chemical reaction with ammonia. Because this is microscale, quantities of chemicals used are tiny,  making disposal and clearing up very easy.
words matched: Ion
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GL243 - Water purification buying guide
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A short overview of the common methods of water purification in school laboratories, include pros and cons. This will be useful for any teacher or technician looking to buy a new water purification sy.. more
words matched: Ion
Showing results 1 to 10 of 138
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