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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: ions, sulfate
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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: ions, sulfate
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PS067m The movement of ions
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Describes two simple microscale practical activities, one a demo, the other for class use, for illustrating the electrolytic separation of copper and chromate ions. Copper chromate is made, in situ, b.. more
words matched: ions, sulfate
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PP096 –Testing for common negative ions
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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
words matched: ions, sulfate
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RB022 - Cerium (IV) solutions
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Guidance on preparing, labelling and storing cerium(IV) sulfate(VI) and ammonium cerium(IV) sulfate(VI) solutions.
words matched: ions, sulfate
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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: ions, sulfate
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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: ions, sulfate
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HC053 - Hydroxylammonium and hydrazine salts
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Risk assessment information for hydroxylammonium chloride, hydroxylammonium sulfate, dimethylglyoxime and hydrazine hydrate (and its salts).
words matched: ions, sulfate
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PP139 - The preparation of hydrated zinc sulfate crystals
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Preparing salts is a common activity at GCSE level, bringing together many useful skills. Making copper sulfate crystals (PP027), which involves making copper(II) sulfate from copper(II) oxide, is the.. more
words matched: ions, sulfate
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Testing for negative ions - sulfate(VI) ions
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Testing for negative ions - sulfate(VI) ions
words matched: ions, sulfate
Showing results 1 to 10 of 260
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