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Risk assessment guidance for Propanone and other ketones (1)
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A hot copper plate is placed into an atmosphere containing propanone and the reaction takes place on the surface of the copper foil, making it appear red hot. As the concentration of air in the flask ..
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Guidance
on the preparation and labelling of ethanol/water, methanol/water and
propanone/water solutions.
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Also known as acetone. Precautions needed when using it safely in practical work.
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Guidance on the preparation of reagents used to test for the presence of cations. This Recipe only includes those reagents that are not covered by other Recipe Sheets.
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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..
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Thin layer chromatography is a quick and effective method of separating pigments within leaves. The pigments run clearly on the chromatogram with little outward spread, allowing Rf values to be calcul..
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Brief risk assessment guidance and experimental notes for a range of practical activities involving iodine and iodine solutions (Hazcard 54).
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Useful safety signs, symbols and their colour codes.
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Explains the relative merits of three different ways of producing printed circuit boards by etching copper-clad boards.
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Showing results 1 to 10 of 49
