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Extracted and refreshed from section 12 of the Handbook, includes information on different electronic meters, and investigations using them. Includes coulombmeters, sensitive galvanometers, picoammete.. more
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A simple protocol used to show that leaves have been photosynthesising by testing for starch.
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This document explores the advantages and disadvantages of three methods of looking at stomata, including direct observation with a microscope, epidermal peels and nail varnish imprints.
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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.. more
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A reduced scale way to carry out Zinc plating, and make 'gold' coins!
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This video demonstrates an easy procedure to carry out chomatography of leaf chloroplast.
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Covers the fundamental activities that use plants, and includes advice on which plants to use and how to keep plants at school. 
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Everything for the beginner, including buying, setting up, and using a camera in all sorts of laboratory situations, with practical examples.
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For decades, the standard connectors used to connect a GM tube holder cable to the counter/scaler were the PET100 plug and socket. These are now obsolete and difficult to get hold of, particularly the.. more
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The low melting point of gallium metal is demonstrated, eg by using warm water to melt a sample or by making it into a spoon shape and showing that it melts when used to stir a cup of tea.
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