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Soap making is an ancient process, going back at least 4000 years. It is an example of saponification of an ester group, which is sometimes included in GCSE, A-level and BTEC courses. The conventional..
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The traditional procedure to make soap is hazardous because it requires heating quite concentrated sodium hydroxide solution, typically about 5 M (CORROSIVE) with the oil or fat.This guide covers two ..
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A hotplate made from a drinks can that can be heated with a cleapss spirit burner
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Instructions for making concrete bars of varying compositions, which can be subsequently tested for strength.
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This guidance is designed to be used for making slime-like substances and NOT for lessons teaching about cross-linking.
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All Student Safety Sheets in a handy PDF format, which makes printing a whole set easier.2026 update.
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The explosion between hydrogen and oxygen, in the confines of a modern school laboratory, is extremely loud.A mixture of hydrogen and oxygen is placed inside a syringe. The mixture is bubbled into soa..
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Various activities often need a 20 cm3 or 60 cm3 syringe full of gas. At CLEAPSS, gases such as oxygen, carbon dioxide and even hydrogen have been stored for many days in a syringe fitted with a cap.
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Components of blood can be stained and viewed using this protocol.
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Instructions for construction and use of a syringe pump for filling gas baloons and other applications.
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Showing results 1 to 10 of 912
