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Advice on how to handle beakers of hot liquids safely and with confidence.
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Clear advice and instructions on using a Bunsen burner to heat materials in test tubes.
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Clear instructions and advice on how to safely heat flammable materials in test tubes.
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This procedure has often been used as an introduction to Y7 science. A beaker of water is placed on a tripod and gauze and the Bunsen adjusted to deliver a very hot flame. There have been instances of..
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Gutter plates are a technique for testing the efficacy of an anti-microbial solution against several different microbes simultaneously. The illustrated guide explains how to prepare and use gutter pla..
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Explains the regulations covering water supply to labs and the sort of tap fittings or supply arrangements needed to comply.
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Guidance on the preparation of ammonia gas (for filling gas jars etc). Brief information on the ammonia fountain demonstration is also provided.
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With careful supervision, students can carry a simple distillation to separate a pure substance (water) from a solution (copper(II) sulfate). This can be achieved by using a side-arm boiling tube inst..
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This demonstration shows an important procedure in chemistry and industry, to separate a pure substance from a mixture of substances with widely differing boiling points. One important industrial exam..
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A simple visual demonstration of the effects of reducing the pressure inside a bell jar on the boiling of warm water.
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Showing results 1 to 10 of 66
