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Testing for common gases is included in most chemistry courses. In this procedure students make their own sample of oxygen gas. Yeast is used as a source of the catalyst for the reaction and is an exa..
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Guidance on how to prepare oxygen gas (for filling gas jars etc).
words matched: oxygen, preparation
Instructions on how to make gas preparation apparatus.
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Risk assessment guidance for making and using oxygen.
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This edition includes notes on refurbishing new laboratories, REACH, primary liaison activities; transporting chemicals, oxygen gas supplies, a problem with sulphur trioxide, and a technicians tip on ..
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An invaluable practical guide on how to safely undertake a range of visually and intellectually appealing chemical reactions. Includes alternatives to some traditional activities such as the thermit r..
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Guidance on how to prepare and use of the required solutions for the determination of the dissolved oxygen content of water samples using Winkler's method. The procedure described avoids the use of so..
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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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Brief risk assessment guidance and experimental notes for a range of practical activities involving sodium peroxide and potassium superoxide (Hazcard 94).
words matched: oxygen, preparation
This is a quick and simple procedure to produce and test these three common gases. The whole activity can be completed in a single lesson and offers pupils the chance to experience the well-known test..
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