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Guidance on the preparation 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 s.. more
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Brief risk assessment guidance and experimental notes for a range of activities involving potassium nitrate(V) and sodium nitrate(V) salts (Hazcard 82).
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Guidance on the preparation of oxygen gas (for filling gas jars etc). 
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Explains what is meant by environmental monitoring, and the range of equipment available. Describes in detail each of the parameters which can be monitored including possible difficulties. Also descri.. more
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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 .. more
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Gives guidance on general fieldwork including specific measurements and techniques. Detailed guidance is included on measuring substances in the soil, water and air, and electronic measurements such a.. more
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This document describes a demonstration for safely buring red phosporus in air, emulating the traditional burning white phosphorus in a bell jar experiment. The activity also provides a reasonbly accu.. more
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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.. more
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The blue bottle reaction is a simple demonstration of a redox reaction, with obvious colour changes. It can also be used as an introduction to reaction kinetics, including the role of temperature on r.. more
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Detailed, illustrated instructions for this practical activity, including how to make the simple manometer required.
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Showing results 1 to 10 of 357
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