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Risk assessment guidance for dyes, indicators and stains.
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Azo dyes provide an opportunity for students to carry out a simple multi-step organic synthesis. The methods provided here could be the basis for a student investigation into the effects of different ..
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Using common dyes and indicators safely in practical activities. Many such compounds , or their solvents, are hazardous but are used in such small amounts and in a very controlled way so as to limit e..
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It is becoming increasingly difficult to determine the composition of food dyes in an unknown mixture, because formulations have been altered over time, and, as a consequence, the results never match ..
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Fruit skin and fruit dyes as indicators
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Guidance on the preparation of Sudan III solution. This is used as a stain for lipids, such as fats and oils.
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Complete index for the Student Safety Sheets
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A microscope based quiz where visiting children learn how to mount slides and view them with a junior microscope.
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Guidance on how to prepare indicators for carbon dioxide.
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Handling methanol safely in practical work. Methylated spirits is mainly ethanol with a little methanol added. Methanol is toxic as well as highly flammable.
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Showing results 1 to 10 of 68
