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Brief risk assessment guidance and experimental notes for a range of practical activities involving hydrogen peroxide solutions (Hazcard 50).
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Guidance on how to prepare toluidine blue. This is used for staining plant material and chromosomes. 
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Guidance on how to prepare lactophenol blue. This is used to stain fungi.
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This activity can be used to help pupils learn about fire safety, flash points, combustion of oil and the 'fire triangle'.
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This demonstration is a variation on CLEAPSS Supplementary Risk Assessment SRA002 - Dust explosions using cornflour, custard powder, icing sugar, lycopodium powder, etc. Because the demonstration is n.. more
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Guidance on how to prepare methylene blue solutions for different applications. Methylene blue is used as an indicator for redox reactions e.g. respiration, and stains for cells. 
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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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Guidance on how to prepare indicators (acid-base). 
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Playing with Fire: Chemical Safety Expertise Required - A research paper by Samuella B. Sigmann Appalachian State University, Boone, North Carolina 28608, United States.ABSTRACT: Over the past 20 year.. more
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The spark counter is a piece of equipment highly recommended in practical demonstrations of radioactivity. It is a device designed for detecting alpha radiation and for demonstrating its ionising char.. more
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