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Risk assessment information for dichloromethane (also called methylene chloride or methylene dichloride).
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Guidance on the preparation of 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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A simple method of observing animal cells using liver. A great alternative to cheek cells.  
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An updated procedure to safely look at human cheek cells under the microscope. Includes information on both health and safety and disposal, as well as some suggestions for more detailed work.
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No longer used much in practical work because of hazards. Includes dichloromethane (methylene dichloride), trichloromethane (chloroform), tetrachloromethane (carbon tetrachloride), 1,1,1-trichloroetha.. 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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Index to currently published guidance on the preparation of specific solutions and other reagents. Includes a summary Contents List giving the dates of the most recent versions of recipes. Note: this .. more
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 Please note: This is a temporary resource providing a summary Contents List of all recipe sheets published to date. RB 000 is a working document, subject to frequent changes as our guidance is update.. more
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Complete index for the Student Safety Sheets
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Health and safety advice on using extracting and analysing DNA in science practical work.
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