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Guidance for the preparation of Brady's test reagent from 2,4-dinitrophenylhydrazine.
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Brief risk assessment guidance and experimental notes for activities involving the use of 2,4-dinitrophenylhydrazine (Hazcard 30).
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An idea for a secondary storage container for 2,4-dinitrophenylhydrazine (2,4-DNPH). 
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Risk assessment information for 2,4-dintrophenylhydrazine (2,4-DNPH) which is used to make Brady's reagent (for identifying carbonyl compounds). Also, information about phenylhydrazine.
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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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Promotes the use of microscale (very small scale) practical activities by describing and explaining  equipment and techniques used. Illustrates these with instructions for several common organic chemi.. more
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Another jam packed edition of the Bulletin :-- Fake news from the Director - Update on the renewal process- Who pays for CLEAPSS membership- Gatsby project update- Using light bulbs in biology- Online.. more
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The ‘shelf-life’ of a reagent depends on its chemical properties, how it is stored and how frequently the container is opened, thus exposing the reagent to air, moisture and other contaminants. Over t.. more
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We have updated and revised our guidance in light of the 2014 Explosives Regulations. These do change what schools are able to do in Science.We have worked closely with experts in the explosives indus.. more
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Advice on the hazard classifications of common chemical solutions, and what to put on labels for laboratory use, now including details on how to re-label old (CHIP4) bottles.
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Showing results 1 to 10 of 17
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