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Brief risk assessment guidance and experimental notes for activities involving the use of 2,4-dinitrophenylhydrazine (Hazcard 30).
words matched: carbonyls

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Many 16+ curriculums include testing for organic functional groups. The iodoform reaction is a simple test for the presence of the acetyl (ethanoyl) group (CH3CO–). The reaction can also be used to te.. more
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Guidance for the preparation of Brady's test reagent from 2,4-dinitrophenylhydrazine.
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Guidance on the preparation (and use) of Fehling's solutions A and B.
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Although both aldehydes and ketones contain the carbonyl functional group (-C=O), only aldehydes (or reducing sugars) give a positive ‘silver mirror’ test result with Tollen’s reagent. This small-scal.. more
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Although both aldehydes and ketones contain the carbonyl functional group (-C=O), only aldehydes give a positive test (formation of an orange to brick-red precipitate of copper(I) oxide) with Fehling’.. more
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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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Guidance on the preparation of potassium dichromate(VI) and sodium dichromate(VI) solutions.
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Brief risk assessment guidance and experimental notes for a range of activities involving solutions of ammonia (Hazcard 6).
words matched: carbonyls

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Guidance on the preparation of Sandell's solution. This reagent may be used to test for aldehydes and is a safer alternative to Fehling's for testing for reducing sugars.
words matched: carbonyls

Showing results 1 to 10 of 22
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