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A simple activity involving the analysis of vinegar by titration using phenolphthalein as the indicator.
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The flame test technique is very quick and simple method used in qualitative chemistry analysis to identify some of the metal ions.
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This small-scale analysis activity uses simple equipment and provides a useful introduction to the principles of titration. Quantities of the reagents are measured by mass (rather than volume) and the.. more
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Brief risk assessment guidance and experimental notes for a range of practical activities involving nitric(V) acid (Hazcard 67).
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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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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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Guidance on the preparation and use of Benedict's reagent for the quantitative analysis of reducing sugars. Outline methods for use of the reagent in volumetric and colorimetric procedures are briefly.. more
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Risk assessment information for ammonium sulfide, potassium sulfide and sodium sulfide salts and solutions.
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The flame test is a useful technique for identifying unknown substances. This simple method uses wooden splints soaked in aqueous salt solutions.
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Metal carbonates decompose at different temperatures to produce a metal oxide and carbon dioxide gas. This simple activity can be used for qualitative or quantitative activities.
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