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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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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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Small-scale method for determining the mass loss when heating a hydrated salt to constant mass (of anhydrous salt). The method, which uses a mini spirit burner and an alternative crucible, reduces the.. more
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Small-scale method for determining mass change when sodium hydrogen carbonate decomposes. The method uses a mini spirit burner and an alternative 'crucible' and generates reliable results for quantita.. more
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This guide describes a method of finding the iodine number for fats and oils using bromine that does not require a fume cupboard and can therefore be used as a class activity.
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Guidance for the preparation and use of DNSA (or DNS) reagent for reducing sugars. The reagent may be used qualitatively or quantitatively (colorimetric method).
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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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A simple activity involving the analysis of vinegar by titration using phenolphthalein as the indicator.
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The relative molecular mass of a volatile liquid can be found by measuring the volume occupied by a known mass of the liquid's vapour at room temperature and pressure. This method avoids the use of ga.. more
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In this activity, a primary alcohol (ethanol) is oxidised to a carboxylic acid (ethanoic acid) using an acidified dichromate(VI) solution. Important techniques are involved including heating under ref.. more
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Showing results 1 to 10 of 51
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