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Guidance on how to prepare Benedict's quantitative solution. This is used for the quantitative analysis of reducing sugars.
words matched: quantitative
This provides an opportunity to develop and practice colorimetric techniques, and to plot a calibration curve.
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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.
words matched: quantitative
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..
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words matched: quantitative
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..
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words matched: quantitative
Guidance on how to prepare and use of DNSA (or DNS) reagent for reducing sugars. The reagent may be used qualitatively or quantitatively (colorimetric method).
words matched: quantitative
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.
words matched: quantitative
A simple activity involving the analysis of vinegar by titration using phenolphthalein as the indicator.
words matched: quantitative
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..
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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..
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words matched: quantitative
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