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Instructions on how to make a small water bath for holding vials.
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Many esters have distinctive odours, which has led to their use as artificial flavourings, perfumes and
fragrances. Many occur naturally but some are now manufactured industrially. The methods outlin..
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Various monitoring techniques can be used to investigate how different factors affect the rates of reactions. The thiosulfate-acid ‘disappearing cross’ activity is an example of a clock reaction with ..
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A simple and reliable protease practical activity.
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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..
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A guide describing some simple, inexpensive and successful methods for carrying out paper and thin layer chromatography, illustrated with examples using biro ink and lipstick.
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A straight forward method using a low risk stain for observing mitosis in garlic root tip cells.
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The synthesis and purification of a liquid organic compound is described. Practical techniques include, liquid-liquid separation, washing, drying and distillation. The % yield of the organic product c..
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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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Provides detailed instructions for a simple practical which illustrates some of the working of the gut. Uses sucrose as the starting substrate and DNS reagent or glucose testing strips to identify the..
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