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Offers a straightforward method for investigating the effect of pH on an enzyme.
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This document explains how to carry out a circus of qualitative food tests for:carbohydratesstarch – iodine testreducing sugars - Benedict’s testnon-reducing sugars – hydrolysis then Benedict’s test p.. more
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Amino acids can be identified and separated using paper chromatography, a cheaper alternative to using TLC. The amino acids need to be stained with ninhydrin to reveal the spots after the run.
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A straightforward and commonly-used practical activity
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This guide gives details of a simple demonstration of enzyme activity using the digestion of starch by amylase. It can also be used to investigate the impact of different conditions on how quickly.. more
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The structures of alcohols influence their chemical reactivity. This small-scale activity provides a quick introduction to the effect of oxidising agents on primary, secondary and tertiary alcohols. T.. more
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Extracted and refreshed from section 12 of the Handbook, includes information on different electronic meters, and investigations using them. Includes coulombmeters, sensitive galvanometers, picoammete.. more
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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 couple of ideas to help teachers & technicians quickly check that practical resources are returned at the end of the lesson.
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An alternative protocol for staining blood smears.
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