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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..
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A simple method for identifying reducing sugars using chromatography. The reducing sugars need to be stained with Benedict’s reagent to reveal the spots after the run.
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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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The procedure uses many important skills suitable for post-16 students, including following instructions, safe use of chemicals and equipment, chromatography techniques, recrystallization and melting ..
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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..
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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..
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A few ideas to help teachers & technicians quickly check that practical resources are returned at the end of the lesson.
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This procedure allows for the experimental determination of the speed of EM radiation by studying standing wave patterns on marshmallows inside a microwave oven.
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Showing results 1 to 10 of 90
