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PP048 The effect of pH on amylase digestion
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Offers a straightforward method for investigating the effect of pH on an enzyme.
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GL018 - Food tests
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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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PP062 - Paper chromatography of amino acids
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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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PP071-Investigating the effect of temperature on amylase
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A straightforward and commonly-used practical activity
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PP147 - Preparation of Aspirin
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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 .. more
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PP013 - Oxidation of alcohols: investigating the effect of structure
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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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GL302 - Electronic meters
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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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Tech Tip - Keeping track of practical resources
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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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PP131 - Determining the speed of EM radiation with a microwave oven
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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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PP124 - Testing for organic functional groups: manganate(VII) test for alcohols and carbonyls
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Many 16+ curricula include testing for organic functional groups. Qualitative distinction of primary/secondary alcohols from tertiary alcohols, and aldehydes from ketones is commonly carried out with .. more
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Showing results 1 to 10 of 88
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