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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.
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The apparatus consists of a small thread of mercury, concentrated sulfuric acid or oil inside a length of capillary tubing which has been sealed at one end.
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An activity for GCSE students to compare the viscosity of motor oil at varying temperatures. Includes instructions for making the very simple equipment needed, as well as for doing the activity.
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Crude oil refinery is a foundation industry, providing fuel products for heating and transport, and raw materials for many further industries, including polymer and pharmaceutical manufacturing. Fract..
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Glittering Oil Drop Experiment
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Clear illustrated guidance on how to set up and use a microscope.
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Updated from section 14 of the CLEAPSS Handbook, this offers practical advice for competent DIY-ers. It includes a section on rotary aquarium pumps, which lurk in many school cupboards.
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This now inclduies some general information on food calorimetry as well as explaining something of nut allergy and a range of control measures which could be used to enable effective, relevant practic..
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An invaluable practical guide on how to safely undertake a range of visually and intellectually appealing chemical reactions. Includes alternatives to some traditional activities such as the thermit r..
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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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Showing results 1 to 10 of 352
