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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.. more
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The traditional procedure to make soap is hazardous because it requires heating quite concentrated sodium hydroxide solution, typically about 5 M (CORROSIVE) with the oil or fat.This guide covers two .. more
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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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A simple investigation, with clear procedural advice, on looking at how chemicals affect the cytoplasm of red onion epidermal cells.
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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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This edition includes notes on confusion over universal indicators; advice on demonstrating the thermit (thermite) reaction, issues with new laboratories, and information for teachers of D&T on pu.. more
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Guidance on general laboratory equipment including balances, barometers, calorimeters, cells and batteries, centrifuges, spirit burners and other heating equipment, steam engines, gas cylinders and ge.. more
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Please note: This is a temporary resource containing the model risk assessment information and experimental points as they appeared on the reverse sides of the final edition of the CHIP Hazcards. This.. more
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The spreadsheet in this file can be used as a basis for your stocklist. In this edition, storage codes and Hazcard references are provided for the chemicals listed, but please use the latest Hazcard f.. more
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Showing results 1 to 9 of 9