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PS010 - The burning peanut investigation and allergy to nuts
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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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TL007 - Making soap
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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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PP086 - Making soap the microscale way
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Soap making is an ancient process, going back at least 4000 years. It is an example of saponification of an ester group, which is sometimes included in GCSE, A-level and BTEC courses. The conventional.. more
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TL008 - Quantitative Testing for unsaturation in hydrocarbons
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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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PP029 - Effects of chemicals on permeability of red onion cell membranes
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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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PP115 - Testing for organic functional groups: unsaturation or double bonds
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Testing for organic functional groups: unsaturation or double bonds
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GL242 - Make-it guide – Charles’ Law apparatus
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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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Bulletin 113 - Spring 2002
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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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PX000 - Practical activity notes (interim document)
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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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Handbook - Section 9 - General Equipment (A-L)
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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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Showing results 1 to 10 of 11
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