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Handling methanol safely in practical work. Methylated spirits is mainly ethanol with a little methanol added. Methanol is toxic as well as highly flammable.
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Illustrated guidance on preparing bacterial slides and then gram staining them to discern gram positive and gram negative examples.
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Risk assessment guidance for chromium and its compounds including Chromium(III) nitrate(V), Chromium(III) chloride, Chromium(III) oxide and Chromium(III) sulfate.
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Useful, brief, guidance on how to grow the alga and make algal balls, which can be used successfully in photosynthesis practicals.
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This document describes how to safely carry out unsaturation tests using bromine solution. There is guidance on minimising the release of toxic gas, and the intense and sometimes unpleasant odour of s.. more
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This small-scale analysis activity uses simple equipment and provides a useful introduction to the principles of titration. Quantities of the reagents are measured by mass (rather than volume) and the.. more
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A simple activity involving the analysis of vinegar by titration using phenolphthalein as the indicator.
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Updated 01 Nov 2019. Please note: This is a temporary resource providing a summary Contents List of all recipe sheets published to date. RB 000 is a working document, subject to frequent changes as ou.. more
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A simple way to undertake a well-known practical to illustrate the principle of how surface area changes with respect to volume as cells or organisms increase in size.
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Instructions on how to make a low cost Arduino Ultrasound range sensor.  See accompanying zip file GL297a for the Arduino code.
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