CLEAPSS Supporting practical science and technology
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Guidance on how to prepare the stains needed for gram staining - to distinguish between Gram-positive and Gram-negative bacteria.
words matched: iodine, Lugol's

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An updated method of staining gram-positive and gram-negative bacteria using basic equipment. 
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Index to currently published guidance on the preparation of specific solutions and other reagents. Includes a summary Contents List giving the dates of the most recent versions of recipes. Note: this .. more
words matched: iodine, Lugol's

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All-in-one pdf file of the CLP Recipe Sheets published (or updated) up to, and including, 15th November 2024.
words matched: iodine, Lugol's

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Precautions needed when using iodine or iodine solutions (iodine dissolved in potassium iodide or other solvents) i practical activities.
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Brief risk assessment guidance and experimental notes for a range of practical activities involving iodine and iodine solutions (Hazcard 54).
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Risk assessment guidance for using iodine solid and solutions.
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Guidance on how to prepare iodine solutions (dissolved in potassium iodide). 
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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.
words matched: iodine

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The Landolt method (potassium iodate(V) and sodium metabisulfite) was the first iodine clock reaction described, and can be used for a simple two-reagent investigation.
words matched: iodine

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