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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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This guide gives general advice to technicians/ teachers about using haemocytometers for precise cell counts, and CLEAPSS microquadrat for counting cells and studying microhabitats.
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A diagrammatic guide on how to get started with microscopy, outlining the key actions with links to associated guidance.
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Instructions on how to calibrate eyepiece aids using a DIY stage micrometer. 
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Covers the fundamental activities that use plants, and includes advice on which plants to use and how to keep plants at school. 
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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.. more
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Guidance on how to prepare eosin.
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This guide outlines how to make polarised light filters and use them to view specimens without chemical stains.
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All-in-one pdf file of the CLP Recipe Sheets published (or updated) up to, and including, 15th November 2024.Since 16th November 2024, up to and including 23rd January 2025 a new Recipe RB119 was adde.. more
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Spring 2025 Bulletin- Directors Editorial - Updates on your individual log in's- Magnificent ways to make the most ofyour microscopes- UV Glow- Slime once again- Stopping half way with Aspirin- Guidan.. more
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Showing results 1 to 10 of 263
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