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Guidance on the preparation of toluidine blue. This is used for staining plant material and chromosomes. 
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A straight forward method using a low risk stain for observing mitosis in garlic root tip cells.
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Guidance on preparing orcein acetic (acetic orcein) for staining mitosis in garlic root tip cells.
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Scanning for mitosis in garlic root tip cells
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Now a placeholder document as this guidance has been replaced by PP129.
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In this terms issue :-- CLEAPSS has moved- New staff at CLEAPSS- Pupils using CLEAPSS resources- COVID-19 update- Staining and observing mitosis- Resources for transition events- Burning magnesium rib.. more
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Using common dyes and indicators safely in practical activities. Many such compounds , or their solvents, are hazardous but are used in such small amounts and in a very controlled way so as to limit e.. more
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Risk assessment guidance for dyes, indicators and stains.
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Complete index for the Student Safety Sheets
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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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Showing results 1 to 10 of 221
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