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How to, simply, safely and dramatically, grow crystals as part of helping students appreciate and understand ionic structures.
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A quick and safe method for preparing hydrated copper sulfate crystals from copper(II) oxide and sulfuric acid. The activity involves important techniques such as heating with a water bath, filtration.. more
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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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Guidance on preparing the stains needed for gram staining - to distinguish between Gram-positive and Gram-negative bacteria.
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Brief risk assessment guidance and experimental notes for a range of activities involving lead metal and some lead compounds (including oxides, carbonate, sulfide).
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This video demonstrates a quick and reliable method to produce copper sulfate crystals in the classroom.
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This video demonstrates a microscale method for preparing copper sulfate crystals, including the reaction, filtration and evaporation stages.
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This edition includes the director's thoughts on the value of practical work and notes on risk assessments, apparently bargain price school chemicals, using chemical rockets, disposal of microbiology .. more
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Risk assessment guidance for boron compounds, including disodium tetraborate decahydrate (borax),  boric (boracic) acid and sodium peroxoborate-­‐4-­‐water (sodium perborate).
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Risk assessment guidance for Phenols (1)
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