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PP149 - Investigating osmosis of red blood cells
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This procedure outlines how to observe lysis and crenation of red blood cells using different concentrations of saline solutions. 
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PP163 - Making a calibration curve for starch using colorimetry
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This provides a method to plot a calibration curve using the starch-iodine reaction. 
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PP019 - Analysis of vinegar (small scale)
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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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Handbook - Section 17 - Fieldwork
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Gives guidance on general fieldwork including specific measurements and techniques. Detailed guidance is included on measuring substances in the soil, water and air, and electronic measurements such a.. more
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Free resource
SSS057 - Hydrogen peroxide
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Using hydrogen peroxide safely in practical activities.
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Handbook - Section 7 - Chemical Safety
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General chemical safety information. Includes chemical names and formulae, with instructions for making common dilute solutions, general advice on storage, handling and disposal as well as guidance on.. more
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Free resource
SSS051 - Oxygen and ozone
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Using oxygen safely in practical work. Information about ozone gas.
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G9 - Fume Cupboards in Schools
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This guide is intended for those using, buying, or designing fume cupboards for schools and colleges. Information is provided on common problems, on choosing and installing appropriate cupboards an.. more
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PS067 - Practical actitivities in the new GCSEs (2008)
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A summary of queries to CLEAPSS concerning suggested practical activities which either did not work or were unduly hazardous. Ways around these problems are either included within this document or in .. more
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Members only resource
R035 - pH measurement
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Contains a wealth of information on the various ways of measuring pH, and the advantage and disadvantage os each. Includes all sorts of background theory which will help the reader make the most appro.. more
words matched: concentration, percentage
Showing results 1 to 10 of 338
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