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PP085 - Using colorimetry to quantify reducing sugar concentrations
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This provides an opportunity to develop and practice colorimetric techniques, and to plot a calibration curve. 
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PS041 - Repair and service agents for electrical laboratory equipment.
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A list of companies which will repair and service a range of electrical equipment used in school laboratories.
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GL192 - A technical guide to setting up and using the CLEAPSS colorimeter
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This document contains:An outline of colorimetryThe principles of the CLEAPSS colorimeterUsing a CLEAPSS colorimeter which has been set upSetting up the CLEAPSS colorimeterproducing a calibration curv.. more
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Free resource
pH meter calibration
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How to calibrate school pH meters
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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
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PP017 - Investigating the breakdown of beetroot membranes
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To help students understand how cell membrane integrity is affected by the environment surrounding the cell. Beetroot membranes are a good model for investigating this because the pigments that diffus.. more
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GL184 - Using video recording to measure the rate of photosynthesis
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Detailed guidance and instructions for a way to measure the rate of photosynthesis in aquatic plants by measuring the number of oxygen bubble produced and their volume. The practical uses simple equip.. more
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R142 - Equipment and Materials for Environmental Monitoring
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Explains what is meant by environmental monitoring, and the range of equipment available. Describes in detail each of the parameters which can be monitored including possible difficulties. Also descri.. more
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Free resource
GL122 - Electronic balance buying guide
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Guidance on buying electronic balances for use by students up to GCSE and at A Level.
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Members only resource
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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Showing results 1 to 10 of 36
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