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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..
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words matched: absorbance
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..
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words matched: absorbance
This provides an opportunity to develop and practice colorimetric techniques, and to plot a calibration curve.
words matched: absorbance
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..
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words matched: absorbance
A more straight forward activity than that done traditionally. Includes all practical instructions and some brief notes on DCPIP.
words matched: absorbance
Directors update on the new A'Levels, CLEAPSS at the ASE Conference, yet more on taps and water fittings, the disposal of sharps, CLEAPSS suppliers workshop, CLEAPSS makes it guides, the new CLP Hazca..
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words matched: absorbance
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..
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words matched: absorbance
Gives very detailed guidance on what water purification entails, and when pure water is needed in school science. It suggests the advantages and disadvantages of the methods of purification available ..
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words matched: absorbance
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..
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words matched: absorbance
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