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Guidance for the preparation and use of DNSA (or DNS) reagent for reducing sugars. The reagent may be used qualitatively or quantitatively (colorimetric method).
words matched: colorimetry
This provides an opportunity to develop and practice colorimetric techniques, and to plot a calibration curve.
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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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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: colorimetry
Guidance on the preparation of Benedict's quantitative solution. This is used for the quantitative analysis of reducing sugars.
words matched: colorimetry
Instructions to make a novel and inexpensive general colorimeter using LEDs. We would welcome feedback from users.
words matched: colorimetry
Make you own colorimeter, using some Lego and LED's.
words matched: colorimetry
Ideas on using yeast as a safer alternative for basic microbiology practicals.
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The Landolt method (potassium iodate(V) and sodium metabisulfite) was the first iodine clock reaction described, and can be used for a simple two-reagent investigation.
words matched: colorimetry
Iodine clock reactions produce iodine, which reacts with starch to give the distinct blue/black colouration. The iodide-persulfate method is one of the simplest clock reactions, involving simple kinet..
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