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This provides a method to plot a calibration curve using the starch-iodine reaction.
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The flame test is a useful technique for identifying unknown substances. This simple method uses wooden splints soaked in aqueous salt solutions.
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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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Guidance on how to prepare and use of DNSA (or DNS) reagent for reducing sugars. The reagent may be used qualitatively or quantitatively (colorimetric method).
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Brief risk assessment guidance and experimental notes for a range of practical activities involving phosphoric(V) acid and its salts (Hazcard 72)
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The common negative ions, carbonate (CO32-),
sulfate(VI) (SO42-) and the halides (Cl–, Br–
and I–) can be simply tested for in test tube reactions. The method
described here uses a more dilute ammo..
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Gutter plates are a technique for testing the efficacy of an anti-microbial solution against several different microbes simultaneously. The illustrated guide explains how to prepare and use gutter pla..
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Sensible advice on the minimal risks to pregnant individuals posed by practical school science
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This edition includes notes on an airgun incident in a school, examining autoclaves and pressure cookers, declining supplies of potassium and phosphorus, a theft of pestles from labs, and tips on cons..
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Showing results 1 to 10 of 359
