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PP062 - Paper chromatography of amino acids
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Amino acids can be identified and separated using paper chromatography, a cheaper alternative to using TLC. The amino acids need to be stained with ninhydrin to reveal the spots after the run.
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Members only resource
PP056 - Thin layer chromatography of plant pigments
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Thin layer chromatography is a quick and effective method of separating pigments within leaves. The pigments run clearly on the chromatogram with little outward spread, allowing Rf values to be calcul.. more
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Members only resource
PP142 - Thin layer chromatography; lipsticks
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This practical procedure outlines simple method for carrying out thin layer chromatography (TLC) to analyse lipsticks.
words matched: Rf
Members only resource
PP049 - Paper chromatography; the separation of pH indicators
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It is becoming increasingly difficult to determine the composition of food dyes in an unknown mixture, because formulations have been altered over time, and, as a consequence, the results never match .. more
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Members only resource
PP144 - Paper chromatography; biro inks
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This practical procedure outlines a simple, inexpensive and successful method for carrying out paper chromatography. The activity demonstrate how chromatography can be used to analyse biro inks.
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Members only resource
PP145 - Thin layer chromatography; biro inks
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This practical procedure outlines simple method for carrying out thin layer chromatography (TLC) to analyse biro inks.
words matched: Rf
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L195 - Safer chemicals, safer reactions
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An invaluable practical guide on how to safely undertake a range of visually and intellectually appealing chemical reactions. Includes alternatives to some traditional activities such as the thermit r.. more
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Members only resource
Handbook - Section 11 - General Science Topics
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Guidance on general topics including chromatography and electrophoresis, cryogenics, soldering and electrical connections, electrolysis, glass working, glues and adhesives, photography, using pupils a.. 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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E251g P6&7 Transition elements
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P6&7 Transition elements for giant periodic table
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Showing results 1 to 10 of 12
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