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A guide describing some simple, inexpensive and successful methods for carrying out paper and thin layer chromatography, illustrated with examples using biro ink and lipstick.
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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.
words matched: chromatography
Guidance on general topics including chromatography and electrophoresis, cryogenics, soldering and electrical connections, electrolysis, glass working, glues and adhesives, photography, using pupils a..
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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 ..
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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..
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This edition includes advice on using phenolphthalein, and notes on CLEAPSS YouTube videos, a radioactivity update, ventilation in chemical stores, hepatitis, laboratory water supplies, a chromatograp..
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A summary of queries to CLEAPSS concerning suggested practical activities which either did not work or were unduly hazardous. Ways around these problems are either included within this document or in ..
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Risk assessment information for ninhydrin and ninhydrin solutions or sprays.
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This guide gives general advice about ovens, mini ovens, and air fryers, and their use in school science departments.
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This video demonstrates an easy procedure to carry out chomatography of leaf chloroplast.
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Showing results 1 to 10 of 47