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Straightforward instructions on using a tap funnel, a piece of equipment used in several chemical preparations and investigations.
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This demonstration shows an important procedure in chemistry and industry, to separate a pure substance from a mixture of substances with widely differing boiling points. One important industrial exam..
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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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Provides templates for diultion streaking, and describes
how to do it.
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With careful supervision, students can carry a simple distillation to separate a pure substance (water) from a solution (copper(II) sulfate). This can be achieved by using a side-arm boiling tube inst..
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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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This guide has instructions on how to build your own 3D printed centrifuge.
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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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The synthesis and purification of a liquid organic compound is described. Practical techniques include, liquid-liquid separation, washing, drying and distillation. The % yield of the organic product c..
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Guidance on how to prepare chromatography solvents and locating agents.
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Showing results 1 to 10 of 239
