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Simple instructions on how to teach students to use a volumetric pipette correctly.
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During this challenge-based activity visiting children learn to follow a written method and pipette dropwise without contaminating samples.
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How to make and replace broken pipettes in dropping bottles. Uses straight forward glass working techniques.
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Promotes the use of microscale (very small scale) practical activities by describing and explaining equipment and techniques used. Illustrates these with instructions for several common organic chemi..
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Guidance on teaching students effective titration technique.
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This edition includes notes on a prosecution of a school for an accident in D&T, an accident involving a collapsing drinks can, a safety tip for using steam engines, keeping and studying brine shr..
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This edition includes notes on the prosecution of a school triggered by a student's shirt catching fire in a science lesson, an accident with a pipette filler, difficulties obtaining dissection materi..
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This important procedure illustrates the conversion of saturated hydrocarbons, which are used for fuels, into the more chemically useful unsaturated hydrocarbons, used in making plastics. The alkenes ..
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Testing for organic functional groups: unsaturation or double bonds
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This procedure outlines how to observe lysis and crenation of red blood cells using different concentrations of saline solutions.
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Showing results 1 to 10 of 176
