Experiment 1, Beer-Lambert Law and Identification of an Unknown Mixture
Students learn about qualitative and quantitative analyses using the absorption spectrometer simulator.
Experiment 2, Beer-Lambert Law and Determination of the Aromatic Label Loading in a Synthetic Polymer
Students can determine the amount of aromatic dye in various synthetic polymer samples.
Experiment 3, UV-Vis Absorption Spectrometer Simulator & a Library of Compounds
A library of compounds in solution can be prepared in a virtual flask and examined using the absorption spectrometer simulator. Everything from food dyes through to transition metal complexes from simple aromatics to complex dyes. Supervisors can make up complex mixtures and allocate to individual students.
Experiment 4, Beer-Lambert Law and the Kinetics of the Crystal Violet-Sodium Hydroxide Reaction
Students can examine the kinetic behvaiour of this reaction and determine the rate law using the absorption spectrometer simulator. More information.
Experiment 5, Beer-Lambert Law and the Temperature Dependence of the Crystal Violet-Sodium Hydroxide Reaction
Students can examine the temperature behaviour of this reaction using the absorption spectrometer simulator. More information.
Experiment 6, Beer-Lambert Law and Determination of the Level of Aspirin in a Blood Sample & Tablet
Let your students play detective! and determine the dose of aspirin in a blood sample & in an unknown tablet taken from the scene of a suspected overdose. The highly coloured complex which forms between sodium acetylsalicylate and iron (iii) chloride is used to detect the level of aspirin in various samples via absorption spectroscopy. More information.
Experiment 7, Ultraviolet-Visible Absorption Spectroscopy & Colour in Chemical Solutions
An introductory experiment on UV-Vis Spectroscopy : students find out about the relationship between colour and spectra. Various food dyes and transition metal complexes are examined using the spectrometer simulator and students can build up their own spectrochemical series. A Beer-Lambert experiment can be performed to determine the concentration of an unknown chromium nitrate sample allocated by their supervisor. More information.
Each experiment comes with access to a virtual laboratory with all of the chemicals, and apparatus necessary to perform the experiment and of course an absorption spectrometer simulator!
Documents include lecture notes covering the basic concepts behind each experiment, an experimental procedure for students and model answers for supervisors.
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