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Zakrzewski, Robert; Skowron, Monika; Ciesielski, Witold; Rembisz, Zaneta – Journal of Chemical Education, 2016
The laboratory experiment challenges students to determine 6-propyl-2-thiouracil (PTU) based on Prussian blue complex formation. Prussian blue is formed by ferricyanide and Fe(II) ions which are generated in situ from Fe(III) ions reduced by PTU. The absorbance of this product was measured at a wavelength of 840 nm, after a reaction time of 30…
Descriptors: Science Instruction, Science Laboratories, Science Experiments, Laboratory Experiments
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Stowe, Ryan; Elvey, Jacob – Science Teacher, 2016
Chemistry in high school is often presented as a jumbled mass of topics drawn from inorganic, analytical, and physical sub-disciplines. With no central theme to build on, students may have trouble grasping the chemical sciences as a coherent field. In this article, Stowe and Elvey describe an activity that integrates different facets of chemistry…
Descriptors: Computer Assisted Design, Chemistry, Biochemistry, Molecular Biology