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Direct linkPires, Joa~o – Journal of Chemical Education, 2015
A laboratory experiment is described in which a simple characterization of a historical lime mortar is made by the determination of its approximate composition by a gravimetric method. Fourier transform infrared (FTIR) spectroscopy and X-ray diffraction (XRD) are also used for the qualitative characterization of the lime mortar components. These…
Descriptors: Laboratory Experiments, Program Descriptions, Spectroscopy, Qualitative Research
Withey, Jonathan M.; Bajic, Andrea – Journal of Chemical Education, 2015
A novel procedure is described where students use COMU [(1-cyano-2-ethoxy-2-oxoethylidenaminooxy)dimethylamino-morpholino-carbenium hexafluorophosphate], as a nonhazardous partner, in the one-pot coupling of a carboxylic acid and amine producing N,N-diethyl-3-methylbenzamide (DEET). Fundamental principles of carbonyl reactivity are understood,…
Descriptors: Organic Chemistry, Undergraduate Students, Introductory Courses, Laboratory Experiments
Bussie`re, Guillaume; Stoodley, Robin; Yajima, Kano; Bagai, Abhimanyu; Popowich, Aleksandra K.; Matthews, Nicholas E. – Journal of Chemical Education, 2014
Although vacuum technology is essential to many aspects of modern physical and analytical chemistry, vacuum experiments are rarely the focus of undergraduate laboratories. We describe an experiment that introduces students to vacuum science and mass spectrometry. The students first assemble a vacuum system, including a mass spectrometer. While…
Descriptors: Spectroscopy, Hands on Science, Undergraduate Students, Laboratory Experiments
