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Chemistry course
The course will allow to: - acquire the basic knowledge for the identification of the most suitable techniques for the analysis of materials in mechanical, civil, and / or environmental (procedures and instrumentation); - develop basic skills in conducting simple experiments; - learn how to derive scientific conclusions from experimental observations; - learn how to prepare reports. The course will also allow students to verify their ability to work in a team.
Introduction to raw materials. Error theory. Analysis of materials. Spectrophotometric techniques. Vibrational spectroscopies. Chromatographic techniques. X-ray fluorescence techniques. Spectrophotometry laboratory experiments.
INTRODUCTORY LABORATORY TECHNIQUES (1 CFU) Raw materials and materials selection. Eco-Design strategies. Data collection and analysis. Errors theory. Safety Rules for Laboratory Work. How to analyze a sample. Introduction to materials analysis. Electromagnetic radiation interaction with matter. Writing a laboratory report.
Spectroscopy techniques (1 CFU) 1) Spectrophotometry. Introduction to Spectrophotometry. Schematic representation of a spectrophotometer. Absorbance and Transmittance Measurements. 2) Infrared specroscopy. Introduction to vibrational spectroscopies. Harmonic oscillator. Basic functional groups vibrations. Selection rules for Infrared active vibrations. 3) X-Ray fluorescence. Atomic energetic levels. Qualitative and quantitative determination. Fluorescence yield. Laboratory and in-situ instruments. Matrix effect. XRF applications and advantages. 4) Introduction to laboratory experiments and protocols presentation.
Laboratory experiments (1 CFU) Construction of a microscopy for smartphone. Construction of a portable spectrophotometer. Analysis of Infrared Spectra for materials determination. Making a calibration curve by spectrophotometry. Concentration determination of an unknown by spectrophotometry. Quantitative analysis of activated carbon pollutants adsorption (with kinetics evaluation). Cromatographic separation of pigment and qualitative spectrophotometry analysis.
SpringerBriefs in Applied Sciences and Technology 2017: Raw Materials Substitution Sustainability Authors: Elza Bontempi ISBN: 978-3-319-60830-3 (Print)
IL LABORATORIO CHIMICO, R. Morassi e G.P. Speroni, Piccin Editore, Padova
Lectures and frontal exercises alternated with individual exercises and laboratory activities for groups of students. Use of multimedia support for explanations (available on the MOODLE platform) and a database containing the physical, chemical, mechanical (etc.) properties of the materials.
The students, divided into groups, will have to prepare reports on the experiments made in the laboratory, in order to demonstrate the experimental skills, data analysis with consequent reasoned conclusions, and drafting reports, acquired during the course. The reports will also serve to test the ability of students to work in teams. Each student must then take a test to verify the theoretical knowledge of the techniques introduced. The second part of the exam can be done either through a written exam (on the Moodle platform), which will be proposed at the end of the course, or through an oral exam (which will take place in the examination dates). The outcome of the evaluation of the two tests will be expressed in thirtieths. The final grade will be obtained from the average. To pass the exam, in both tests the vote must correspond to at least 16/30 and the average must correspond to at least 18/30.
Students will be divided into groups in order to facilitate the explanation and execution of laboratory activities. Attendance to the course is essential to acquire the skills reported in the training objectives, and consequently to make the examination. During the course, practical examples about sustainability will be also introduced.