Teacher
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SALADINO Raffaele
(syllabus)
Program: Data quality: Main validation parameters of an analytical method: limits of detection and quantification, sensitivity, robustness, recovery and use of certified materials; concept of analytical uncertainty with reference to the legal limits and the interpretation of experimental data; expression of the analytical result; systematic and random contributions to uncertainty (Ministerial Decree 260/2010, Annex 1, Pages 29-30). Sampling and sample preparation: representativeness of the sampling in relation to the sampling technique used; sample storage; compatibility of the sample with instrumental techniques; sample pretreatment: liquid-liquid and liquid-solid extractions; sample purification. Principles of Organic Analytical Chemistry: Separation of mixtures: crystallization, extraction with solvents: extractions with supercritical fluids, distillation, chromatography. Chromatography: theoretical considerations, partition coefficient, resolution, concept of theoretical plate. Types of chromatography: adsorption, partitioning, ion exchange, exclusion. Chromatographic Methods: TLC, Gas Chromatography, HPLC. Spectroscopy: the electromagnetic spectrum, interaction between radiation and matter, effect of the chemical structure on absorption, Lambert-Beer law. Mass spectrometry. Main environmental fields of application of atomic and molecular spectroscopy: flame atomic absorption and graphite furnace; plasma spectroscopy, ICP-MS; UV-Vis, IR spectrophotometry. Calibration methods: external calibration, use of the internal standard, addition method. Environmental chemistry: water: alkalinity and acidity, oxidation, reduction, complexation and chelation reactions. Organic and inorganic pollutants: organic: hydrocarbons and polycyclic aromatic hydrocarbons (PAHs); polymers; oils and lubricants; Polychlorophenyls and their derivatives (polychlorinated biphenyls (PCBs), furans and dioxins); Surfactants: persistence, solubility, transport and hydrolytic reactivity. inorganic: N-NH4, N-NO3, total phosphorus and dissolved oxygen (LIMeco descriptor, DM 260/2010, annex 1, Pages 62-64). Laboratory exercises: liquid-liquid extraction, N-NH4, N-NO3 and Total Phosphorus analysis by spectrophotometry, Dissolved Oxygen analysis by titration, analysis of organic pollutants by GC-MS (Water Analytical Methods-APAT, IRSA).
(reference books)
Recommended Texts: Environmental Chemistry, Publishing House: Zanichelli; Author: C. Baird. Environmental Chemistry, Publishing House: Piccin; Author: S.E. Manahan. Spectrometric identification of organic compounds; Publisher: CEA; Author: R. M. Silverstein
The material used for the lessons of the course and for the exercises, such as the Ministerial Decree 260/2010 and its annexes and the Analytical Methods for APAT - IRSA / CNR waters, will be provided by the teacher. The teacher will inform the students at the beginning of the course of any links provided to access the teaching material. Non-attending students are encouraged to contact the teacher for information on the program, teaching materials and how to assess their achievement
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