Il corso si propone di fornire le basi teoriche e le conoscenze pratiche necessarie ad applicare con successo le tecniche analitiche tradizionali e di avanguardia per le analisi di materiali geologici.
Expected learning outcomes
Lesson period: Second semester
(In case of multiple editions, please check the period, as it may vary)
ROCKS, MINERALS AND FLUIDS ANALYSES AND PRACTICALS Theoretical principles of quantitative and instrumental analysis of earth science materials. Preparation of material: physical methods (grinding, sieving, separation of minerals) and chemical methods for the pretreatment (dissolution and melting). Potentiometry and volumetric analysis applied to water (pH, conductivity, alkalinity and hardness) and rock (determination of bivalent iron). Spectrometry theoretical principles. UV-Vis spectrometry. Atomic absorption spectrometry. Theoretical principles. Instrumentation. Analytical applications: quantitative analysis, interference, sensitivity. Atomic emission spectrometry with inductively coupled plasma. Theoretical principles. Instrumentation. Analytical Applications: qualitative analysis, quantitative analysis, interference. Short accounts on mass spectrometry. Infrared Spectroscopy X-ray fluorescence spectrometry. Theoretical principles. Instrumentation. Qualitative analysis. Quantitative analysis, matrix effects. Electron microprobe. Theoretical principles. Instrumentation. WDS and EDS analysis. Formulas of minerals. Conversion between analysis and chemical formulas. Crystal chemical formulas. X-ray powder diffraction: The physics of diffraction. Description of the main diffraction techniques used in the laboratory. Using powder diffraction techniques in materials characterization, with special emphasis on diagnostic and quantitative analysis of the phases. The powder diffractometer: operation and use. Transmission electron microscopy (TEM): instrumentation and applications. Short accounts on other techniques: chromatography and neutron activation. Short accounts on the statistical treatment of analytical data.