Learning outcomes of the course unit
to provide the basic concept of the classical chemical analysis for the first year students
Course contents summary
Analytical principles of thermodynamics of the chemical equilibria, homogeneous and heterogeneous equilibria, distribution functions, calculations about equilibrium concentrations. Activity and concentration. Solubility of ionic compounds, solubility product, effect of the common ion. Fractioned precipitation by pH control. Partitioning equilibria. Analytical principles of redox equilibria, potentials of the galvanic cells. Direct and indirect potentiometry, potentiometric sensors. Complex formation equilibria, chelates, distribution diagrams for complexation equilibria. Interaction between solubility, protonation, complexation, redox and partitioning equilibria. Applications in the recognition and separation of cations and anions, reactivity tests in the classical qualitative analysis. Principles of quantitative analysis. Principles and applications of volumetric analysis. Acid-base titrations, precipitation titrations, redox titrations, complexometric titrations. Principles and applications of gravimetric analysis. Evaluation of the errors in measurements: random and systematic errors.
Recommended textbooks: D.A. Skoog, D.M. West, F.J. Holler, Fondamenti di Chimica Analitica EdiSES, Napoli; D.C. Harris, Chimica Analitica Quantitativa, Zanichelli, Bologna
Teaching methodology: frontal lectures and exercises (4 credits); laboratory exercitations (2 credits)
Examination method: written and oral examination
Teaching language: Italian