Providing a basic knowledge of the most important chemical principles in Analytical chemistry, especially concerning ionic equilibria in aqueous solution. Introducing the statistic/chemometric techniques necessary for processing the experimental data acquired in a laboratory of analytical chemistry Providing the practical information for operating in a chemical laboratory at didactic level.
Expected learning outcomes
The student will be able to calculate concentrations in solution from equilibrium constants by a systematic approach. The student will be able to use the basic statistical/chemometric techniques required for extracting/ elaborating / optimising the information collected by experimental measurements. The student will be able to practice the most basic laboratory operations.
Introduction to analytical chemistry. The overall analytical procedure. Chemical equilibrium. Acids and bases. Calculations of equilibria in aqueous solution by solving simultaneous equations: pH of solutions containing strong or weak acid and bases, acidic salts, polyprotic acids, buffers. Precipitation and solubility. Complexes and chelates. Mixed equilibria. Theory and application of acid-base, precipitation and complexation titrations. Introduction to electrochemistry. Electrodes and electrode potentials. Nernst's equation. Electrodes classification Potentiometry. pH measurement. Operative definition of pH. Chemicals, glassware and analytical balances. Safety in the chemical laboratory. Foundations of Chemometry. Signal and noise. Errors in chemical analyses. Processing of analytical data (significance tests, calibration). Procedures for improving experimental data quality. Laboratory experiments (acid-base and complexation titrations).
Dispense fornite dal docente (piattaforma Ariel). Chimica Analitica e Analisi Quantitativa, Hage & Carr, Piccin, 2012.