LABORATORIO DI TECNICHE ANALITICHE AMBIENTALI - COSTITUZIONE CHIMICA DELLE MATRICI AMBIENTALIModule LABORATORIO DI TECNICHE ANALITICHE AMBIENTALI
Academic Year 2025/2026 - Teacher: ALESSANDRO GIUFFRIDAExpected Learning Outcomes
Provide a solid background in chemical principles that are particularly important for Analytical Chemistry. Provide the basic knowledge of the solution equilibria, volumetric and gravimetric analysis, and use of common instrumental methods in analytical chemistry. The course is also aimed to develope the right analytical sensitivity required for the chemical laboratory.
Knowledge and understanding: The aim of the course is to provide a first framework for the overall synthesis of analytical chemistry, addressing principally the fundamentals and the use of some of the most important instrumental quantitative techniques of analysis.
Applying knowledge and understanding: Ability to understand, design, implement and adapt an analysis process from sampling to final data processing.
Making judgements: Ability to analyze and critical evaluations, ability to interpret analytical data and synthesis of new and complex ideas;
Communication skills: Ability to expose the topics covered with terminological rigor and language properties, also making use of multimedia presentations.
Learning skills: Ability to tackle advanced studies with a high degree of autonomy.
Course Structure
The course is held in co-teaching with Dr. V. Greco for n. 3 CFU of laboratory.
The course will be carried out through a first part of lectures to provide the student with the basic background for entering the laboratory, and a part of the laboratory that includes participated lessons, simulations and quantitative analysis with single and group work typology.
Should teaching be carried out in mixed mode or remotely, it may be necessary to introduce changes with respect to previous statements, in line with the programme planned and outlined in the syllabus.
Information for students with disabilities and/or SLD:
To guarantee equal opportunities and in compliance with the laws in force, interested students can ask for a personal interview in order to plan any compensatory and / or dispensatory measures, based on the didactic objectives and specific needs.
It is also possible to contact the CInAP referent (Center for Active and Participatory Integration - Services for Disabilities and / or SLD) of our Department, prof.ssa Santina Chiechio.
According to the RDA, Art. 12 - University Credits (CFU), the standard workload of 25 hours of total commitment by the student, corresponding to one credit, may include:
a) 7 hours dedicated to lectures or equivalent teaching activities and the remainder to individual study; b) at least 12 and no more than 15 hours dedicated to classroom exercises or equivalent assisted activities (laboratories) and the remainder to study and personal revision;
b) at least 12 and no more than 15 hours dedicated to classroom exercises or equivalent assisted activities (laboratories) and the remainder to study and personal revision;
Required Prerequisites
Attendance of Lessons
Detailed Course Content
Introduction of the course. Statistics. Errors in Analytical Chemistry. Presentation of results. Equilibria in solution. Acid-Base equilibria, equilibria of precipitation, of complexation and redox. Selection of Analytical Method. Precision, accuracy, sensitivity. Laboratory instruments: Analytical balance and glassware. General information on titrations. Preparation of standard solutions. standardization procedures. Definition of primary standard. Calibration of laboratory glassware, standardization of HCl solutions with sodium carbonate, acid-base titrations, complexometric titrations, titration with EDTA. Determination of Ca2 + and Mg2 +. complexometric determination of Cu (II), determination of water hardness. Redox titrations. Iodimetry and iodometry. Iodimetric determination of ascorbic acid. Iodometric determination of potassium iodate content in the food iodized salt. Spectrophotometric determination of caffeine and paracetamol. In addition, the principles and use of common instrumental methods in Analytical Chemistry will be discussed, with particular regard to the areas of spectroscopy and saparation techniques.
Textbook Information
Freseir & Fernando: Gli Equilibri Ionici nella Chimica Analitica - Piccin Editore, Padova. Kolthoff, Sandell, Meehan e Bruckenstein: Analisi Chimica Quantitativa. Vol. 1 e Vol. 2 - Piccin Editore, Padova. Skoog, West, Holler: Chimica Analitica , EdiSES srl. A.D. Skoog, Holler: Chimica Analitica Strumentale, Crouch Edizione: II / 2009.
Skoog, Holler, Crouch, Principles of instrumental analysis - VII ed. Thomson Brooks/Cole, 2007.
D. C. Harris, Quantitative Chemical Analysis, 9th ed. W.H. Freeman and Company, New York, US, 2016.
Course Planning
| Subjects | Text References | |
|---|---|---|
| 1 | Scelta del metodo analitico. Strumenti di misura, precisione, sensibilità. Presentazione dei risultati. Analisi gravimetrica. Analisi per precipitazione. Formazione di precipitati. Determinazione gravimetrica del nichel mediante dimetilgliossima. | I. M. Kolthoff, E. B. Sandell, E. J. Meehan e S. Bruckenstein: Analisi Chimica Quantitativa. Vol. 1 e Vol. 2 - Piccin Nuova Libraria, Padova. |
| 2 | Generalità sulle titolazioni. Preparazione delle soluzioni standard. Standard primari. Procedure di standardizzazione. Titolazioni acido base. Impiego di Na2B4O7.10H2O in determinazione acidimetricche e alcalimetriche. Determinazione del titolo di acidi | I. M. Kolthoff, E. B. Sandell, E. J. Meehan e S. Bruckenstein: Analisi Chimica Quantitativa. Vol. 1 e Vol. 2 - Piccin Nuova Libraria, Padova. |
| 3 | Titolazioni complessometriche. Titolazioni con EDTA. Determinazione del Cu2+. Durezza di un'acqua, determinazione della durezza per via complessometrica. | I. M. Kolthoff, E. B. Sandell, E. J. Meehan e S. Bruckenstein: Analisi Chimica Quantitativa. Vol. 1 e Vol. 2 - Piccin Nuova Libraria, Padova. |
| 4 | Titolazioni redox. Iodometria e iodimetria. | I. M. Kolthoff, E. B. Sandell, E. J. Meehan e S. Bruckenstein: Analisi Chimica Quantitativa. Vol. 1 e Vol. 2 - Piccin Nuova Libraria, Padova. |
| 5 | Spettroscopia UV-Vis, curve di calibrazione, legge di Beer, determinazione spettrofotometrica di caffeina e paracetamolo. | I. M. Kolthoff, E. B. Sandell, E. J. Meehan e S. Bruckenstein: Analisi Chimica Quantitativa. Vol. 1 e Vol. 2 - Piccin Nuova Libraria, Padova. |
Learning Assessment
Learning Assessment Procedures
Oral Examination. Verification of learning may also be conducted electronically, should conditions require it.
The vote is expressed in thirtieths according to the following scheme:
Unsuitable
Knowledge and understanding of the subject: significant gaps and inaccuracies
Ability to analyse and synthesise: irrelevant, frequent generalisations
Use of references: completely inappropriate
18-20
Knowledge and understanding of the subject: very modest, obvious imperfections
Ability to analyse and synthesise: barely sufficient
Use of references: barely appropriate
21-23
Knowledge and understanding of the topic: slightly more than adequate knowledge
Ability to analyse and synthesise: reasonable ability to analyse and synthesise, argues logically and
coherently
Use of references: uses standard references
24-26
Knowledge and understanding of the subject: good knowledge
Ability to analyse and synthesise: good ability to analyse and synthesise, arguments are presented
coherently
Use of references: uses standard references
27-29
Knowledge and understanding of the subject: more than good knowledge
Ability to analyse and synthesise: has remarkable analytical and synthesis skills
Use of references: has explored the topics in depth
30-30 with honours
Knowledge and understanding of the subject: excellent knowledge
Ability to analyse and synthesise: has remarkable analytical and synthesis skills.
Use of references: significant insights.
Examination appeals can be viewed at the following link: https://www.dsf.unict.it/it/corsi/l-29_sfa/calendario-esami;
Information for students with disabilities and/or DSA:
As a guarantee of equal opportunity and in compliance with current laws, interested students may request a personal interview so as to plan any compensatory and/or dispensatory measures, based on the educational objectives and specific needs.
It is also possible to contact the CInAP (Center for Active and Participatory Integration-Services for Disabilities and/or DSAs) contact teacher of our Department, Prof. Santina Chiechio
Examples of frequently asked questions and / or exercises
Rigorous calculation of the pH of an aqueous solution of weak electrolytes;