Chemical and Physical Methods for the Cultural Goods Conservation
A.Y. 2019/2020
Learning objectives
The course aims to provide a specific information about the main physico chemical methods that allow a characterization of crafts, produced with materials of biological and/or technological origin, the relevant modification related to their aging and/or to external factors, like atmospheric insults, chemical and microbiological aggression, as well as to damages produced by an inadequate conservation.
Expected learning outcomes
The student becomes familiar with physical properties used as parameters to evaluate the conservation and/or establish the restoration criteria of art crafts, with particular emphasis to thermodynamics, kinetics, rheology, spectroscopy, various kinds of microscopy and image analysis.
Lesson period: Second semester
Assessment methods: Esame
Assessment result: voto verbalizzato in trentesimi
Single course
This course cannot be attended as a single course. Please check our list of single courses to find the ones available for enrolment.
Course syllabus and organization
Single session
Responsible
Lesson period
Second semester
Course syllabus
1. Elements of Chemistry and Physical Chemistry
1.1 Chemical thermodynamics. Energy balance: first principle. System stability: second principle. Phase equilibria. Chemical equilibria. Phase diagrams.
1.2 Kinetics. Reaction rate. Order of reaction. Dependence of reaction rate on temperature.
1.3 Dispersed systems and interphases: emulsions; suspensions; foams.
2. Conformational transformations of biopolymers (carbohydrates, proteins).
2.1. Reversibility and transformation kinetics.
2.2 Effect on the characteristics of the artifacts.
3. Isothermal and temperature scanning micro-calorimetry
3.1 Principles of calorimetry.
3.2 Sampling criteria from artifacts.
3.3 Sensitivity of the method.
3.4 Coupling with other physical methods.
3.5 Dynamic Mechanical Analysis.
4. Viscoelasticity of materials (elements of deformation mechanics and rheology).
5. Structural and microstructural analysis.
5.1. Optical and electronic microscopy.
5.2 Raman Confocal Microscopy.
5.3. X-ray diffraction and absorption spectroscopy.
1.1 Chemical thermodynamics. Energy balance: first principle. System stability: second principle. Phase equilibria. Chemical equilibria. Phase diagrams.
1.2 Kinetics. Reaction rate. Order of reaction. Dependence of reaction rate on temperature.
1.3 Dispersed systems and interphases: emulsions; suspensions; foams.
2. Conformational transformations of biopolymers (carbohydrates, proteins).
2.1. Reversibility and transformation kinetics.
2.2 Effect on the characteristics of the artifacts.
3. Isothermal and temperature scanning micro-calorimetry
3.1 Principles of calorimetry.
3.2 Sampling criteria from artifacts.
3.3 Sensitivity of the method.
3.4 Coupling with other physical methods.
3.5 Dynamic Mechanical Analysis.
4. Viscoelasticity of materials (elements of deformation mechanics and rheology).
5. Structural and microstructural analysis.
5.1. Optical and electronic microscopy.
5.2 Raman Confocal Microscopy.
5.3. X-ray diffraction and absorption spectroscopy.
Prerequisites for admission
Basic knowledge of mathematics, physics and general chemistry
Teaching methods
Lectures and seminars
Attendance to lessons is strongly recomanded
Attendance to lessons is strongly recomanded
Teaching Resources
Slides of lessons supplied by the teachers and selected chapters of text books.
Assessment methods and Criteria
The exam consists in the oral presentation of a written report, chosen by the student, concerning diagnostic studies and conservation of cultural heritage present in the literature.
CHIM/02 - PHYSICAL CHEMISTRY - University credits: 9
Lessons: 72 hours
Professors:
Chiarello Gian Luca, Scavini Marco
Shifts:
Professor(s)
Reception:
from Monday to Thursday from 9.00 am to 05.00 pm, by appointment via email
videoconference or Chemistry Dept., wing C, ground floor, room R020