OVERVIEW

Aim of this class is to provide the basic knowledge of in-line control technique for the quality of the goods or of processes based on spectroscopical techniques.

LEARNING OUTCOMES

Aim of the class is to provide knowledge on the use of non-destructive optical methods for the investigation of polymer properties, catalysis, and of industrial processes. Remote detection techniques in the UV-Vis, NIR and MIR spectral ranges will be described.

AIMS AND LEARNING OUTCOMES

Fundamentals of UV-Vis-NIR-MIR and raman spectroscopies

Fundamentals on the use non destructive optical methods (light source, spectrometers, optical fibers, filters,monochromator and gratings) for the investigation of polymer properties, catalysis, and chemical processes both on lab and industrial scale.

In-line optical detection techniques in the UV-Vis, NIR and MIR spectral ranges.

PREREQUISITES

Basci knowledge on Chemical Sciences and spectroscopy

Teaching methods

Class lecture, demo-software, lab work. Powerpoint presentation of teacher and lab notes available from the University Web Site (AulaWEB).

SYLLABUS/CONTENT

•The electromagnetic spectrum and fundamental quantities, basic optics (refraction, reflection, transmission, polarization, interference, diffraction, gratings, optical fibers). Fundamentals light-matter interaction (UV-Vis absorption, NIR, MIR, photoluminescence, Raman). Basic information obtained in different spectral ranges with particular emphasis for the comparison between MIR and NIR.  Principles of common spectrometers in particular compact and transportable systems allowing collection and detection of signals by optical fibers. Use of the spectroscopic techniques (in particular those based on remote sensing) to probe the quality of industrial processes.

•Lab: Examples of main sampling collection techniques (transmission, reflection, ATR, DRIFT, PAS, Raman) for on-line process control. Interpretation of spectroscopic data.

RECOMMENDED READING/BIBLIOGRAPHY

Testi/Bibliografia (textbooks/Bibliography)

• Notes provided by the teacher and used for lessons and lab.

•N.B, Colthup, L.H. Daly, S.E. Wiberley, Introduction to Infrared and Raman Spectroscopy, Academic Press.

•H.W. Siesler, Y. Ozaki, S. Kawata, H.M. Heise, Near-Infrared Spectroscopy: principles, instruments, applications, Wiley (3rd reprint, 2006); ISBN: 3-527-30149-6.

•J. Workman, L. Weyer, Pratical Guide to Interpretative Near-Infrared Spectroscopy, CRC Press (2008, Boca Raton - FL, USA).

•Internal Reflection Spectroscopy, edited by F.M. Mirabella, Marcel Dekker Inc. (1993, New York, USA).

•Optical Fiber Sensor edited by K.T.V. Grattan and B.T. Meggit,  Kluwer Academic Publisher (1999, Dordrecht, The Netherlands).

•J.W. Niemantsverdriet, Spectroscopy in catalysis, Wiley-VCH.

Exam Board

DAVIDE COMORETTO (President)

PAOLA LOVA

MARINA ALLOISIO (President Substitute)

DARIO CAVALLO (Substitute)

Teaching methods

Class lecture, demo-software, lab work. Powerpoint presentation of teacher and lab notes available from the University Web Site (AulaWEB).

LESSONS START

SINCE IT IS IMPOSSIBLE TO PROVIDE A DEFINITIVE LESSON SCHEDULE NOW DUE TO THE COVID EMERGENCY AND PROVISIONS RELEASED BY UNIGE CONCERNING THE TEACHING ACTIVITY IN PHASE 3, WE STRONGLY RECCOMMEND THAT STUDENTS FREQUENTLY VISIT THE FOLLOWING WEBSITES FOR AN UPDATE https://corsi.unige.it/9020/p/studenti-orario; https://chimica.unige.it/node/390

Exam schedule