Mid-infrared spectroscopy for characterization of Baltic amber (succinite)

Natural Baltic amber (succinite) is the most appreciated fossil resin of the rich cultural traditions dating back to prehistoric times. Its unequivocal identification is extremely important in many branches of science and trades including archeology, paleontology, chemistry and finally mineralogical...

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Bibliographic Details
Published in:Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy Molecular and biomolecular spectroscopy, 2018-05, Vol.196, p.418-431
Main Author: Wagner-Wysiecka, Ewa
Format: Article
Language:English
Subjects:
Baltic amber
Identification
Mid-infrared spectroscopy
Modified succinite
Natural succinite
Properties
Succinite
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Summary:Natural Baltic amber (succinite) is the most appreciated fossil resin of the rich cultural traditions dating back to prehistoric times. Its unequivocal identification is extremely important in many branches of science and trades including archeology, paleontology, chemistry and finally mineralogical and gemological societies. Current methods of modification of natural succinite are more and more sophisticated making the identification of natural Baltic amber often challenging. In article the systematic analytical approach for identification of natural and modified under different conditions succinite, using mid-infrared spectroscopy (transmission, Drifts and ATR techniques) is presented. The correlation between spectral characteristics and properties of succinite is discussed pointing that the understanding of the nature of changes is the key of identification of this precious material. [Display omitted] •Natural Baltic amber (succinite) was characterized by infrared spectroscopy.•Different FT-IR techniques (transmission, reflection) were compared.•Systematic approach for identification of modified amber was proposed.•Relationship between spectral characteristics and structural changes was proposed.
ISSN:1386-1425
DOI:10.1016/j.saa.2018.02.053