Sökning: id:"swepub:oai:gup.ub.gu.se/293951" >
The multi-analytica...
The multi-analytical in situ analysis of cadmium-based pigments in plastics
-
Angelin, Eva Mariasole (författare)
-
Ghirardello, Marta (författare)
-
Babo, Sara (författare)
-
visa fler...
-
Picollo, Marcello (författare)
-
Chelazzi, Laura (författare)
-
Melo, Maria João (författare)
-
- Nevin, Austin, 1978 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för kulturvård,Department of Conservation
-
Valentini, Gianluca (författare)
-
Comelli, Daniela (författare)
-
visa färre...
-
(creator_code:org_t)
- Elsevier BV, 2020
- 2020
- Engelska.
-
Ingår i: Microchemical Journal. - : Elsevier BV. - 0026-265X. ; 157
- Relaterad länk:
-
https://gup.ub.gu.se...
-
visa fler...
-
https://doi.org/10.1...
-
visa färre...
Abstract
Ämnesord
Stäng
- © 2020 Elsevier B.V. Colorants are present in trace concentration in objects made of plastic and their identification is a methodological and analytical challenge. In conservation, the identification of colorants may allow a better understanding of colorant degradation (such as color change and fading) and provide information about the historical development, production and processing of plastics. Although micro-destructive analytical protocols are well established for the analysis of colorants, in cultural heritage, where in situ methodologies are preferred and, in some cases, mandatory, new approaches are greatly needed. In this work, an in situ multi-analytical approach is used to specifically study inorganic cadmium-based pigments that were commonly used for coloring plastics during the 20th c. First introduced as vivid artists’ pigments, cadmium-based additives were used for coloring plastics because of their exceptional performance properties. Eighteen colored polymethyl methacrylate (PMMA) samples, produced in the second half of the 20th c. by the company Plásticos do Sado (Portugal), were studied with a combination of optical microscopy, colorimetry, UV–Vis-NIR diffuse reflectance, laser-induced photoluminescence, vibrational (µ-Raman) and elemental (µ-EDXRF) spectroscopies. On the basis of complementary data, the chemical composition of most of the coloring agents employed in the acrylic samples were identified without any micro-sampling.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Husbyggnad (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Building Technologies (hsv//eng)
- NATURVETENSKAP -- Kemi -- Analytisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Analytical Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Annan kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Other Chemistry Topics (hsv//eng)
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
Nyckelord
- Cadmium pigments
- Cultural heritage
- Laser-induced photoluminescence
- Plastic artefacts
- Raman microscopy
- UV–Vis-NIR diffuse reflectance spectroscopy
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
Hitta via bibliotek
Till lärosätets databas
- Av författaren/redakt...
-
Angelin, Eva Mar ...
-
Ghirardello, Mar ...
-
Babo, Sara
-
Picollo, Marcell ...
-
Chelazzi, Laura
-
Melo, Maria João
-
visa fler...
-
Nevin, Austin, 1 ...
-
Valentini, Gianl ...
-
Comelli, Daniela
-
visa färre...
- Om ämnet
-
- TEKNIK OCH TEKNOLOGIER
-
TEKNIK OCH TEKNO ...
-
och Samhällsbyggnads ...
-
och Husbyggnad
-
- NATURVETENSKAP
-
NATURVETENSKAP
-
och Kemi
-
och Analytisk kemi
-
- NATURVETENSKAP
-
NATURVETENSKAP
-
och Kemi
-
och Annan kemi
-
- NATURVETENSKAP
-
NATURVETENSKAP
-
och Kemi
-
och Oorganisk kemi
- Artiklar i publikationen
-
Microchemical Jo ...
- Av lärosätet
-
Göteborgs universitet