Versão em português
N.º 23
2016
pp. 25-34

 

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Article
Bright lights: disclosures from the optical, spectroscopic and chromatographic characterization of a 19th century Portuguese sedan chair

Catarina Miguel1,*, Ana Raquel Bispo2, Beatriz Gonçalves2, Diogo Marques2, Inês Faria2, Maria das Dores Macias2, Nuno Neves2, Nádia Silva2, Vanessa Rocha2, António Santos Silva3

1 HERCULES Laboratory, Institute for Advanced Studies and Research, Évora University, Largo Marquês de Marialva 8, 7000-676 Évora, Portugal

2 Fundação Ricardo Espírito Santo Silva-Escola Superior de Artes Decorativas, Rua João de Oliveira Miguens 80, 1350-187 Lisboa, Portugal

3 Laboratório Nacional de Engenharia Civil, Avenida do Brasil 101, 1700-066 Lisboa, Portugal

* cpm@uevora.pt

Abstract

The Fundação Ricardo Espírito Santo Silva (FRESS) as the mission of defend, train, study, develop and implement Portuguese Fine Arts in Portugal. This paper reflects the process of Conservation-Restoration training, where students apply the most recent analytical techniques to the characterization of artwork towards enabling and supporting conservation intervention. In this study, the materials used to produce a 19th century sedan chair were characterised by optical microscopy, spectroscopic (SEM-EDS, -Raman and FTIR-imaging) and chromatographic (HPLC-DAD/MS) techniques. The use of natural and synthetic dyes was identified in textiles found inside the chair, including cochineal, brazilwood and fuchsine. Several paint layers with different colours and compounds, such as barite, calcium carbonate, lead white, hematite and Prussian blue, were identified in the external painted wood surface of the chair. The variety of identified materials, interspersed between layers of animal glue, reflects the different interventions that took place on the chair over time, supporting the intervention strategies reported/prescribed for the conservation-restoration procedure.

Keywords

Sedan chair
Dyes
Pigments
Spectroscopy
Chromatography

Language

English

DOI

10.14568/cp2016001

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Citation

Conservar Património | APA | Chicago | NP405 | ABNT

Conservar Património:
Miguel, C.; Bispo, A. R.; Gonçalves, B.; Marques, D.; Faria, I.; Macias, M. D.; Neves, N.; Silva, N.; Rocha, V.; Silva, A. S., 'Bright lights: disclosures from the optical, spectroscopic and chromatographic characterization of a 19th century Portuguese sedan chair', Conservar Património 23 (2016) 25-34, https://doi.org/10.14568/cp2016001.

APA:
Miguel, C., Bispo, A. R., Gonçalves, B., Marques, D., Faria, I., Macias, M. D., Neves, N., Silva, N., Rocha, V., & Silva, A. S. (2016). Bright lights: disclosures from the optical, spectroscopic and chromatographic characterization of a 19th century Portuguese sedan chair. Conservar Património, 23 25-34. DOI:10.14568/cp2016001.

Chicago:
Miguel, Catarina, Ana Raquel Bispo, Beatriz Gonçalves, Diogo Marques, Inês Faria, Maria das Dores Macias, Nuno Neves, Nádia Silva, Vanessa Rocha, and António Santos Silva. 2016. "Bright lights: disclosures from the optical, spectroscopic and chromatographic characterization of a 19th century Portuguese sedan chair." Conservar Património 23:25-34. doi:10.14568/cp2016001.

NP405:
MIGUEL, Catarina [et al.] – Bright lights: disclosures from the optical, spectroscopic and chromatographic characterization of a 19th century Portuguese sedan chair. Conservar Património. [Em linha]. 23 (2016) 25-34 [Consult. ]. Disponível em WWW: <URL:https://doi.org/10.14568/cp2016001>. ISSN 21829942.

ABNT:
MIGUEL, Catarina et al. Bright lights: disclosures from the optical, spectroscopic and chromatographic characterization of a 19th century Portuguese sedan chair. Conservar Património, Lisboa, v. 23, p. 25-34, 2016. Disponível em: <https://doi.org/10.14568/cp2016001>. Acesso em: .

History

Received: 2016-1-25
Revised: 2016-4-5
Accepted: 2016-5-9
Online: 2016-7-19
Publication: 2016-7-28

References

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Stable url: https://doi.org/10.14568/cp2016001


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