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Rediscovering the materials of Arraiolos tapestries: fibre and mordant analysis by SEM-EDS and μ-PIXE

Published online by Cambridge University Press:  03 October 2008

Ana Manhita ,
Cristina Costa ,
Teresa Ferreira ,
José Mirão ,
Helena Vargas ,
Isabel Ribeiro ,
Isabel Seruya ,
Teresa Pacheco ,
Luís Alves  and
António Candeias
Ana Manhita
Affiliation:
Universidade de Évora, Chemistry Department and Évora Chemistry Center, Rua Romão Ramalho 59, 7000-671 Évora, Portugal
Cristina Costa
Affiliation:
Universidade de Évora, Chemistry Department and Évora Chemistry Center, Rua Romão Ramalho 59, 7000-671 Évora, Portugal
Teresa Ferreira
Affiliation:
Universidade de Évora, Chemistry Department and Évora Chemistry Center, Rua Romão Ramalho 59, 7000-671 Évora, Portugal
José Mirão
Affiliation:
Universidade de Évora, Geosciences Department and Geophysics Center of Évora, Portugal
Helena Vargas
Affiliation:
Instituto dos Museus e da Conservação, R. Janelas Verdes 37, 1249-018 Lisboa, Portugal
Isabel Ribeiro
Affiliation:
Instituto dos Museus e da Conservação, R. Janelas Verdes 37, 1249-018 Lisboa, Portugal
Isabel Seruya
Affiliation:
Universidade Nova de Lisboa, Conservation and Restoration Department, 2819-516 Monte Caparica, Portugal
Teresa Pacheco
Affiliation:
Museu Nacional de Arte Antiga (MNAA), Rua das Janelas Verdes, 1249-017 Lisboa, Portugal
Luís Alves
Affiliation:
Instituto Tecnológico e Nuclear, Estrada Nacional 10, 2686-953 Sacavém, Portugal
António Candeias*
Affiliation:
Universidade de Évora, Chemistry Department and Évora Chemistry Center, Rua Romão Ramalho 59, 7000-671 Évora, Portugal
*
Corresponding author. E-mail: candeias@uevora.pt

Abstract

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Arraiolos tapestries are probably one of the richest artistic Portuguese expressions in terms of textile heritage. It is difficult to date the beginning of the production of rugs in Arraiolos (Southern Portugal), but they were already produced in the late 1600's as they are listed in the inventories of Portuguese aristocratic households in the beginning of the 18th century. Sensitive detection techniques play an increasing role in the chemical investigation of historical objects since the knowledge derived from the chemical composition of materials is of upmost importance for textile conservation and restoration purposes. Textiles deteriorate due to natural causes like heat, radiation, mechanical stress, moisture, microbiological and enzymatic attack. Deterioration of materials causes breakdown of the molecular structure and results in a loss of strength, extensibility and durability, discoloration and fading which affects the appearance of the textiles.

Type
Abstract
Information
Microscopy and Microanalysis , Volume 14 , Supplement S3 , September 2008 , pp. 91 - 94
Copyright
Copyright © Microscopy Society of America 2008