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Treatment of a Nineteenth Century Ma...

Devesa, Joana Moura,

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Treatment of a Nineteenth Century Male Portrait in Oil Including the Characterisation of Materials, Technique and a Study of the Lead Soap Aggregation in the Paint Composite /

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Treatment of a Nineteenth Century Male Portrait in Oil Including the Characterisation of Materials, Technique and a Study of the Lead Soap Aggregation in the Paint Composite // Joana Moura Devesa.
作者:	Devesa, Joana Moura,
面頁冊數:	1 electronic resource (98 pages)
附註:	Source: Masters Abstracts International, Volume: 85-08.
Contained By:	Masters Abstracts International85-08.
標題:	Microscopy. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30838536
ISBN:	9798381660708

Treatment of a Nineteenth Century Male Portrait in Oil Including the Characterisation of Materials, Technique and a Study of the Lead Soap Aggregation in the Paint Composite /
Devesa, Joana Moura,

Treatment of a Nineteenth Century Male Portrait in Oil Including the Characterisation of Materials, Technique and a Study of the Lead Soap Aggregation in the Paint Composite /Joana Moura Devesa. - 1 electronic resource (98 pages)

Source: Masters Abstracts International, Volume: 85-08.

Este projecto envolveu o tratamento de um retrato a oleo do seculo XIX do Ecomuseu do Seixal (Portugal). A pintura de "Joao Luiz Lourenco" encontrava-se em muito mau estado de conservacao. Devido a variedade e gravidade dos problemas apresentados, esta ofereceu uma oportunidade de explorar aspectos importantes na area da conservacao de pintura. A abordagem ao tratamento da pintura exigiu uma investigacao empirica de um numero de materiais e tecnicas utilizadas no campo da conservacao/restauro. De interesse adicional, a pintura apresentava evidencias da presenca de agregados de saboes metalicos (carboxilatos de chumbo). Os materiais da pintura e os referidos agregados foram estudados e caracterizados por diferentes tecnicas analiticas: μ-EDXRF (Microespectroscopia de Fluorescencia de Raios X Dispersiva de Energias), μ-Raman (Microespectroscopia de Raman), μ-FTIR (Micro-espectroscopia de Infravermelho com Transformada de Fourier) e SEM-EDX (Microscopia Electronica de Varrimento com Espectroscopia de Raios X Dispersiva de Energias).Parte 1: descreve o estudo dos materiais e da tecnica da pintura e dos agregados de sabao metalicos presentes na camada de preparacao.A observacao de cortes transversais da pintura com o Microscopio Optico e com SEM-EDX revelou a presenca de dois agregados de chumbo visualmente distintos: uns completamente brancos, outros com um centro branco rodeado por distintas particulas vermelhas identificadas como vermelho de chumbo (minium: Pb3O4) por μ-Raman. A presenca destes dois tipos de agregados metalicos levanta questoes relacionadas com os materiais de origem destes e com o mecanismo de formacao/evolucao dos mesmos.Parte 2: descreve o projecto e implementacao do tratamento de conservacao/restauro.O tratamento da pintura levantou diversos desafios e envolveu a exploracao de metodos naotradicionais. Durante o tratamento, as consequencias de cada passo da intervencao foram cuidadosamente consideradas em relacao as etapas subsequentes. Todas as decisoes foram tomadas de acordo com os problemas de conservacao intrinsecos da pintura, com os materiais desta e em relacao ao futuro meio ambiente da pintura.

English

ISBN: 9798381660708Subjects--Topical Terms:

540544
Microscopy.

Treatment of a Nineteenth Century Male Portrait in Oil Including the Characterisation of Materials, Technique and a Study of the Lead Soap Aggregation in the Paint Composite /
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245 1 0 $a Treatment of a Nineteenth Century Male Portrait in Oil Including the Characterisation of Materials, Technique and a Study of the Lead Soap Aggregation in the Paint Composite / $c Joana Moura Devesa.
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520 $a Este projecto envolveu o tratamento de um retrato a oleo do seculo XIX do Ecomuseu do Seixal (Portugal). A pintura de "Joao Luiz Lourenco" encontrava-se em muito mau estado de conservacao. Devido a variedade e gravidade dos problemas apresentados, esta ofereceu uma oportunidade de explorar aspectos importantes na area da conservacao de pintura. A abordagem ao tratamento da pintura exigiu uma investigacao empirica de um numero de materiais e tecnicas utilizadas no campo da conservacao/restauro. De interesse adicional, a pintura apresentava evidencias da presenca de agregados de saboes metalicos (carboxilatos de chumbo). Os materiais da pintura e os referidos agregados foram estudados e caracterizados por diferentes tecnicas analiticas: μ-EDXRF (Microespectroscopia de Fluorescencia de Raios X Dispersiva de Energias), μ-Raman (Microespectroscopia de Raman), μ-FTIR (Micro-espectroscopia de Infravermelho com Transformada de Fourier) e SEM-EDX (Microscopia Electronica de Varrimento com Espectroscopia de Raios X Dispersiva de Energias).Parte 1: descreve o estudo dos materiais e da tecnica da pintura e dos agregados de sabao metalicos presentes na camada de preparacao.A observacao de cortes transversais da pintura com o Microscopio Optico e com SEM-EDX revelou a presenca de dois agregados de chumbo visualmente distintos: uns completamente brancos, outros com um centro branco rodeado por distintas particulas vermelhas identificadas como vermelho de chumbo (minium: Pb3O4) por μ-Raman. A presenca destes dois tipos de agregados metalicos levanta questoes relacionadas com os materiais de origem destes e com o mecanismo de formacao/evolucao dos mesmos.Parte 2: descreve o projecto e implementacao do tratamento de conservacao/restauro.O tratamento da pintura levantou diversos desafios e envolveu a exploracao de metodos naotradicionais. Durante o tratamento, as consequencias de cada passo da intervencao foram cuidadosamente consideradas em relacao as etapas subsequentes. Todas as decisoes foram tomadas de acordo com os problemas de conservacao intrinsecos da pintura, com os materiais desta e em relacao ao futuro meio ambiente da pintura.
520 $a This project involved the conservation of a 19th century portrait in oils from the Ecomuseu do Seixal (Portugal). The painting of "Joao Luiz Lourenco" was in very poor condition. Because of the range and severity of the problems presented, it offered an opportunity to explore important aspects of painting conservation in-depth. The approach to its treatment required an empirical investigation of a number of materials and techniques used in the field of conservation/restoration. Of additional interest, the painting exhibits widespread evidence of metal soap (lead carboxylate) aggregates protruding through the paint from the ground layer. The painting's materials and the metal soaps aggregates were studied and characterised with different analytical techniques: μ-EDXRF (Energy Dispersive X-ray Fluorescence), μ-Raman Spectroscopy, μ-FTIR (Fourier Transform Infrared Spectroscopy) and SEM-EDX (Electron Scanning Microscopy with Energy Dispersive X-ray Spectroscopy).Part 1: describes the study of the materials and the technique of the painting, and of the metal-soap aggregation within the painting's ground layer.Observation with the Optical Microscope and with SEM-EDX of paint/ground cross-sections reveals the presence of two visually distinct lead carboxylate aggregates: one, completely white, and the other with a white centre surrounded by distinct red particles identified as red lead (minium: Pb3O4) by μ-Raman. The presence of these two types raises questions about whether there are different starting materials for the aggregates or whether they could be in different states of evolution.Part 2: describes the design and implementation of the conservation/restoration treatment.The treatment of the painting raised challenges and at various stages involved the exploration of non-traditional methods. At every stage during the treatment the consequences of an intervention was carefully considered in relation to the subsequent steps. All decisions were taken according to the painting's intrinsic conservation problems and materials and with regard to the future environment of the painting.
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650 4 $a Adhesion. $3 818212
650 4 $a Bond strength. $3 3561041
650 4 $a Adhesives. $3 871837
650 4 $a Deformation. $2 lcstt $3 3267001
650 4 $a 19th century. $3 1972810
650 4 $a Microorganisms. $3 666946
650 4 $a Painting. $3 524049
650 4 $a Analytical chemistry. $3 3168300
650 4 $a Chemistry. $3 516420
650 4 $a Mathematics. $3 515831
650 4 $a Microbiology. $3 536250
650 4 $a Optics. $3 517925
650 4 $a Fungi. $3 571472
650 4 $a Wood. $3 540142
650 4 $a Iodine. $3 2147588
650 4 $a Humidity. $3 3559498
650 4 $a Soap. $3 3824266
650 4 $a Spectrum analysis. $3 520440
650 4 $a Fourier transforms. $3 3545926
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