A Technical Study of Red Paints in the Retouching Layer of Some Wet-Collodion Glass Plate Negatives of Golestian Palace Photo Archive

[EN] This study presents a part of a research project on retouching wet Collodion and dry gelatine glass plate negatives from Golestan Palace photo archive in Tehran, Iran, dating from the mid-19th century. The collection belongs to Qajar era. This is a case study on the use of red paint in retouchi...

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Detalles Bibliográficos
Autores: Noohi, Sahar, Hadian-Dehkordi, Manijeh
Tipo de recurso: capítulo de libro
Fecha de publicación:2023
País:España
Institución:Universitat Politècnica de València (UPV)
Repositorio:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Idioma:inglés
OAI Identifier:oai:riunet.upv.es:10251/191549
Acceso en línea:https://riunet.upv.es/handle/10251/191549
Access Level:acceso abierto
Palabra clave:Collodion
Red Paint
Photography
Glass plate negatives
Retouching
Red color
Wet collodion
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spelling A Technical Study of Red Paints in the Retouching Layer of Some Wet-Collodion Glass Plate Negatives of Golestian Palace Photo ArchiveNoohi, SaharHadian-Dehkordi, ManijehCollodionRed PaintPhotographyGlass plate negativesRetouchingRed colorWet collodion[EN] This study presents a part of a research project on retouching wet Collodion and dry gelatine glass plate negatives from Golestan Palace photo archive in Tehran, Iran, dating from the mid-19th century. The collection belongs to Qajar era. This is a case study on the use of red paint in retouching wet collodion glass plate negatives and aims to help the understanding of retouching material and their application. Red paints in four retouched negatives, and also their binder, identified in this study by means of, micro Fourier transform infrared (µ-FTIR), scanning electron microscopy-energy dispersive spectroscopy (SEM-EDS) and stereo microscopy technique. Elemental analysis performed with (SEM-EDS) revealed the presence of Lead (Pb), and Iron (Fe) elements in the paint. Thus, red Iron & red Lead pigments were identified as the red paints. The results confirmed by micro Fourier transform infrared (µ-FTIR), and a natural resin (probably gum Arabic) is identified as the binder of all paints as well. Red Lead, is realized as a paint to cover the boundaries, create more brightness, and as a binder to adhere masking papers, to the intended areas. Red Iron, is also found as a paint to correct emulsion defects and, make a perfectly clear and clean sky or background. Apparently, all these choices have been made consciously. It is believed that this study will contribute much to better understanding of retouching materials and the need to preserve them.Editorial Universitat Politècnica de ValènciaRepositorio Institucional de la Universitat Politècnica de València Riunet20232023-01-11book parthttp://purl.org/coar/resource_type/c_3248VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/bookPartapplication/pdfhttps://riunet.upv.es/handle/10251/191549reponame:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valénciainstname:Universitat Politècnica de València (UPV)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2Reconocimiento - No comercial - Compartir igual (by-nc-sa) http://creativecommons.org/licenses/by-nc-sa/4.0/info:eu-repo/semantics/openAccessoai:riunet.upv.es:10251/1915492026-06-13T07:49:27Z
dc.title.none.fl_str_mv A Technical Study of Red Paints in the Retouching Layer of Some Wet-Collodion Glass Plate Negatives of Golestian Palace Photo Archive
title A Technical Study of Red Paints in the Retouching Layer of Some Wet-Collodion Glass Plate Negatives of Golestian Palace Photo Archive
spellingShingle A Technical Study of Red Paints in the Retouching Layer of Some Wet-Collodion Glass Plate Negatives of Golestian Palace Photo Archive
Noohi, Sahar
Collodion
Red Paint
Photography
Glass plate negatives
Retouching
Red color
Wet collodion
title_short A Technical Study of Red Paints in the Retouching Layer of Some Wet-Collodion Glass Plate Negatives of Golestian Palace Photo Archive
title_full A Technical Study of Red Paints in the Retouching Layer of Some Wet-Collodion Glass Plate Negatives of Golestian Palace Photo Archive
title_fullStr A Technical Study of Red Paints in the Retouching Layer of Some Wet-Collodion Glass Plate Negatives of Golestian Palace Photo Archive
title_full_unstemmed A Technical Study of Red Paints in the Retouching Layer of Some Wet-Collodion Glass Plate Negatives of Golestian Palace Photo Archive
title_sort A Technical Study of Red Paints in the Retouching Layer of Some Wet-Collodion Glass Plate Negatives of Golestian Palace Photo Archive
dc.creator.none.fl_str_mv Noohi, Sahar
Hadian-Dehkordi, Manijeh
author Noohi, Sahar
author_facet Noohi, Sahar
Hadian-Dehkordi, Manijeh
author_role author
author2 Hadian-Dehkordi, Manijeh
author2_role author
dc.contributor.none.fl_str_mv Repositorio Institucional de la Universitat Politècnica de València Riunet
dc.subject.none.fl_str_mv Collodion
Red Paint
Photography
Glass plate negatives
Retouching
Red color
Wet collodion
topic Collodion
Red Paint
Photography
Glass plate negatives
Retouching
Red color
Wet collodion
description [EN] This study presents a part of a research project on retouching wet Collodion and dry gelatine glass plate negatives from Golestan Palace photo archive in Tehran, Iran, dating from the mid-19th century. The collection belongs to Qajar era. This is a case study on the use of red paint in retouching wet collodion glass plate negatives and aims to help the understanding of retouching material and their application. Red paints in four retouched negatives, and also their binder, identified in this study by means of, micro Fourier transform infrared (µ-FTIR), scanning electron microscopy-energy dispersive spectroscopy (SEM-EDS) and stereo microscopy technique. Elemental analysis performed with (SEM-EDS) revealed the presence of Lead (Pb), and Iron (Fe) elements in the paint. Thus, red Iron & red Lead pigments were identified as the red paints. The results confirmed by micro Fourier transform infrared (µ-FTIR), and a natural resin (probably gum Arabic) is identified as the binder of all paints as well. Red Lead, is realized as a paint to cover the boundaries, create more brightness, and as a binder to adhere masking papers, to the intended areas. Red Iron, is also found as a paint to correct emulsion defects and, make a perfectly clear and clean sky or background. Apparently, all these choices have been made consciously. It is believed that this study will contribute much to better understanding of retouching materials and the need to preserve them.
publishDate 2023
dc.date.none.fl_str_mv 2023
2023-01-11
dc.type.none.fl_str_mv book part
http://purl.org/coar/resource_type/c_3248
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/bookPart
format bookPart
dc.identifier.none.fl_str_mv https://riunet.upv.es/handle/10251/191549
url https://riunet.upv.es/handle/10251/191549
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Reconocimiento - No comercial - Compartir igual (by-nc-sa)
http://creativecommons.org/licenses/by-nc-sa/4.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Reconocimiento - No comercial - Compartir igual (by-nc-sa)
http://creativecommons.org/licenses/by-nc-sa/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Editorial Universitat Politècnica de València
publisher.none.fl_str_mv Editorial Universitat Politècnica de València
dc.source.none.fl_str_mv reponame:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname:Universitat Politècnica de València (UPV)
instname_str Universitat Politècnica de València (UPV)
reponame_str RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
collection RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,300724

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