{"title":"Restoration of the Information on De-colourized Architectural Cyanotypes","authors":"Sawako Sentoku, Keiko Kida","doi":"10.1515/res-2023-0022","DOIUrl":null,"url":null,"abstract":"\n Cyanotypes are known to de-colourize with alkalis; however, not much research has been done to regain the lost information. This research examines two possibilities to bring back the information: one is to utilize elemental mapping by X-ray fluorescence spectroscopy analysis to regain the image non-invasively, and the second, to treat the cyanotype with acidic solutions. Both methods brought back the image to the extent that the information could be obtained. As photo reproductions, one of their greatest values is the information they convey. This research could be significant in that it opens possibilities to regain the lost information.","PeriodicalId":21154,"journal":{"name":"Restaurator. International Journal for the Preservation of Library and Archival Material","volume":null,"pages":null},"PeriodicalIF":0.7000,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Restaurator. International Journal for the Preservation of Library and Archival Material","FirstCategoryId":"91","ListUrlMain":"https://doi.org/10.1515/res-2023-0022","RegionNum":4,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"INFORMATION SCIENCE & LIBRARY SCIENCE","Score":null,"Total":0}
引用次数: 0
Abstract
Cyanotypes are known to de-colourize with alkalis; however, not much research has been done to regain the lost information. This research examines two possibilities to bring back the information: one is to utilize elemental mapping by X-ray fluorescence spectroscopy analysis to regain the image non-invasively, and the second, to treat the cyanotype with acidic solutions. Both methods brought back the image to the extent that the information could be obtained. As photo reproductions, one of their greatest values is the information they convey. This research could be significant in that it opens possibilities to regain the lost information.
众所周知，青花瓷在碱性物质的作用下会脱色，然而，对于如何恢复丢失的信息却没有太多的研究。本研究探讨了恢复信息的两种可能性：一是利用 X 射线荧光光谱分析元素图谱，以非侵入方式恢复图像；二是用酸性溶液处理青花图。这两种方法都能在一定程度上还原图像信息。作为照片复制品，它们的最大价值之一就是所传递的信息。这项研究的意义在于，它为重新获得丢失的信息提供了可能性。
期刊介绍：
Restaurator is the only international periodical specializing exclusively in the conservation of library and archive materials. Articles examine the many important aspects of this subject area, such as technology, practical experience and organization. They also focus on scientific basics: Many articles deal with the development of new preservation techniques and the improvement and better understanding of established methods. The articles are written in English with summaries in English, French and German. By reading Restaurator regularly, librarians, archivists and restorers can keep up to date with the latest research and developments. The editorial committee is made up of experts from well-known institutions and organizations from all over the world
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