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Cleaning library documents with a two-phase spray.
Mašková, Ludmila ; Smolík, Jiří ; Vávrová, P. ; Neoralová, J. ; Součková, M. ; Novotná, D. ; Jandová, Věra ; Ondráček, Jakub ; Ondráčková, Lucie ; Křížová, T. ; Kocová, K.
The cleaning of particles from library materials (paper, textile, and collagen materials) using a high-speed CO2 snow jet was investigated. The measurements included\ndetermination of the cleaning efficiency, and evaluation of possible adverse effects. The method was compared with nitrogen jet cleaning. The results showed that the CO2 snow\njet is able to effectively remove particles from the surfaces. Any adverse effects were not observed at paper and textile. However, application on collagen materials caused\ndegradation of the surface.
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Methodology for cleaning paper, textiles and collagen materials using the two-phase spray of CO2 snow particles in the carrier gas stream.
Mašková, Ludmila ; Smolík, Jiří ; Vávrová, P. ; Součková, M. ; Neoralová, J. ; Novotná, D. ; Jandová, Věra ; Ondráček, Jakub ; Ondráčková, Lucie ; Křížová, T. ; Kocová, K.
The aim of this methodology was to create a set of procedures and recommendations for library and archive staff or restorers, using which it is possible to remove dust particles from the surface of paper, textiles and collagen materials using the two-phase spray of CO2 snow particles in the carrier gas. The result is an effective and safe alternative to existing cleaning methods. Furthermore, the research aimed to compare the results of this type of treatment with commonly used mechanical cleaning procedures for library collections and archival documents and to analyse in detail the potential use of the new method.
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Methodology for removing dust particles from the surface of paper, collagen materials and textiles using the TEA CO2 laser.
Mašková, Ludmila ; Jandová, Věra ; Vávrová, P. ; Součková, M. ; Neoralová, J. ; Novotná, D. ; Fajgar, Radek ; Smolík, Jiří ; Křížová, T. ; Kocová, K.
The aim of this methodology was to develop a set of procedures and recommendations for cleaning materials frequently represented in library collections, using which it will be possible to use pulse infrared TEA CO2 laser to remove dust particles from their surface. The basic requirement is to effectively remove surface contamination without damaging the treated material. For this purpose, a threshold irradiation intensity is established at which the ablation of the surface dirt begins and a threshold irradiation intensity at which the degradation of the library materials. The result is an effective and safe alternative to existing cleaning methods. Furthermore, the aim was to compare the results of this type of treatment of library materials with traditional mechanical cleaning procedures and thus analyse the possible potential of the new method.\n\n
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Methodology of cleaning paper, textiles and collagen materials using thr two-phase spray of CO2 snow particles in the carrier gas stream
Mašková, Ludmila ; Smolík, Jiří ; Vávrová, Petra ; Součková, Magda ; Neoralová, Jitka ; Novotná, Dana ; Jandová, Věra ; Ondráček, Jakub ; Ondráčková, Lucie ; Křížová, Tereza ; Kocová, Kateřina
Cílem této metodiky bylo vytvořit soubor postupů a doporučení pro pracovníky knihoven a archivů či pro restaurátory, s jejichž využitím je možné pomocí dvoufázového spreje sněhových částic CO2 v nosném plynu odstraňovat prachové částice z povrchu papíru, textilu a kolagenních materiálů. Výsledkem je efektivní a bezpečná alternativa ke stávajícím metodám čištění.
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