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Gypsum crystals
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Welcome to SaltWikiSaltWiki is an editorially maintained specialist website with German and English information on the following topics:
Among other things, this information will help you to understand expert opinions or to plan measures. Become an author and share your knowledge or support this worldwide transfer of knowledge by becoming a member of the Salze im Kulturgut (SIK) association, which is a research association. A support of the Deutschen Forschungsgemeinschaft (DFG) enabled the realization at the Hornemann Institute of the HAWK in Hildesheim until 2012. |
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Theme of the quarterSalts in display cases[edit]Brief insight: The display cases in museums usually have a defined relative humidity in order to create optimal climatic conditions for exhibited objects. This can be influenced by various methods. These include electrical air conditioning devices, humidity buffers but also saturated salt solutions. Literature: Looking for authors : Do you have any experience in the field of salts in display cases? If so, you can write a text or add new information and send it to info.salzwiki@gmail.com. We will then complete the article so it is available for all of our users! |
EventsCRYSPOM VIII / 13-15 June 2023 in Ghent (Belgium)[edit]The Biannual International workshop Crystallization in Porous Media CRYSPOM focuses on fundamental research of crystallization in porous materials. It unites researchers from geoengineering, geology, physics, chemistry, mechanics and conservation interested in crystal nucleation, growth and transport in porous media and its related consequences.
The idea is to bring together leading researchers and Ph.D. students to provide for a constructive and open dialogue. Also, it seeks to incite collaborations between theorists, modelists and experimentalists on an international level. CRYSPOM results from a long-standing tradition. The workshop was founded by Prof. Noushine Shahidzadeh in 2008 in Paris, and subsequently took place in Brienz (Switzerland, 2010), Troia (Portugal, 2012), Amsterdam (The Netherlands, 2014), Toulouse (France, 2016), Hamburg (Germany, 2018) and Pau (France 2021). The registration and abstract submission for CRYSPOM VIII in Ghent (13th – 15th of June 2023) is NOW OPEN! Deadline for the early bird registration and abstract submission is February 13th 2023. Please go to http://www.cryspom8.ugent.be to find all information regarding the conference and registering and to find the abstract template.Workshop "Damaging salts in objects of cultural and architectural heritage"[edit]September 11-15, 2023, Kartause Mauerbach near Vienna INITIAL NOTICE WITH INVITATION TO REGISTRATION
Soluble salts are a serious threat to the existence of numerous objects of architectural heritage and cultural assets. The basis for the professional planning of measures is a fundamental understanding of the responsible damage factors and processes, which relates the latest scientific findings to the problems in practice. While specialist conferences and publications largely illuminate partial aspects of the topic, this workshop aims to provide first-hand basic knowledge of the behavior of soluble salts and the practical handling of object-specific analysis data in the concentrated working atmosphere of a three-day event. Although this usually does not mean that the problem has been solved, it is an essential prerequisite for planning suitable measures. The event consists of the 3-day workshop (module 1), which is followed by an all-day lecture event for a larger group of participants (module 2) and a day of excursions in Vienna (module 3). These modules can be booked together or individually. You can find more information [here].SWBSS ASIA 2023 on September 20-22, 2023 in Nara, Japan[edit]SWBSS is the conference series “Salt Weathering of Buildings and Stone Sculptures”, started in 2008. The conference aims at bringing together conservators, restorers, engineers, architects, academics, students and experienced researchers and to contribute thereby to the promotion of research and development within the field of salt weathering of porous materials.
Its previous series were held in Copenhagen (2008), Limassol (2011), Brussel (2014), Potsdam (2017), and Delft (2021). An idea of SWBSS ASIA as the conference series to be held in Asian countries was proposed at Potsdam in 2017 and its first meeting, SWBSS ASIA 2023, was announced at Delft in 2021. SWBSS ASIA 2023 will be held at Nara, Japan, on September 20-22, 2023. Taking into account the very recent world situation, the conference is currently planned to take place in person. However depending on COVID-19 situations, travelling and participation in person might be subjected to difficult restrictions again. In that case, hybrid form will be taken. Even then, you will be welcome to Nara, Japan; online participation is also possible. Please note that the same registration fees apply to in-person and online participation. The deadline for abstract submission is December 31, 2022. Please submit abstracts as a .docx or .pdf file (please find attached the template for abstract). Abstracts should not exceed 500 words; a maximum of two figures is allowed; and 3 to 5 keywords should be reported. Abstracts should be sent by e-mail to secretariat@swbss-asia-2023.com. Please include the surname of the corresponding author in the name of the file (e.g. “SWBSS ASIA 2023_Surname.docx”) and in the subject of your e-mail (e.g. “SWBSS ASIA 2023 abstract - Surname”). The conference will be held at Nara National Research Institute for Cultural Properties (Nara, Japan) on September 20 - 22, 2023. Registration will open in February, 2023, and specific information will follow. For further information, please visit the conference website https://swbss-asia-2023.com/. If you have any questions, please feel free to contact us at secretariat@swbss-asia-2023.com. |
LiteratureGodts, S., Orr, S.A., Steiger, M. et al. Salt mixtures in stone weathering. Sci Rep 13, 13306 (2023). https://doi.org/10.1038/s41598-023-40590-y Godts, S.; Steiger, M.; Orr, S.A.; Stahlbuhk, A.; Desarnaud, J.; De Clercq, H.; Cnudde, V.; De Kock, T. Modeling Salt Behavior with ECOS/RUNSALT: Terminology, Methodology, Limitations, and Solutions. Heritage ( 2022) 5, 3648-3663. https://doi.org/10.3390/heritage5040190 Lubelli, B., Rörig-Daalgard, I., Aguilar, A.M. et al. Recommendation of RILEM TC 271-ASC: New accelerated test procedure for the assessment of resistance of natural stone and fired-clay brick units against salt crystallization. Mater Struct 56, 101 (2023). https://doi.org/10.1617/s11527-023-02158-0 Eggert, G.: Saturated salt solutions in showcases: humidity control and pollutant absorption. Heritage Science, 10 (53) (2022). https://doi.org/10.1186/s40494-022-00689-3 Germinario, L.; Oguchi, C.T.: Gypsum, mirabilite, and thenardite efflorescences of tuff stone in the underground environment. Environ Earth Sci 81, 242 (2022). https://doi.org/10.1007/s12665-022-10344-6: Link to PDF: https://rdcu.be/cZdVP Godts, S.; Steiger, M.; Orr, S.A. et al.: Charge balance calculations for mixed salt systems applied to a large dataset from the built environment. Sci Data 9, 324 (2022). https://doi.org/10.1038/s41597-022-01445-9. Link to PDF: https://rdcu.be/cZdWY Eggert, G., Fischer, A. (2021): The formation of formates: a review of metal formates on heritage objects. Herit Sci 9, 26 (2021). https://doi.org/10.1186/s40494-021-00499-z Shen, Y. Linnow, K. and Steiger, M.: Crystallization Behavior and Damage Potential of Na2SO4–NaCl Mixtures in Porous Building Materials: Cryst. Growth Des. 2020, 20, 9, 5974–5985, https://doi.org/10.1021/acs.cgd.0c00671 Granneman, S.J.C.; Lubelli, B.; van Hees, R.P.J.: Effect of mixed in crystallization modifiers on the resistance of lime mortar against NaCl and Na2SO4 crystallization. Construction and Building Materials , vol.194, S.62-70, 2019, https://doi.org/10.1016/j.conbuildmat.2018.11.006 Andreotti, S.; Franzoni, E.; Ruiz-Agudo, E.; Scherer, G.W.; Fabbri, P.; Sassoni, E.; Rodriguez-Navarro, C.: New polymer-based treatments for the prevention of damage by salt crystallization in stone. Materials , 52 (17), Webadresse, https://doi.org/10.1617/s11527-018-1309-6 Sögütoglu, L.; Steiger, M.; Houben, J.; Biemans, D.; Fischer, H.R.; Donkers, P.; Huinink, H.; and Adan, O.: Understanding the Hydration Process of Salts: The Impact of a Nucleation Barrier, Cryst. Growth Des., Article ASAP, DOI: 10.1021/acs.cgd.8b01908, Publication Date (Web): February 14, 2019, https://pubs.acs.org/doi/10.1021/acs.cgd.8b01908 Vazquez, P.; Thomachot-Schneider, C.; Mouhoubi, K.; Bodnar, J-L.; Avdelidis, N. P.; Charles, D.; Benavente, D. Sodium sulfate crystallisation monitoring using IR Thermography (2018): Infrared Physics & Technology Volume 89, March 2018, Pages 231-241, https://doi.org/10.1016/j.infrared.2018.01.011, http://dspace.lib.cranfield.ac.uk/handle/1826/12944
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