Creating a Material Spectral Library for Plaster and Mortar Material Determination

Historic object analysis and the knowledge of composition play an important role in restoration processes. Based on this information, restoration works are conducted. This paper introduces a non-invasive technique of plaster and mortar material decomposition using reflectance spectroscopy. For this...

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Autores principales:	Eva Matoušková, Karel Pavelka, Saleem Ibrahim
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	reflectance spectroscopy spectral library material decomposition Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/99b3d35791f04b6a852b7623a6d866ca
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spelling	oai:doaj.org-article:99b3d35791f04b6a852b7623a6d866ca2021-11-25T18:15:47ZCreating a Material Spectral Library for Plaster and Mortar Material Determination10.3390/ma142270301996-1944https://doaj.org/article/99b3d35791f04b6a852b7623a6d866ca2021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/22/7030https://doaj.org/toc/1996-1944Historic object analysis and the knowledge of composition play an important role in restoration processes. Based on this information, restoration works are conducted. This paper introduces a non-invasive technique of plaster and mortar material decomposition using reflectance spectroscopy. For this purpose, a NIRQuest512-2,5 from Ocean Optics<sup>®</sup>/Ocean Insight<sup>®</sup>, is used to create a unique spectral library consisting of various materials. They were carefully selected to include those that were and still are commonly used for a plaster and mortar production. Each material of the spectral library was mapped in detail, verified using scanning electronic microscope (SEM) data, and the results were compared to a previously determined spectral signature. The new spectral library was then tested on 11 unknown plaster and mortar samples and verified using a scanning electronic microscope. It was found that reflectance spectroscopy provides a powerful tool for plaster and mortar material decomposition, although at the moment it cannot fully replace invasive techniques like chemical analyses or other invasive techniques. It provides relevant information that can be used for restoration works.Eva MatouškováKarel PavelkaSaleem IbrahimMDPI AGarticlereflectance spectroscopyspectral librarymaterial decompositionTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 7030, p 7030 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	reflectance spectroscopy spectral library material decomposition Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	reflectance spectroscopy spectral library material decomposition Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Eva Matoušková Karel Pavelka Saleem Ibrahim Creating a Material Spectral Library for Plaster and Mortar Material Determination
description	Historic object analysis and the knowledge of composition play an important role in restoration processes. Based on this information, restoration works are conducted. This paper introduces a non-invasive technique of plaster and mortar material decomposition using reflectance spectroscopy. For this purpose, a NIRQuest512-2,5 from Ocean Optics<sup>®</sup>/Ocean Insight<sup>®</sup>, is used to create a unique spectral library consisting of various materials. They were carefully selected to include those that were and still are commonly used for a plaster and mortar production. Each material of the spectral library was mapped in detail, verified using scanning electronic microscope (SEM) data, and the results were compared to a previously determined spectral signature. The new spectral library was then tested on 11 unknown plaster and mortar samples and verified using a scanning electronic microscope. It was found that reflectance spectroscopy provides a powerful tool for plaster and mortar material decomposition, although at the moment it cannot fully replace invasive techniques like chemical analyses or other invasive techniques. It provides relevant information that can be used for restoration works.
format	article
author	Eva Matoušková Karel Pavelka Saleem Ibrahim
author_facet	Eva Matoušková Karel Pavelka Saleem Ibrahim
author_sort	Eva Matoušková
title	Creating a Material Spectral Library for Plaster and Mortar Material Determination
title_short	Creating a Material Spectral Library for Plaster and Mortar Material Determination
title_full	Creating a Material Spectral Library for Plaster and Mortar Material Determination
title_fullStr	Creating a Material Spectral Library for Plaster and Mortar Material Determination
title_full_unstemmed	Creating a Material Spectral Library for Plaster and Mortar Material Determination
title_sort	creating a material spectral library for plaster and mortar material determination
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/99b3d35791f04b6a852b7623a6d866ca
work_keys_str_mv	AT evamatouskova creatingamaterialspectrallibraryforplasterandmortarmaterialdetermination AT karelpavelka creatingamaterialspectrallibraryforplasterandmortarmaterialdetermination AT saleemibrahim creatingamaterialspectrallibraryforplasterandmortarmaterialdetermination
_version_	1718411398051004416

Creating a Material Spectral Library for Plaster and Mortar Material Determination

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