Key to the conservation of calligraphy and painting relics in collection: proposing a lighting damage evaluation method

Abstract As an important supporting material for calligraphy and painting relics in collections, the silk substrate is generally in acidification. And owing to an extremely high light response, it is very prone to different forms of lighting damage, including color and mechanical aspects. Considerin...

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Main Authors: Zhihui Wei, Zhichao Feng, Huijiao Tan
Format: Article
Language:English
Published: SpringerOpen 2023-05-01
Series:Heritage Science
Subjects:
Online Access:https://doi.org/10.1186/s40494-023-00945-0
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author Zhihui Wei
Zhichao Feng
Huijiao Tan
author_facet Zhihui Wei
Zhichao Feng
Huijiao Tan
author_sort Zhihui Wei
collection DOAJ
description Abstract As an important supporting material for calligraphy and painting relics in collections, the silk substrate is generally in acidification. And owing to an extremely high light response, it is very prone to different forms of lighting damage, including color and mechanical aspects. Considering that the Light Emitting Diode (LED) with flexible spectral compositions is widely used in the lighting environment of collections, the spectral responsivity of acidified silk substrates is the core issue concerning the long-term conservation of calligraphy and painting relics. In this study, based on the accelerated aging experiment of nine narrowband LEDs with different wavelengths (λ) in the visible range on silk samples with different acidification degrees (pH values), the infrared spectrum was measured non periodically. Processed with the Principal Component Analysis (PCA), the obtained ΔPC1 was used to evaluate the lighting damage of silk samples. Based on the damage change curve, its spectral responsivity function, that is, the mathematical relationship between lighting damage and λ and pH values, was further fitted. Combined with the previous research on the spectral responsivity of colorants, an evaluation method for lighting damage was proposed, which is the key to the conservation of calligraphy and painting relics.
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spelling doaj.art-2a07f6f67e114fe9b23557e4c59cbc292023-05-28T11:24:39ZengSpringerOpenHeritage Science2050-74452023-05-0111111010.1186/s40494-023-00945-0Key to the conservation of calligraphy and painting relics in collection: proposing a lighting damage evaluation methodZhihui Wei0Zhichao Feng1Huijiao Tan2School of Social Development, Tianjin University of TechnologySchool of Social Development, Tianjin University of TechnologyTianjin Key Laboratory of Architectural Physics and Environmental Technology, School of Architecture, Tianjin UniversityAbstract As an important supporting material for calligraphy and painting relics in collections, the silk substrate is generally in acidification. And owing to an extremely high light response, it is very prone to different forms of lighting damage, including color and mechanical aspects. Considering that the Light Emitting Diode (LED) with flexible spectral compositions is widely used in the lighting environment of collections, the spectral responsivity of acidified silk substrates is the core issue concerning the long-term conservation of calligraphy and painting relics. In this study, based on the accelerated aging experiment of nine narrowband LEDs with different wavelengths (λ) in the visible range on silk samples with different acidification degrees (pH values), the infrared spectrum was measured non periodically. Processed with the Principal Component Analysis (PCA), the obtained ΔPC1 was used to evaluate the lighting damage of silk samples. Based on the damage change curve, its spectral responsivity function, that is, the mathematical relationship between lighting damage and λ and pH values, was further fitted. Combined with the previous research on the spectral responsivity of colorants, an evaluation method for lighting damage was proposed, which is the key to the conservation of calligraphy and painting relics.https://doi.org/10.1186/s40494-023-00945-0Calligraphy and painting relicsAcidified silk substratesLighting damageSpectral responsivityFTIRPCA
spellingShingle Zhihui Wei
Zhichao Feng
Huijiao Tan
Key to the conservation of calligraphy and painting relics in collection: proposing a lighting damage evaluation method
Heritage Science
Calligraphy and painting relics
Acidified silk substrates
Lighting damage
Spectral responsivity
FTIR
PCA
title Key to the conservation of calligraphy and painting relics in collection: proposing a lighting damage evaluation method
title_full Key to the conservation of calligraphy and painting relics in collection: proposing a lighting damage evaluation method
title_fullStr Key to the conservation of calligraphy and painting relics in collection: proposing a lighting damage evaluation method
title_full_unstemmed Key to the conservation of calligraphy and painting relics in collection: proposing a lighting damage evaluation method
title_short Key to the conservation of calligraphy and painting relics in collection: proposing a lighting damage evaluation method
title_sort key to the conservation of calligraphy and painting relics in collection proposing a lighting damage evaluation method
topic Calligraphy and painting relics
Acidified silk substrates
Lighting damage
Spectral responsivity
FTIR
PCA
url https://doi.org/10.1186/s40494-023-00945-0
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AT huijiaotan keytotheconservationofcalligraphyandpaintingrelicsincollectionproposingalightingdamageevaluationmethod