The limited impact of acetic acid in archives and libraries

Abstract For over two decades the exposure of paper heritage collections to outdoor and indoor generated gaseous pollutants has been perceived as an important threat to their preservation. Following explicit or implicit advise from conservation science, many archives, libraries and museums have impl...

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Main Authors: Frank Ligterink, Giovanna Di Pietro
Format: Article
Language:English
Published: SpringerOpen 2018-10-01
Series:Heritage Science
Subjects:
Online Access:http://link.springer.com/article/10.1186/s40494-018-0225-y
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author Frank Ligterink
Giovanna Di Pietro
author_facet Frank Ligterink
Giovanna Di Pietro
author_sort Frank Ligterink
collection DOAJ
description Abstract For over two decades the exposure of paper heritage collections to outdoor and indoor generated gaseous pollutants has been perceived as an important threat to their preservation. Following explicit or implicit advise from conservation science, many archives, libraries and museums have implemented special chemical filtration units to prevent possible pollution induced damage. The most abundant, potentially harmful, indoor generated pollutant found in paper loaded storage rooms is acetic acid. Acids are known to promote the chemical degradation of cellulose, the major constituent of paper. These combined facts make clear why acetic acid has received much attention by conservation science as a prime suspect pollutant causing paper degradation. However, new experimental evidence contradicts the claim that acetic acid in typical storage situations causes significant damage to paper heritage. In this study a mathematical model is presented that expresses our understanding of the causal chain of processes connecting acetic acid exposure to paper damage. The model simply combines existing partial models describing (1) the transfer of acetic acid through air, (2) the pH response of paper and (3) the kinetics of acid-catalyzed hydrolytic depolymerization. The model makes apparent that the impact of acetic acid on archival and library collections is rather limited and poses an insignificant risk and as such requires a re-evaluation of existing data.
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spelling doaj.art-46c5919df9804d3080a3f34edb6374362022-12-22T02:02:21ZengSpringerOpenHeritage Science2050-74452018-10-016111210.1186/s40494-018-0225-yThe limited impact of acetic acid in archives and librariesFrank Ligterink0Giovanna Di Pietro1Cultural Heritage Agency of the NetherlandsBern University of Applied SciencesAbstract For over two decades the exposure of paper heritage collections to outdoor and indoor generated gaseous pollutants has been perceived as an important threat to their preservation. Following explicit or implicit advise from conservation science, many archives, libraries and museums have implemented special chemical filtration units to prevent possible pollution induced damage. The most abundant, potentially harmful, indoor generated pollutant found in paper loaded storage rooms is acetic acid. Acids are known to promote the chemical degradation of cellulose, the major constituent of paper. These combined facts make clear why acetic acid has received much attention by conservation science as a prime suspect pollutant causing paper degradation. However, new experimental evidence contradicts the claim that acetic acid in typical storage situations causes significant damage to paper heritage. In this study a mathematical model is presented that expresses our understanding of the causal chain of processes connecting acetic acid exposure to paper damage. The model simply combines existing partial models describing (1) the transfer of acetic acid through air, (2) the pH response of paper and (3) the kinetics of acid-catalyzed hydrolytic depolymerization. The model makes apparent that the impact of acetic acid on archival and library collections is rather limited and poses an insignificant risk and as such requires a re-evaluation of existing data.http://link.springer.com/article/10.1186/s40494-018-0225-yIndoor air pollutionPaper heritageAcetic acidEthanoic acidHydrolysisCross-contamination
spellingShingle Frank Ligterink
Giovanna Di Pietro
The limited impact of acetic acid in archives and libraries
Heritage Science
Indoor air pollution
Paper heritage
Acetic acid
Ethanoic acid
Hydrolysis
Cross-contamination
title The limited impact of acetic acid in archives and libraries
title_full The limited impact of acetic acid in archives and libraries
title_fullStr The limited impact of acetic acid in archives and libraries
title_full_unstemmed The limited impact of acetic acid in archives and libraries
title_short The limited impact of acetic acid in archives and libraries
title_sort limited impact of acetic acid in archives and libraries
topic Indoor air pollution
Paper heritage
Acetic acid
Ethanoic acid
Hydrolysis
Cross-contamination
url http://link.springer.com/article/10.1186/s40494-018-0225-y
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