The limited impact of acetic acid in archives and libraries

Ligterink, Frank; Di Pietro, Giovanna (2018). The limited impact of acetic acid in archives and libraries Heritage Science, 6(59), pp. 1-12. Springer 10.1186/s40494-018-0225-y

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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.

Item Type:

Newspaper or Magazine Article

Division/Institute:

Bern Academy of the Arts
Bern Academy of the Arts > Institute Materiality in Art and Culture
Bern Academy of the Arts > HKB Teaching
Bern Academy of the Arts > Institute Materiality in Art and Culture > Präventive Konservierung

Name:

Ligterink, Frank and
Di Pietro, Giovanna0000-0002-0772-1084

Subjects:

N Fine Arts > NC Drawing Design Illustration
N Fine Arts > NE Print media
Q Science > QC Physics
Q Science > QD Chemistry

Publisher:

Springer

Funders:

[UNSPECIFIED] SNF
[UNSPECIFIED] Metamorfoze

Language:

English

Submitter:

dr. Giovanna Di Pietro

Date Deposited:

04 Oct 2019 11:54

Last Modified:

29 Sep 2021 10:45

Publisher DOI:

10.1186/s40494-018-0225-y

ARBOR DOI:

10.24451/arbor.6080

URI:

https://arbor.bfh.ch/id/eprint/6080

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