Cysteine as a non toxic corrosion inhibitor for copper alloys in conservation

Bidragets oversatte titel: Cystein som ikke-toksisk korrosionsinhibitor anvendt til konservering af kobberlegeringer

Mari Gravgaard, Jettie van Lanschot

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Resumé

The aim of this work is to examine cysteine as an alternative to
benzotriazole (BTA) for the conservation of archaeological objects
with bronze disease. Investigation of the two inhibitors involved the
use of electrochemical techniques, measurements of weight change
in high humidity and comparative studies of colour changes in the corrosion
products. The results obtained in this article demonstrate that
cysteine could be a non-toxic alternative to BTA. Cysteine performed
as well as BTA on pre-corroded coupons with bronze disease in high
humidity and showed acceptable results during testing for colour
alteration on real archaeological objects.
OriginalsprogEngelsk
TidsskriftJournal of the Institute of Conservation
Vol/bind35
Udgave nummer1
Sider (fra-til)14-24
Antal sider10
ISSN1945-5232
DOI
StatusUdgivet - 4 okt. 2012

Emneord

  • konservering af kobberlegeringer, inhibitorer, elektrokemi

Kunstnerisk udviklingsvirksomhed (KUV)

  • Nej

Citer dette

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Cysteine as a non toxic corrosion inhibitor for copper alloys in conservation. / Gravgaard, Mari; van Lanschot, Jettie.

I: Journal of the Institute of Conservation, Bind 35, Nr. 1, 04.10.2012, s. 14-24.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

TY - JOUR

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AU - Gravgaard, Mari

AU - van Lanschot, Jettie

PY - 2012/10/4

Y1 - 2012/10/4

N2 - The aim of this work is to examine cysteine as an alternative tobenzotriazole (BTA) for the conservation of archaeological objectswith bronze disease. Investigation of the two inhibitors involved theuse of electrochemical techniques, measurements of weight changein high humidity and comparative studies of colour changes in the corrosionproducts. The results obtained in this article demonstrate thatcysteine could be a non-toxic alternative to BTA. Cysteine performedas well as BTA on pre-corroded coupons with bronze disease in highhumidity and showed acceptable results during testing for colouralteration on real archaeological objects.

AB - The aim of this work is to examine cysteine as an alternative tobenzotriazole (BTA) for the conservation of archaeological objectswith bronze disease. Investigation of the two inhibitors involved theuse of electrochemical techniques, measurements of weight changein high humidity and comparative studies of colour changes in the corrosionproducts. The results obtained in this article demonstrate thatcysteine could be a non-toxic alternative to BTA. Cysteine performedas well as BTA on pre-corroded coupons with bronze disease in highhumidity and showed acceptable results during testing for colouralteration on real archaeological objects.

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DO - 10.1080/19455224.2012.681618

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