Studies on watercolour deacidification by means of the Bookkeeper preparation

Elżbieta Jeżewska; Joanna Kurkowska; Kamila Załęska; Anna Zatorska

doi:10.1117/12.2020347

30 May 2013 Studies on watercolour deacidification by means of the Bookkeeper preparation

Elżbieta Jeżewska, Joanna Kurkowska, Kamila Załęska, Anna Zatorska

Proceedings Volume 8790, Optics for Arts, Architecture, and Archaeology IV; 879013 (2013) https://doi.org/10.1117/12.2020347
Event: SPIE Optical Metrology 2013, 2013, Munich, Germany

Abstract

The aim of these studies is to check the possibilities of implementing the Bookkeeper method in order to deacidify the watercolours and other works of art that are sensitive to water and other solvents. The Bookkeeper method as one of the methods of mass decidification has been known for 30 years. In this time, the influence of deacidification by means of this method on physical and chemical properties of papers was discovered. Hence, in our studies we focus on studying the influence of this process on the permanence of colours used in watercolours and other works of art. We would like to present the first phase of the studies. It was focused on conducting the aging tests of the model samples prepared with the use of selected watercolours, on two different types of paper. Deacidified and non-deacidified samples were submitted to the aging process by irradiating them by means of the Xenotest 150S device. In order to estimate the colour change, the colour measurements in the CIE L*a* b* colour space were used. The measurements were performed by the Elrepho SF450 spectrophotometer, manufactured by Datacolor (Switzerland). The outcome of this phase of the studies allows us to proceed to the second phase – the deacidification attempts of the original works of art.

Citation Download Citation

Elżbieta Jeżewska, Joanna Kurkowska, Kamila Załęska, and Anna Zatorska "Studies on watercolour deacidification by means of the Bookkeeper preparation", Proc. SPIE 8790, Optics for Arts, Architecture, and Archaeology IV, 879013 (30 May 2013); https://doi.org/10.1117/12.2020347

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