Accelerated tobacco smoke staining on waterborne acrylic paintings caused by exuding surfactants.

The S.M.A.K.'s collection represents a large part of Belgian painter Raoul De Keyser's early oeuvre. The painting titled 'Camping II' began to show brown stains in the white monochrome parts of the work, while the other colours remained unaffected. Marieke Verboven (paintings restorer S.M.A.K.) partnered with Steven Saverwijns and Wim Fremout (scientists at the K.I.K., Brussels) to determine the origin and composition of these brown stains.

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The results of the study, as well as the conservation strategy that follows, are described in this article (text is in English).

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