Can Van Gogh's Greyed Flowers Be Restored Through Square MM's?

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Discussion Overview

The discussion revolves around the restoration of Vincent van Gogh's painting "Greyed Flowers," specifically addressing the challenges posed by chemical reactions between the paint and varnish, as well as the potential methods for restoration.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • Some participants suggest that the discoloration of the paint may be due to a chemical reaction with the varnish, while others question whether removing the varnish will also eliminate the reacted paint.
  • There is a proposal regarding the replacement of varnish as a restoration method, but uncertainty remains about its effectiveness in addressing the discoloration of the pigment.
  • One participant notes the difficulty of selectively removing lead from the pigment, indicating that the success of restoration may depend on the specific composition of the materials involved.
  • Another viewpoint suggests that restoration may need to be conducted in small sections (square mm's), which could prolong the process significantly, contrasting with van Gogh's prolific painting output.

Areas of Agreement / Disagreement

Participants express differing opinions on the effectiveness of varnish removal and the challenges of pigment restoration, indicating that multiple competing views remain without consensus.

Contextual Notes

Limitations include uncertainty regarding the exact chemical interactions at play, the specific composition of the paint and varnish, and the feasibility of selective pigment restoration.

Andre
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from old age, maybe but also due to a chemical reaction between the paint and the varnish

story

Interesting pics:

van-gogh-flowers-2.jpg


Source

How can this be restored?
 
Chemistry news on Phys.org
Andre said:
How can this be restored?

They already suggested varnish replacement, didn't they?
 
Borek said:
They already suggested varnish replacement, didn't they?

sure, but will the reacted paint also disappear with removing the varnish?
 
No idea. If the pigment is not removed, its discoloration should not change. Selectively removing lead from the pigment can be difficult (although it doesn't have to be impossible, a lot depends on the exact composition of all substances involved).
 
Right, maybe it has to be restored with square mm's at the time, which may take months if not years. A bit weird considering that Vincent van Gogh painted oh several dozens paintings a month with a peak of 80, the month before his death
 

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