Saturation Tests

Additional tests were performed in the upper half of the painting to assess the condition of the varnish. Changes in temperature and humidity can accelerate degradation processes in the varnish, creating areas that appear "frosty" or undersaturated/blanched.

Saturation Tests

Performed saturation tests to determine the condition of paint layer (under varnish) on the upper half of painting

Before


After

By temporarily saturating these areas with organic solvents, the team found that the paint and ground layers were intact beneath the degraded surface coating.

After