Condition before treatment:

1. •Dark discolouration of whites and highlights.
   

2. •Flaking and heavily raised paint within glazed and dark areas.
   

Treatment carried out:

1. •Transformation of discoloured lead white pigment (➞ lead sulphide) into lead sulphate (➞ white). See above.
   

2. •Consolidation of flaking paint layer. See below.
   

3. •Retouching of losses
   

                        The painting after treatment

Before...                               ...and after transformation.

Before...                                ...and after consolidation

                         ➫ return to index

➫ return to index