Posts

Color alterations

The primary function of the finishing varnish layer is to protect the paint from external agents. Contact with air and pollution can lead to …

Macrophotography

Macrophotography should not be considered an important investigation technique only when it is combined with other examinations: the possibility of isolating small areas of the work and …

Infrared photography

The electromagnetic radiation that the human eye perceives is included in a wavelength range between 400 and 750 nanometers approximately. Beyond these limits, radiation …

Infrared reflectography in paintings analysis

Infrared reflectography has established itself as the most effective investigation technique in revealing the presence of preparatory drawings on the ground preparation.

Ultraviolet fluorescence

By projecting a beam of UV rays on the surface of a painting we will be able to observe how some parts of it light up while others remain dark. This is due to the phenomenon of …

Cleaning

By cleaning a painting we mean: – the removal of surface stains – the removal of surface dirt – the removal of overpaint – the removal of altered protective layers …