by Dr. Paolo Cremonesi, Italy
This three-day workshop is organized by De Kunstkliniek Veer & Veer, in Hilversum, in collaboration with ARA Nederland for painting conservators who use the Wolbers and Cremonesi methods.
Date: 23 to 25 November 2020. POSTPONED DUE TO COVID-19 until 22-23-24 MARCH 2021
Location: Amershof, Snouckaertlaan 11 (side street Stationsstraat), 3811 MA Amersfoort.
Costs: € 495, - p.p. including 21% VAT. ARA members receive a discount and pay € 450
Minimum 12 and maximum 16 participants.
Language of instruction: English.
Participants are requested to bring their own exercise material.
A certificate of participation will be distributed.
This workshop earns 1 point according to the count of the Restorers Register.
In connection with the RIVM-Corona measures, a distance of 1.5 m between the participants has been taken into account (the classrooms and their table division are designed for this). The organization makes disinfectants, face protection and mouth masks available. Naturally, the participants can also bring their own protective equipment.
Program: Daily from 9 a.m. to 5 p.m. Coffee, tea and a hot lunch are included. The lunch time is planned by the restaurant due to the other activities and the occupation of the lunch room. If you as a participant have special dietary requirements, please let us know in advance.
Registration via
The registration is complete when the registration form is signed. The workshop can only be attended after payment.
See you at the workshop,
On behalf of De Kunstkliniek Veer en Veer and ARA Nederland,
Eleonora van der Veer-Curpan
Program:
Monday, March 22th
Morning: Lecture, 4 hrs
Review of the properties of the aqueous medium. The mode of action of acids and bases, buffers,
surfactants, chelators. Review of the properties of organic solvents. Focus on Hydrocarbon and
Silicone solvents in free and gelled form. The issue of safety.
Afternoon: Practical Application, 4 hrs
Preparing buffered aqueous solutions in free and gelled form. Measuring the parameters of the
surface: pH and conductivity. Preparing solvent mixtures and Wolbers’ Solvent-Surfactant Gels.
Tuesday, March 23th
Morning: Lecture, 4 hrs
Combining the aqueous medium and the solvent environment: Emulsions. Macro- and microemulsions.
The issues of stability and clearance. Gelled emulsions. Polymer emulsions.Particle
emulsions. Solvent-in-Solvent Emulsions
Afternoon: Practical Application, 4 hrs
Engineering the emulsion for a specific task. Preparing Water-in-Oil and Oil-in-Water, free and
gelled emulsions. Testing emulsions on various surfaces, for surface cleaning and for removal of
film-forming materials.
Wednesday, March 24th
Morning (4 hrs) and Afternoon (4 hrs):
Practical Application (on selected artworks).
Critical evaluation of the results.