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Expert opinion. COMPLEX

Full scientific and technological research with a detailed description and report. The volume of the document starts from 100 pages, including the recorded spectra and tables.

An expert opinion includes:
Registration of an object (measurement, reading the signature, technique and support identification, etc.).
Complete visual analysis including microscopic study of an object by dividing the surface in quadrants: a study of texture, features of brushstrokes, shape and type of craquelure in different areas with photographic images, description and preliminary conclusions based on the research findings.
A detailed study of UV-luminescence - photo-fixation of the fluorescence of individual pigments, organic dyes and varnishes and their preliminary identification. Isolation of the areas that have been exposed to the restoration and re-writing in order to exclude them from the research process and / or to select them in a separate category.
Full IR reflectographic study with dividing the object into quadrants with photo-fixation  and detailed description of each area.
Complete XFA of all pigments (at least 30-40 samples depending on the size of the object of study) with printing out an enlarged photo, indexing and coordinates of sampling as well as the attachment of XFA spectra for each area with the complete identification and preliminary conclusions.
Full FTIR study of pigments, not detected by XFA, and their complex identification with printing out the enlarged photos with indexation and coordinates of sampling and the attachment of IR spectra of each sample with the complete identification and preliminary findings.

Cost – from 2240 Hrn.
Time of performance – at least 30 days

Art expertise can be carried out on the basis of scientific and technical research and provided upon receipt of any product on client’s request. The cost of services of the professional specialists who are involved in the process, shall be paid on the basis of a supplementary agreement with the client and in accordance with the volume of works.
The cost of issuing a duplicate is 160 Hrn.
 

Expert opinion. STANDART


The research includes up to 20 samples studied with non-contact and non-destructive methods added with recommendations on the methodology of the required further research.

It includes:
IR spectroscopy with Fourier transform and ATR system of (a diamond window) to establish the type of a binder and its age, organic dyes, varnishes, and the types of pigments that have not been identified during XFA. For IR spectroscopy the samples are drawn (up to10) from the areas that have been previously investigated by XFA with the provision of the tables.
Registration of the object (measurement, reading the signature, technique and support identification and other objective visual parameters).
Photo-fixation - a general view, signature (ultra-close-up photography) and a reverse side. The technological research is made by UV, IR camera and XFA methods.

 

Cost – 1280 Hrn.
Time of performance – up to 12 days.
Express charges (up to 3 days) – 50%

Cost of issuing a duplicate – 160 Hrn.

 
 

Expert opinion. EXPRESS

The research includes up to 5 samples studied with non-contact and non-destructive methods added with recommendations on the methodology of the required further analysis.

It includes the technological research using the following methods:
UV (long-wave UV radiation that causes fluorescence and enhances the colour of the external pigments). It is used for the overall assessment of the condition of the painting. Using this method, it is possible to observe the luminescence of the pigments that contributes to their identification as well as the detection of the restoration interventions.
IR reflectography (It is used for determining the underlying layers. It allows to identify hidden signatures and images, a preliminary drawing, as well as the specific features the author's technique; it also allows to judge on the support material, pigments, changes and damages of the painting);
XFA - X-ray fluorescence analysis (for determining the inorganic pigments and paint fillers used).
Registration of the object (measurement, reading the signature, technique and support identification and other objective visual parameters).
Photo-fixation – general view, signature (ultra-close-up shooting), photo of the reverse side.
 
Cost – 800 Hrn.
Time of performance – up to 5 days
Express charges (up to 2 days) – 50% 
Cost of issuing a duplicate – 160 Hrn.
 

Expert opinion. SIGNAL

It contains more recommendations concerning the methodology of the required further research.

It includes:
Registration of the object (measurement, reading the signature, technique and support identification and other objective visual parameters).
Photo-fixation – a general view, signature (ultra-close-up shooting), photo of the reverse side.
Research using optical microscopy.

Cost – 160 Hrn.
Time of performance – 1 day
 

BSTE

Today the topical issue is an objective and independent research expertise of the artworks. Therefore, the appearance of BSTE is a step forward: here one can order and get the analysis of paintings, icons, porcelain, etc. officially, promptly, confidentially and without unnecessary official circumlocution. We are equipped with high-tech equipment – the research devices of the latest generation from the world producers. Examination of the works of art is performed by the experienced professionals – technologists.

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Assessors

Painting | Graphic arts | Restoration | 
Decorative arts
 

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Package of documents

Signal | Express | Standart | Complex

Contacts

Bureau of scientific and technical expertise Art-Lab