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Published: 4 August 2014  
Related category(ies):
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Countries involved in the project described in the article:
Austria  |  Belgium  |  Denmark  |  Germany  |  Ireland  |  Italy  |  Norway  |  Romania  |  Spain  |  United Kingdom
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Preserving cultural objects from harmful conditions

Objects showcased in museums or exhibitions are vulnerable to the effects of pollutants both from outside the building where they are housed as well as from potential substances found inside. Better measuring tools could enable curators and conservators of cultural artefacts to take the necessary steps to ensure their protection.

picture of marble sculptures in State Hermitage © JackF - Fotolia.com

The European Union (EU)-funded MEMORI project, which was coordinated by the Norwegian Institute for Air Research (NILU), developed an early-warning tool that is expected to help overcome the problem of harmful conditions on cultural heritage (CH) objects. “Such potential damage could be the result of a range of factors,” explains project coordinator Elin Dahlin from the NILU, “but while humidity, temperature, air flow and light are commonly measured in large institutions, pollution from outside traffic or the potential use of harmful materials in the construction of the exhibition/museum space are not often recorded,” she adds.

The project team put together in a single system two different dosimeters (an instrument that measures an object’s exposure to a range of radiations) that had been developed by two previous EU-funded projects. “One of the dosimeters was developed here at our institute – and this one reacts to traffic pollutants getting indoors from the outside environment. The second dosimeter, which was developed by the Fraunhofer Institute in Germany, detects acidic pollutants, often emitted from materials indoors,” says Dahlin.

The two-in-one dosimeters are placed in exhibition areas for a period of three months to give a true reading of the conditions. The readings are then analysed, using a “new technique that we have been able to develop,” adds Dahlin. “Previously, the information had to be sent back to the laboratories for analysis, and now, with this instrument, these analyses can be provided to the user directly.”

The MEMORI dosimeter reader is simply connected to a PC and a traffic-light system indicates the severity of the conditions. A green light means that the museum/exhibition area is fine. A yellow light indicates that there are some problems to be resolved, and a red light underlines the need to take corrective action urgently. “MEMORI researchers have also developed a set of guidelines that tell the user how to interpret the results,” says Dahlin.

At the end of the MEMORI system's three-year development period, the museums working together with the project team showed interest in the early-warning tool. Museums and institutions such as English Heritage and the Tate in London, the Music, Film and Theatre Museum in Lithuania, the Reina Sofia in Madrid, the Picasso Museum in Paris and the Cultural History Museum in Oslo have all tested the new MEMORI dosimeter. The new tool has also been tried out by an end user in Tokyo.

NILU is confident that there is demand for the new tool, and a marketing plan has been developed by the project team. “We have applied for more funding because there are some steps that need to be taken before we can decide who is going to produce the equipment,” concludes Dahlin.

Project details

  • Project acronym: MEMORI
  • Participants: Norway (Coordinator), Germany, Italy, Belgium, Denmark, Austria, Romania, UK, Spain, Ireland
  • FP7 Proj. N° 265132
  • Total costs: € 3 194 873
  • EU contribution: € 2 499 768
  • Duration: June 2011 - May 2015

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