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Researchers have developed a less damaging alternative to traditional cleaning methods for historic artifacts – the plasma torch.

As a member of the consortium of the European Innovative Project PANNA, (Plasma and Nano for New Age Soft Conservation), ChemStream explains in an interview for The European Research and Innovation Magazine (European Commission) the principles of plasma cleaning and the advantages of a plasma removable coating for protecting cultural heritage assets. ‘We are removing thin layer by thin layer, gradually etching away the coating, and then using analysis techniques like infrared to see whether or not the coating is completely removed,’ says Veerle Goossens of the Belgian company ChemStream, a partner in the PANNA project.

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