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High sensitivity of lead to organic compounds leads to degradation of historical lead objects stored in the depositories of museums or archives. High concentration of organic compounds in the atmosphere of depositories is caused by degradation of organic materials (wood, glue, leather, paper). Organic materials are stored together with lead objects or they are used as a packaging material. This study was aimed on the influence of packaging material properties to aggressiveness towards lead with different state of surface by the resistometric method. The results showed that aggressiveness of packaging material is determined by a complex influence of material properties. The presence of corrosion products on the lead surface significantly increases its sensitivity to organic compounds.

Effect of the presence of corrosion products on the corrosion rate of lead during the exposition with paper packaging materials