D
2 term(s)

Deacidification

Conservation & Restoration

Deacidification is a conservation approach or technique used to stabilize, preserve, or restore heritage materials and structures. It aims to protect significance while minimizing unnecessary change and documenting all interventions.

Source: ICCROM, ICOMOS

Deacidification

Conservation & Restoration

A preservation technique used mainly for paper, books, and archival documents to neutralize acids and slow down deterioration. Paper manufactured from the 19th century onwards often contains acidic compounds that lead to yellowing and embrittlement. Deacidification treatments (such as spraying or immersion in alkaline solutions) raise the pH level of paper, extending the lifespan of these documents.

Source: ICCROM, ICOMOS

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