Translations:Verpakkingsmaterialen/1/en

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Versie door Bart Magnus (overleg | bijdragen) op 25 mrt 2021 om 12:23 (Nieuwe pagina aangemaakt met '<h2>What?</h2> Archives and collections are usually packaged in paper, cardboard or plastic materials. One important property is the acidity level (pH value) of the...')
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What?

Archives and collections are usually packaged in paper, cardboard or plastic materials. One important property is the acidity level (pH value) of the materials used for packaging. A distinction can be made here between:

  • Acid-free: paper or cardboard that does not contain any acidic or acid-reactive substances. This means that the pH value or acidity level is greater than 7.
  • Buffered: acid-free paper or cardboard to which an alkaline reserve has been added, making it harder for external acidification to penetrate.
  • Inert: packaging material with a neutral pH (usually specially produced conservation plastics).

The ideal acidity level for packaging material varies according to the items in your archive and collections. It is advisable to use acid-free materials for covers and boxes for the majority of archive items.

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