Deacidification

The price of the treatment depends on the weight of a batch to be treated and includes the following services:

  • Preparation of the material for the treatment in Wimmis
  • Deacidification of the books and records in accordance with the adapted treatment programme
  • Reconditioning during approx. 3-4 weeks
  • Test material (3 books => no tests on originals) is subjected to analyses as per QA standards
    • Treatment intensity and homogeneity by means of energy-dispersive X-ray fluorescence (7 items each on completion of the treatment)
    • Colour changes by means of spectrometry (6 items each on the three different types of paper of a test book)
    • Surface pH (two measuring points each)
  • Preparation of the material for return transport

Batch size

The batch size depends on the number of treatment baskets and their dimensions.

Size of the treatment basketsNumber of treatment baskets per batchcorresponds to the number of running metres of documents per batch
No. 1: Octavo48~ 24
No. 2: Quarto36~ 18
No. 3: Folio size32~ 16
No. 4: Large folio size32~ 10

Click here for information on treatment baskets.

  • Nitrochemie Wimmis AG

    Papersave Unit

    Niesenstrasse 44
    3752 Wimmis
    Switzerland
    Phone: +41 33 2281-000
    Fax: +41 33 2281-330

  • Nitrochemie Aschau GmbH

    Papersave Unit

    Liebigstra├če 17
    84544 Aschau am Inn
    Germany
    Phone: +49 8638 68-0
    Fax: +49 8638 68-375