[Preservation Technologies, PA] A registered trademark for a nonaqueous solution of Magnesium oxide sold as a deacidification agent for paper. Bookkeeper® Deacidification is a patented process first sold in 1992. It can be used in a large scale mass deacidification system or as individual spray products.
Synonyms and Related Terms
Bookkeeper Deacidification Spray; magnesium oxide
Meets ISO 14523 Photographic Activity Test (Permanence Institute)
- Conservation Support Systems, Catalog, 1997
- Website address 1 Comment: Preservation Technologies at http://www.ptlp.com/consumer.html