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Isoperms

 

Commission on Preservation and Access

 

Isoperms
An Environmental Management Tool

by Donald K. Sebera
Consultant to the Commission on Preservation and Access
Published by The Commission on Preservation and Access
June 1994


This paper addresses research needs arising from the Commission's Preservation Science Initiative, whose specific objective is to promote the development of communication among scientists and preservation administrators in order to solve problems of chemical properties of print media and set realistic priorities for continuing research. The long-range objective of the initiative is to enable librarians and archivists to apply these skills to a broad range of scientific and technical challenges accompanying the new media.

Table of Contents

  • Introduction
  • Scientific Basis
  • Effect of Relative Humidity
  • Effect of Temperature
  • Combined Effects of T and % RH
  • Applications of % RH vs. T Isoperm Diagrams
  • Numerical Values of Isoperms
  • Summary
  • Readings and References