Chlorine number

Description

An indicator of bleach consumption. Chlorine number is defined as the number of grams of Chlorine or Bleaching powder absorbed by 100 grams of dry Cellulose pulp usually in a 15 minute time frame at room temperature. A high chlorine number indicates that the pulp has a high Lignin content.

Synonyms and Related Terms

Chlorzahl (Deut.)

Resources and Citations

• Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

• Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982

• The Dictionary of Paper, American Paper Institute, New York, Fourth Edition, 1980