Chlorine number

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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

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