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Baralyme is a mixture of 80% calcium hydroxide and 20% barium hydroxide compounds[1][2][3] that is used to absorb the exhaled carbon dioxide in a closed circuit anesthetic system.[4]

The substance has been used for carbon dioxide scrubbing in diving bells and the U.S Navy's engineered SEALAB's I, II, and the failed SEALAB III.[citation needed]


  1. ^ Saunders Comprehensive Veterinary Dictionary, 3 ed. 2007 Elsevier, Inc.
  2. ^ Clinical Anesthesia - Paul G. Barash, Bruce F. Cullen, Robert K. Stoelting, Michael Cahalan, M. Christine Stock - Google Books
  3. ^ Textbook of Anaesthesia for Postgraduates - T. K. Agasti - Google Books
  4. ^ Mosby's Medical Dictionary, 8th edition. 2009, Elsevier.