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Liquid/air partition coefficients of four terpenes.
  1. A Falk,
  2. E Gullstrand,
  3. A Löf,
  4. E Wigaeus-Hjelm
  1. Division of Work and Environmental Physiology, National Institute of Occupational Health, Solna, Sweden.


    The liquid/air partition coefficients of four common terpenes, alpha-pinene, beta-pinene, 3-carene, and limonene, have been determined in vitro using head space technique. The liquids used were water, human blood, and olive oil. alpha-Pinene, beta-pinene, and 3-carene were practically insoluble in water and limonene was slightly soluble; all were readily dissolved in olive oil. The oil/air partition coefficients ranged from 2900 to 5700 in the order alpha-pinene, beta-pinene, 3-carene, and limonene. The blood/air partition coefficients ranged from 15 to 42 in the same order as for oil/air.

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