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Retention of aerosol particles in the human respiratory tract as a function of particle radius

Journal Article · · J. Ind. Hyg. Toxicol.; (United States)
OSTI ID:6251647
A water--glycerol aerosol of /sup 24/NaCl (approx. 500 mg/m/sup 3/) was inhaled by 7 volunteers to assess retention of monodispersed aerosols in human respiratory tract. Various particle sizes were tested; dispersion method was thought to be effective. Alveolar retention shows two peaks in the 0.3 to 1 ..mu..m range. Maximum alveolar retention is approx. 45%. Total retention decreased linearly with breathing rate, increased linearly with radius from 0.2 to 1.6 ..mu..m.
OSTI ID:
6251647
Journal Information:
J. Ind. Hyg. Toxicol.; (United States), Journal Name: J. Ind. Hyg. Toxicol.; (United States) Vol. 30; ISSN JIHTA
Country of Publication:
United States
Language:
English