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H 2 SO 4 ‐HNO 3 ‐H 2 O ternary aerosol formation mechanism in the stratosphere
Author(s) -
Kiang C. S.,
Cadle R. D.,
Yue Glenn K.
Publication year - 1975
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/gl002i002p00041
Subject(s) - sulfuric acid , nucleation , stratosphere , ternary operation , aerosol , homogeneous , analytical chemistry (journal) , materials science , ternary numeral system , mineralogy , inorganic chemistry , chemistry , meteorology , thermodynamics , physics , environmental chemistry , organic chemistry , computer science , programming language
An order‐of‐magnitude calculation of the characteristic time required for the homogeneous heteromolecular nucleation of new stratospheric particles involving the H 2 SO 4 ‐HNO 3 ‐H 2 O ternary system is presented. This characteristic time is compared with the characteristic time required for the homogeneous heteromolecular nucleation of sulfuric acid particles involving the H 2 SO 4 ‐H 2 O binary system and with the characteristic time for the sulfuric acid vapor condensing on the preexisting particles. From the comparison of these characteristic times, we show that this formation of new particles involving H 2 SO 4 ‐HNO 3 ‐H 2 O may be the most favorable mechanism for the formation of “sulfuric acid particles” in the stratosphere.