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Laboratory studies of particle nucleation: Initial results for H2SO4, H2O, and NH3 vapors
Open accessAbstract
Particle formation in the binary H 2 SO 4‐H 2 O vapor system was studied at 295 K in a series of experiments employing a flow reactor. The concentration of H 2 SO 4 was detected by chemical ionization mass spectrometry, and an ultrafine particle condensation nucleus counter was used to count the newly nucleated particles. Results yield a particle formation rate that is approximately proportional to [H 2 SO 4] raised to the eighth power and to [H 2 O] raised to the fifth power. The power dependencies measured here are significantly different from those determined in previous experimental work, and furthermore, the water dependence is markedly different from that predicted from current theories. The effect of adding ammonia vapor to the binary system was investigated; concentrations of NH 3 in the many tens of parts per trillion by volume range were observed to promote dramatically the rate of particle nucleation.
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Cited by
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Oxidation products of biogenic emissions contribute to nucleation of atmospheric particles
Riccobono, F., Schobesberger, S., Scott, C. E., Dommen, J., Ortega, I. K., Rondo, L., Almeida, J., Amorim, A., Bianchi, F., Breitenlechner, M., et al. (2014) · Science · doi:10.1126/science.1243527 · Cited by 642
Physical characterization of aerosol particles during nucleation events
Aalto, P., Hämeri, K., Becker, E., Weber, R., Salm, J., Mäkelä, J. M., Hoell, C., O’dowd, C. D., Karlsson, H., Hansson, H.-C., et al. (2001) · Tellus B: Chemical and Physical Meteorology · doi:10.3402/tellusb.v53i4.17127 · Cited by 379
Metadata
- Authors
- Ball, S. M., Hanson, D. R., Eisele, F. L., & McMurry, P. H.
- Venue
- Journal of Geophysical Research: Atmospheres
- Publisher
- American Geophysical Union (AGU)
- Published
- 1999-10
- Volume
- 104
- Issue
- D19
- Pages
- 23709-23718
- ISSN
- 0148-0227 (ISSN-L)
- OpenAlex
- W2003723869
- Cited by
- 320
- References
- 0
- FWCI
- 6.25
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Ball, S. M., Hanson, D. R., Eisele, F. L., & McMurry, P. H. (1999). Laboratory studies of particle nucleation: Initial results for H2SO4, H2O, and NH3 vapors. Journal of Geophysical Research: Atmospheres. https://doi.org/10.1029/1999jd900411
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