Separation and analysis of aerosol sulfate species at ambient concentrations

R. L. Tanner; R. Cederwall; R. Garber; D. Leahy; W. Marlow; R. Meyers; M. Phillips; L. Newman

doi:10.1016/0004-6981(77)90025-7

Separation and analysis of aerosol sulfate species at ambient concentrations

R. L. Tanner, R. Cederwall, R. Garber, D. Leahy, W. Marlow, R. Meyers, M. Phillips, L. Newman

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Abstract

Sampling and analysis techniques appropriate for the determination of the chemical composition of sulfate in aerosol particles are described. These techniques are applied to the speciation of sulfate in ambient air-borne particles with time resolution of one hour or less and with size discrimination in the size range below 0.25 μm. Initial East Coast data are reported indicating the dominance of sulfuric acid and its ammonianeutralization products in ambient sulfate-containing particles. Data from a comparison study of several analytical techniques for aerosol sulfate and related species are highly correlated. Diffusion sampling experiments for size-segregated chemical composition determination indicate that 1 2 of airborne sulfate is in particles <0.3 μm dia. Hourly variations in sulfate chemical composition at 3 RAMS sites in and near St. Louis, MO. are documented for a one-day intensive experiment and are correlated with air-mass backward trajectories and area primary sources.

Original language	English
Pages (from-to)	955-966
Number of pages	12
Journal	Atmospheric Environment (1967)
Volume	11
Issue number	10
DOIs	https://doi.org/10.1016/0004-6981(77)90025-7
State	Published - 1977
Externally published	Yes

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title = "Separation and analysis of aerosol sulfate species at ambient concentrations",

abstract = "Sampling and analysis techniques appropriate for the determination of the chemical composition of sulfate in aerosol particles are described. These techniques are applied to the speciation of sulfate in ambient air-borne particles with time resolution of one hour or less and with size discrimination in the size range below 0.25 μm. Initial East Coast data are reported indicating the dominance of sulfuric acid and its ammonianeutralization products in ambient sulfate-containing particles. Data from a comparison study of several analytical techniques for aerosol sulfate and related species are highly correlated. Diffusion sampling experiments for size-segregated chemical composition determination indicate that 1 2 of airborne sulfate is in particles <0.3 μm dia. Hourly variations in sulfate chemical composition at 3 RAMS sites in and near St. Louis, MO. are documented for a one-day intensive experiment and are correlated with air-mass backward trajectories and area primary sources.",

author = "Tanner, {R. L.} and R. Cederwall and R. Garber and D. Leahy and W. Marlow and R. Meyers and M. Phillips and L. Newman",

year = "1977",

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T1 - Separation and analysis of aerosol sulfate species at ambient concentrations

AU - Tanner, R. L.

AU - Cederwall, R.

AU - Garber, R.

AU - Leahy, D.

AU - Marlow, W.

AU - Meyers, R.

AU - Phillips, M.

AU - Newman, L.

PY - 1977

Y1 - 1977

N2 - Sampling and analysis techniques appropriate for the determination of the chemical composition of sulfate in aerosol particles are described. These techniques are applied to the speciation of sulfate in ambient air-borne particles with time resolution of one hour or less and with size discrimination in the size range below 0.25 μm. Initial East Coast data are reported indicating the dominance of sulfuric acid and its ammonianeutralization products in ambient sulfate-containing particles. Data from a comparison study of several analytical techniques for aerosol sulfate and related species are highly correlated. Diffusion sampling experiments for size-segregated chemical composition determination indicate that 1 2 of airborne sulfate is in particles <0.3 μm dia. Hourly variations in sulfate chemical composition at 3 RAMS sites in and near St. Louis, MO. are documented for a one-day intensive experiment and are correlated with air-mass backward trajectories and area primary sources.

AB - Sampling and analysis techniques appropriate for the determination of the chemical composition of sulfate in aerosol particles are described. These techniques are applied to the speciation of sulfate in ambient air-borne particles with time resolution of one hour or less and with size discrimination in the size range below 0.25 μm. Initial East Coast data are reported indicating the dominance of sulfuric acid and its ammonianeutralization products in ambient sulfate-containing particles. Data from a comparison study of several analytical techniques for aerosol sulfate and related species are highly correlated. Diffusion sampling experiments for size-segregated chemical composition determination indicate that 1 2 of airborne sulfate is in particles <0.3 μm dia. Hourly variations in sulfate chemical composition at 3 RAMS sites in and near St. Louis, MO. are documented for a one-day intensive experiment and are correlated with air-mass backward trajectories and area primary sources.

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Separation and analysis of aerosol sulfate species at ambient concentrations

Abstract

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