Determination of Sulfuric Acid and Ammonium Sulfates by Means of a Computer-Controlled Thermodenuder System

Jakob Slanina; Carlo A.M. Schoonebeek; Dieter Klockow; Reinhardt Niessner

doi:10.1021/ac00286a038

Determination of Sulfuric Acid and Ammonium Sulfates by Means of a Computer-Controlled Thermodenuder System

Jakob Slanina, Carlo A.M. Schoonebeek, Dieter Klockow, Reinhardt Niessner

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Abstract

Sulfuric acid and ammonium sulfates In air are sampled by means of two CuO coated denuders at temperatures of 120 and 240 °C, respectively. The tubes are heated to 800 °C and the liberated SO2 is measured by means of a flame photometric detector. The interference of Inorganic and organic sulfur species can be avoided by passing the sample stream through PbO2 and an active carbon-coated denuder. The detection limit Is 0.1 μg m-3 H2SO4 or ammonium sulfate at a sampling time of 5 mln and 0.02 μg m-3 at a sampling time of 60 min. The system Is completely automated and can function properly without any human assistance.

Original language	English
Pages (from-to)	1955-1960
Number of pages	6
Journal	Analytical Chemistry
Volume	57
Issue number	9
DOIs	https://doi.org/10.1021/ac00286a038
State	Published - 1 Aug 1985
Externally published	Yes

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title = "Determination of Sulfuric Acid and Ammonium Sulfates by Means of a Computer-Controlled Thermodenuder System",

abstract = "Sulfuric acid and ammonium sulfates In air are sampled by means of two CuO coated denuders at temperatures of 120 and 240 °C, respectively. The tubes are heated to 800 °C and the liberated SO2 is measured by means of a flame photometric detector. The interference of Inorganic and organic sulfur species can be avoided by passing the sample stream through PbO2 and an active carbon-coated denuder. The detection limit Is 0.1 μg m-3 H2SO4 or ammonium sulfate at a sampling time of 5 mln and 0.02 μg m-3 at a sampling time of 60 min. The system Is completely automated and can function properly without any human assistance.",

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T1 - Determination of Sulfuric Acid and Ammonium Sulfates by Means of a Computer-Controlled Thermodenuder System

AU - Slanina, Jakob

AU - Schoonebeek, Carlo A.M.

AU - Klockow, Dieter

AU - Niessner, Reinhardt

PY - 1985/8/1

Y1 - 1985/8/1

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AB - Sulfuric acid and ammonium sulfates In air are sampled by means of two CuO coated denuders at temperatures of 120 and 240 °C, respectively. The tubes are heated to 800 °C and the liberated SO2 is measured by means of a flame photometric detector. The interference of Inorganic and organic sulfur species can be avoided by passing the sample stream through PbO2 and an active carbon-coated denuder. The detection limit Is 0.1 μg m-3 H2SO4 or ammonium sulfate at a sampling time of 5 mln and 0.02 μg m-3 at a sampling time of 60 min. The system Is completely automated and can function properly without any human assistance.

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VL - 57

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EP - 1960

JO - Analytical Chemistry

JF - Analytical Chemistry

IS - 9

ER -

Determination of Sulfuric Acid and Ammonium Sulfates by Means of a Computer-Controlled Thermodenuder System

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