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Measurements of effective Henry's law constants for hydrogen peroxide in concentrated salt solutions

Chung, Myeong Y. / Muthana, Saddam / Paluyo, Rodhelen N. / Hasson, Alam S.

AbstractThe solubility of hydrogen peroxide was measured in aqueous salt solutions containing ammonium sulfate, ammonium nitrate, ammonium chloride, and sodium nitrate. Effective Henry's law constants are reported for these salts at 292K for concentrations up to 10M. Salts containing ammonium ions were found to increase the solubility of hydrogen peroxide by up to a factor of two compared to pure water. The data are consistent with a reversible chemical reaction between ammonium ions and hydrogen peroxide. Implications for the aerosol mass loadings of hydrogen peroxide in atmospheric particulate matter and their associated health effects are discussed.

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Measurements of effective Henry's law constants for hydrogen peroxide in concentrated salt solutions

Chung, Myeong Y. / Muthana, Saddam / Paluyo, Rodhelen N. / Hasson, Alam S.

AbstractThe solubility of hydrogen peroxide was measured in aqueous salt solutions containing ammonium sulfate, ammonium nitrate, ammonium chloride, and sodium nitrate. Effective Henry's law constants are reported for these salts at 292K for concentrations up to 10M. Salts containing ammonium ions were found to increase the solubility of hydrogen peroxide by up to a factor of two compared to pure water. The data are consistent with a reversible chemical reaction between ammonium ions and hydrogen peroxide. Implications for the aerosol mass loadings of hydrogen peroxide in atmospheric particulate matter and their associated health effects are discussed.

Measurements of effective Henry's law constants for hydrogen peroxide in concentrated salt solutions

Chung, Myeong Y. / Muthana, Saddam / Paluyo, Rodhelen N. / Hasson, Alam S.

AbstractThe solubility of hydrogen peroxide was measured in aqueous salt solutions containing ammonium sulfate, ammonium nitrate, ammonium chloride, and sodium nitrate. Effective Henry's law constants are reported for these salts at 292K for concentrations up to 10M. Salts containing ammonium ions were found to increase the solubility of hydrogen peroxide by up to a factor of two compared to pure water. The data are consistent with a reversible chemical reaction between ammonium ions and hydrogen peroxide. Implications for the aerosol mass loadings of hydrogen peroxide in atmospheric particulate matter and their associated health effects are discussed.

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Title:

Measurements of effective Henry's law constants for hydrogen peroxide in concentrated salt solutions

Contributors:

Chung, Myeong Y. (author) / Muthana, Saddam (author) / Paluyo, Rodhelen N. (author) / Hasson, Alam S. (author)

Published in:

Atmospheric Environment ; 39 ; 2981-2989

Publication date:

2005-01-01

Size:

9 pages

ISSN:

DOI:

https://doi.org/10.1016/j.atmosenv.2005.01.025

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Particulate matter , Toxicity , Air pollution , Solubility , Reactive oxygen species (ROS)

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