John A. Hoffnagle
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View article: Near-source hypochlorous acid emissions from indoor bleach cleaning
Near-source hypochlorous acid emissions from indoor bleach cleaning Open
Cleaning surfaces with sodium hypochlorite (NaOCl) bleach can lead to high levels of gaseous chlorine (Cl 2 ) and hypochlorous acid (HOCl); these have high oxidative capacities and are linked to respiratory issues.
View article: Novel, real-time measurements of VOCs using a Cavity Ring-Down Spectrometer (CRDS)
Novel, real-time measurements of VOCs using a Cavity Ring-Down Spectrometer (CRDS) Open
<p>Measurements of volatile organic compounds (VOCs) are important in a wide variety of scientific disciplines, including air quality, biogeochemistry, hydrology, plant and animal physiology, human health, and petrochemistry. General…
View article: High-precision atmospheric oxygen measurement comparisons between a newly built CRDS analyzer and existing measurement techniques
High-precision atmospheric oxygen measurement comparisons between a newly built CRDS analyzer and existing measurement techniques Open
Carbon dioxide and oxygen are tightly coupled in land biosphere CO2–O2 exchange processes, whereas they are not coupled in oceanic exchange. For this reason, atmospheric oxygen measurements can be used to constrain the global carbon cycle,…
View article: High-precision atmospheric oxygen measurement comparisons between a newly built CRDS analyzer and existing measurement techniques
High-precision atmospheric oxygen measurement comparisons between a newly built CRDS analyzer and existing measurement techniques Open
Carbon dioxide and oxygen are tightly coupled in land–biospheres CO2–O2 exchange processes, while they are not coupled in oceanic exchange. For this reason, atmospheric oxygen measurements can be used to constrain the global carbon cycle, …
View article: Evaluation of the IAGOS-Core GHG package H <sub>2</sub> O measurements during the DENCHAR airborne inter-comparison campaign in 2011
Evaluation of the IAGOS-Core GHG package H <sub>2</sub> O measurements during the DENCHAR airborne inter-comparison campaign in 2011 Open
As part of the DENCHAR (Development and Evaluation of Novel Compact Hygrometer for Airborne Research) inter-comparison campaign in northern Germany in 2011, a commercial cavity ring-down spectroscopy (CRDS) based gas analyzer (G2401-m, Pic…
View article: Evaluation of the IAGOS-Core GHG Package H <sub>2</sub> O measurementsduring the DENCHAR airborne inter-comparison campaign in 2011
Evaluation of the IAGOS-Core GHG Package H <sub>2</sub> O measurementsduring the DENCHAR airborne inter-comparison campaign in 2011 Open
As part of the DENCHAR (Development and Evaluation of Novel Compact Hygrometer for Airborne Research) inter-comparison campaign in North-Germany in 2011, a commercial cavity ring-down spectroscopy (CRDS) based gas analyzer (G2401-m, Picarr…