Journal
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Environnement
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Automated, High-resolution Mobile Collection System for the Nitrogen Isotopic Analysis of NOx
Journal JoVE
Environnement
This content is Free Access.
Journal JoVE Environnement
Automated, High-resolution Mobile Collection System for the Nitrogen Isotopic Analysis of NOx

Automated, High-resolution Mobile Collection System for the Nitrogen Isotopic Analysis of NOx

DOI:
10.3791/54962-v

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07:14 min

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December 20, 2016

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, , , ,
1Department of Chemistry,Brown University, 2Institute at Brown for Environment and Society,Brown University, 3Department of Earth, Environmental, and Planetary Sciences,Brown University

Chapitres

  • 00:05Titre
  • 01:07Solution Preparation and Field Setup
  • 02:17Sample Collection
  • 03:05Sample Reduction and Neutralization
  • 04:09Nitrogen Isotope Determination with the Denitrifier Method
  • 05:11Results: High Collection Efficiency for Nitrogen isotopic Analysis of NOx
  • 06:24Conclusion

Summary

Traduction automatique

Traduction automatique

Previous work suggests that the nitrogen isotopic composition of atmospheric nitrogen oxides might distinguish the influence of different sources in the environment. We report on an automated, mobile, field-based method for the high collection efficiency of atmospheric NOx for N isotopic analysis at an hourly time resolution.

Tags

Keywords: Nitrogen Isotopic AnalysisNOxAutomated Collection SystemAtmospheric ChemistryEnvironmental ChemistryField DeploymentPotassium PermanganateSodium HydroxidePTFE TubingChemiluminescence NOx Concentration AnalyzerField BlanksSyringe Pump

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