Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Versatile gas/particle ion chromatograph.

S M Rahmat Ullah1, Masaki Takeuchi, Purnendu K Dasgupta

  • 1Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas 79409-1061, USA.

Environmental Science & Technology
|March 3, 2006
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Publisher Correction: Multi-ancestry genome-wide association analyses of refractive error augment genetic discovery and polygenic prediction.

Nature genetics·2026
Same author

Continuous Hydrogen Sulfide Monitor Based on Positive Fluorescence Green Chemistry. Application to Geothermal Powerplant Environmental Impact Assessment.

ACS omega·2026
Same author

Genome-Wide Meta-Analysis for High Myopia Provides Insights into Disease Mechanisms and Reveals a Causal Link to Primary Open-Angle Glaucoma.

Ophthalmology science·2026
Same author

Multi-ancestry genome-wide association analyses of refractive error augment genetic discovery and polygenic prediction.

Nature genetics·2026
Same author

Low flow liquid flowmetry. A tutorial review.

Talanta·2026
Same author

Clinical performance of the multiplex solid-phase "Direct Strip PCR" for infectious uveitis: a multicenter diagnostic accuracy study.

Japanese journal of ophthalmology·2026
Same journal

Planetary Boundary for Novel Entities: Time for a Reboot.

Environmental science & technology·2026
Same journal

Coordination-Engineered Fe Single Atoms Enable Synergistic PVC Upcycling into Fuel-Range Hydrocarbons via Fenton-Like Pathway.

Environmental science & technology·2026
Same journal

Ambitious Co-scaling of Carbon Dioxide Removal and Decarbonization Delivers Better Climate Outcomes Than Strategies That Prioritize Efforts in One Domain.

Environmental science & technology·2026
Same journal

Can Data Mining Improve Methane Correction Factors for Urban, Nonsewered Sanitation?

Environmental science & technology·2026
Same journal

Meteorologically Driven Changes in Future Global Air Quality: Physical and Monetized Impacts.

Environmental science & technology·2026
Same journal

Microbiome-Based Framework for Achieving Simultaneous Efficient Transformation of Persistent Organic Pollutants and Restored Biogeochemical Cycling.

Environmental science & technology·2026
See all related articles

A novel gas/particle ion chromatograph effectively measures ionic compounds in PM2.5 and soluble gases. This instrument achieves low detection limits for key atmospheric pollutants, aiding air quality research.

Area of Science:

  • Environmental Science
  • Analytical Chemistry
  • Atmospheric Chemistry

Background:

  • Accurate measurement of ionic constituents in PM2.5 and gaseous pollutants is crucial for understanding air quality and atmospheric processes.
  • Existing methods may lack the sensitivity or specificity to simultaneously analyze both gas and particle phases.
  • The need for a compact, integrated instrument for comprehensive air pollution monitoring is evident.

Purpose of the Study:

  • To develop and validate a new, compact gas/particle ion chromatograph.
  • To enable simultaneous measurement of ionic species in PM2.5 and water-soluble ionogenic gases.
  • To achieve low limits of detection for a wide range of atmospheric pollutants.

Main Methods:

  • A dual-channel system with separate collection for gases (membrane denuder) and particles (cyclone, denuder, wetted filter).

Related Experiment Videos

  • Utilized a single multiport syringe pump for liquid transport and a conductivity detector for anion and ammonium analysis.
  • Employed electrodialytically generated gradient hydroxide eluent for rapid 20-minute chromatographic runs.

    • Main Results:

    • The instrument successfully measured ammonia, organic acids, HCl, HONO, SO2, HNO3, and their corresponding aerosol ions.
    • Achieved low ng/m3 to sub-ng/m3 limits of detection for most common gases and particulate constituents.
    • Demonstrated detection limits for gaseous SO2 to NH3 ranging from sub-pptv to approximately 5 pptv.

    Conclusions:

    • The developed gas/particle ion chromatograph is a sensitive and efficient tool for analyzing key ionic components in ambient air.
    • The compact design and simultaneous measurement capabilities offer advantages for air quality monitoring and research.
    • The low detection limits enable the characterization of trace level pollutants, improving our understanding of atmospheric chemistry.