Biogeochemistry of Carbon and Nitrogen in Aquatic Environments

Project Facilities                                                                            Project Home

All analytical facilities for this project are housed in the Marine Street Science Center on the Research Campus of the University of Colorado in Boulder, Colo.  

The use of firm, trade, and brand names in this web page is for identification purposes only and does not constitute endorsement by the U.S. Geological Survey.

Photograph of Dionex DX-500 Ion Chromatograph.

Ion Chromatography (IC) Analysis

Our lab maintains two Dionex ion chromatographs for analysis of anion, cations and organic acids.

Photograph of Shimadzu Gas Chromatograph.

 Shimadzu GC-17A Gas chromatograph (GC) used for CH4 and N2O analysis.

Photograph of Hewlett Packard Gas Chromatograph.

Hewlett Packard Model 5890 GC used for O2 analysis.

Photograph of Antek Total Dissolved Nitrogen Analyzer.  Antek Series 9000 Total Dissolved Nitrogen (TDN) analyzer.
Photograph of Sievers Nitric Oxide Analyzer. Sievers Model 280 Nitric Oxide Analyzer.
Photograph of Exeter Elemental Analyzer.

Exeter CE-440 Elemental Analyzer employed for Carbon Hydrogen Nitrogen (CHN) analysis.

Photograph of anaerobic glove box in use. Glove Box for anaerobic microbe incubation and isolation.

Links to other labs in the Marine Street Science Center:

Ronald Harvey Microbiology Lab

Kirk Nordstrom Trace Metals Analysis Lab

Howard Taylor Analytical Laboratory


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