Sediment geochemistry summary from push cores collected during HOV Alvin dives during the R/V Atlantis cruise AT37-06 in the Guaymas Basin from December 2016 | | Antek Instruments 7050 Nitric Oxide Detector with 745 Nitrate/Nitrite Reduction Assembly |
Particulate data collected near Friday Harbor, WA between 2020 and 2021 as part of a study of cold-water coral Balanophyllia elegans diet and trophic position | | Teledyne chemiluminescence NOx analyzer Model T200 |
Nutrients, nitrate isotopes, and DON isotopes data from samples collected in the Gulf of Mexico on R/V Nancy Foster cruises NF1704 and NF1802 in May 2017 and May 2018 | | Thermo 42i NOx analyzer |
Bottle chemistry data from hydrothermal vents sampled by CTD rosette during R/V Atlantis cruise AT37-12 in April and May 2017 | | Teledyne T200 NOx analyzer |
Bottle data and chemical analysis from Falkor cruise FK180624 in the Eastern Tropical North Pacific Ocean in 2018 | NOx: Teledyne T200 NOx analyzer with custom front end for vanadium reduction.
| Teledyne T200 NOx analyzer |
Nutrients from CTD casts conducted on R/V Hugh R. Sharp cruise HRS2110 in the Chesapeake Bay during August 2021 | Used to measure NO3
| Teledyne Chemiluminescence NO/NOx Analyzer (Model 200E) |
Nutrients from CTD casts conducted on R/V Hugh R. Sharp cruise HRS2212 in the Chesapeake Bay during August 2022 | Used to measure NO3
| Teledyne Chemiluminescence NO/NOx Analyzer (Model 200E) |
CTD sensor and nutrient measurements from R/V Yellowfin cruises to the San Pedro Ocean Time-series (SPOT) station in 2013 and 2014 | The remainder of the samples (October 2013 to June 2014) were analyzed for nitrate + nitrite and nitrite only by chemiluminescence.
| chemiluminescence |
Results from experiment examining 15N-labeled contaminants in commercial 15N2 gas: Detected 15N-labeled ammonium (NH4) in commercial 15N2 gas (15N2 Contamination project) | Nitrate concentrations in the experimental solutions were verified via reduction to nitric oxide in hot vanadium (III) solution followed by detection with a chemiluminescence NOx analyzer (model T200 Teledyne Advanced Pollution Instrumentation).
| T200 Teledyne Advanced Pollution Instrumentation |
Results from experiment examining 15N-labeled contaminants in commercial 15N2 gas: Detected 15N-labeled nitrate (NO3) in commercial 15N2 gas (15N2 Contamination project) | Nitrate concentrations in the experimental solutions were verified via reduction to nitric oxide in hot vanadium (III) solution followed by detection with a chemiluminescence NOx analyzer (model T200 Teledyne Advanced Pollution Instrumentation).
| T200 Teledyne Advanced Pollution Instrumentation |
DOC, TDN, and Nutrients from the RVIB Nathaniel B. Palmer NBP1302 cruise in the Ross Sea during 2013 (TRACERS project) | Sample NO3 was reduced to NO using a heated, acidic V (III) solution and determined by chemiluminescent detection of NO. [Braman and Hendrix 1989]
| chemiluminescent detector |
Geochemical measurements of porewater from sediment push core samples in the Gulf of California during R/V Falkor cruise FK190211 in 2019 | | Antek Instruments 7050 Nitric Oxide Detector with 745 Nitrate/Nitrite Reduction Assembly |
Geochemical measurements of CTD and Alvin Niskin samples collected in the Gulf of California during R/V Falkor cruise FK190211 in 2019 | Antek Instruments 7050 Nitric Oxide Detector with 745 Nitrate/Nitrite Reduction Assembly
| Antek Instruments 7050 Nitric Oxide Detector |
Summary geochemistry and radiotracer rates for 30 marine sediment cores covering eight sites and four geochemical regimes | Antek Instruments model 7020 NO analyzer. Calibrated with standards made from KNO3 dissolved in MQ (0-100 uM)
| Antek 7020 NO analyzer |
Sample log from Jason-II dives for Sievert collected from the R/V Atlantis (AT26-10) in the East Pacific Rise, Pacific Ocean (Microbial Communities at Deep-Sea Vents project) | For nitrate+nitrite measurement. Teledyne, San Diego CA, USA
| NoxBox instrument |
Results from experiment examining 15N-labeled contaminants in commercial 15N2 gas: The measured quantity of 15N2 added to nitrate and ammonium solutions equilibrated with 15N2 gas | Nitrate concentrations in the experimental solutions were verified via reduction to nitric oxide in hot vanadium (III) solution followed by detection with a chemiluminescence NOx analyzer (model T200 Teledyne Advanced Pollution Instrumentation).
| T200 Teledyne Advanced Pollution Instrumentation |
Porewater measurements of nitrate concentration and N and O isotopic ratios (d15N and d18O) from bore holes at North Pond; collected during IODP expedition 336 on R/V JOIDES Resolution in the Mid-Atlantic Ridge in 2011 | Nitrate from shipboard extracted samples were measured using ion chromatography, where samples collected later were measured using chemiluminescence after reduction in hot acidic vanadyl sulfate solution on a NOx analyzer (Braman and Hendrix, 1989) (detection limit | NOx analyzer |
Ammonium, total nitrate and nitrite, nitrite, and flow cytometry profiles in the Eastern Tropical North Pacific from March to April 2018 | Chemiluminescence was measured on 200 µl samples using a Teledyne Instruments Chemiluminescence NO/NOx Analyzer – 10 Model 200E (NOx Box)
| Teledyne Instruments Chemiluminescence NO/NOx Analyzer |
Flow through sediment core incubations for nitrogen concentration and isotopic fluxes collected in 2013 on the Island of Sylt, Germany in the North Sea. | | Teledyne 200e NOx Analyzer |
Coastal water biogeochemistry collected aboard the R/V Endeavor along the North Atlantic coast from 2017-08-20 to 2017-08-28 | Concentrations of nitrate + nitrite were measured by chemiluminescence after reduction in a hot acidic vanadyl sulfate solution on a NOx analyzer (Braman and Hendrix, 1989)
| NOx analyzer |
Dissolved and sinking particulate organic nitrogen data from a large volume mesocosm experiment in the Noumea Lagoon, New Caledonia, measured from January to February 2013 | DON concentration was measured on a Thermo Scientific 42i chemiluminescent NOx box.
| Thermo Scientific 42i chemiluminescent NOx |
Concentration measurements of water column phosphate, nitrate and nitrite, dissolved organic phosphorus, methane, and ethylene from samples collected during the R/V Neil Armstrong cruise AR16 in the western North Atlantic Ocean in May 2017 | | Antek model 7090 |