| Total dissolved nitrogen (TDN) concentrations and δ15N measurements from samples collected on R/V Nathaniel B. Palmer GO-SHIP cruises NBP1706 and NBP1707 in the South Pacific from Jul 3 to Sep 30, 2017 | TDN concentration was measured on a Thermo 42i chemiluminescent NOx box. Sample concentrations were calibrated with standards that bracketed sample concentrations.
| Thermo 42i chemiluminescent NOx box |
| 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 |
| Total dissolved nitrogen (TDN) and total dissolved phosphorus (TDP) of samples collected on the West Florida Shelf during STING I cruise AE2305 on R/V Atlantic Explorer from Feb 20 to Mar 05, 2023 | TDN concentrations were measured using a Thermo 42i NOx analyzer and a Teledyne T200 NOx analyzer and were calibrated with standards that bracketed the concentration range of samples.
| Thermo 42i NOx analyzer |
| Total dissolved nitrogen (TDN) and total dissolved phosphorus (TDP) of samples collected on the West Florida Shelf during STING I cruise AE2305 on R/V Atlantic Explorer from Feb 20 to Mar 05, 2023 | TDN concentrations were measured using a Thermo 42i NOx analyzer and a Teledyne T200 NOx analyzer and were calibrated with standards that bracketed the concentration range of samples.
| Teledyne T200 NOx analyzer |
| Total dissolved nitrogen (TDN) and total dissolved phosphorus (TDP) of samples collected on the West Florida Shelf during STING II cruise EN704 on R/V Endeavor from Jul 1 to Jul 12, 2023 | TDN concentrations were measured using a Thermo 42i NOx analyzer and a Teledyne T200 NOx analyzer and were calibrated with standards that bracketed the concentration range of samples.
| Thermo 42i NOx analyzer |
| Total dissolved nitrogen (TDN) and total dissolved phosphorus (TDP) of samples collected on the West Florida Shelf during STING II cruise EN704 on R/V Endeavor from Jul 1 to Jul 12, 2023 | TDN concentrations were measured using a Thermo 42i NOx analyzer and a Teledyne T200 NOx analyzer and were calibrated with standards that bracketed the concentration range of samples.
| Teledyne T200 NOx analyzer |
| Total dissolved nitrogen (TDN) and total dissolved phosphorus (TDP) of samples collected from rivers draining onto the West Florida Shelf and submarine groundwater wells on the Western coast of Florida from Nov 2022 to Mar 2024 | TDN concentrations were measured using a Thermo 42i NOx analyzer and a Teledyne T200 NOx analyzer and were calibrated with standards that bracketed the concentration range of samples.
| Thermo 42i NOx analyzer |
| Total dissolved nitrogen (TDN) and total dissolved phosphorus (TDP) of samples collected from rivers draining onto the West Florida Shelf and submarine groundwater wells on the Western coast of Florida from Nov 2022 to Mar 2024 | TDN concentrations were measured using a Thermo 42i NOx analyzer and a Teledyne T200 NOx analyzer and were calibrated with standards that bracketed the concentration range of samples.
| Teledyne T200 NOx analyzer |
| TEP and CSP particle concentrations from samples collected from Station ALOHA to 31ºN in the North Pacific in June 2021 on the R/V Kilo Moana cruise KM2108 | | Thermo Scientific 42iQ NO-NO2-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 |
©2020 Biological and Chemical Oceanography Data Management Office.