Found 824 datasets matching "ammonium".
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SRM 194a Ammonium Dihydrogen Phosphate - This Standard Reference Material (SRM) is a highly purified and homogeneous lot of crystalline ammonium dihydrogen phosphate (NH4H2PO4). It is intended...
Search relevance: 131.22 | Views last month: 0 -
SRM 194a Ammonium Dihydrogen Phosphate - This Standard Reference Material (SRM) is a highly purified and homogeneous lot of crystalline ammonium dihydrogen phosphate (NH4H2PO4). It is intended...
Search relevance: 125.52 | Views last month: 0 -
Quaternary ammonium compounds (QAC) are used in many commercial and household disinfection products. A method was developed to measure QAC occurrence in water discharged from three wastewater...
Search relevance: 112.13 | Views last month: 0 -
Two sets of PHREEQC input and output files are provided that illustrate the distribution of aqueous ammonium and ammonia as a function of physical (temperature) and chemical (pH and solution...
Search relevance: 92.76 | Views last month: 2 -
These data are carbon and nitrogen content and stable isotope measurements of sediments from a lagoon in the Baja California Peninsula. The %N column gives the percent nitrogen, the delta-15-NAir...
Search relevance: 86.34 | Views last month: 0 -
The present invention relates to pharmaceutically active ornithine compounds, particularly to pharmaceutically acceptable ammonium salts of N-acyl derivatives of...
Search relevance: 86.17 | Views last month: 0 -
Data set generated in collaboration with Dr Andy Lamb from Aerodyne Inc. Portions of this dataset are inaccessible because: Non-EPA-owned by Aerodyne Inc. They can be accessed through the...
Search relevance: 73.72 | Views last month: 0 -
This tabular data set represents the average normalized (wet) deposition, in kilograms per square kilometer multiplied by 100, of ammonium (NH4) for the year 2002 compiled for every MRB_E2RF1...
Search relevance: 73.42 | Views last month: 0 -
This dataset contains sediment samples, ammonium concentrations and methane data collected during R/V Atlantis cruise AT26-13 in the northern Gulf of Mexico from March 31 to April 21, 2014. The...
Search relevance: 70.81 | Views last month: 0 -
Predictions from the CMAQ model as used in EQUATES for Ann Arbor, Michigan in February and March 2016. Data was used in Andrew L. Holen, Kristen M. Foley, Havala O.T. Pye, Ryan D. Cook, Matthew J....
Search relevance: 69.17 | Views last month: 7 -
This data set represents the average normalized atmospheric (wet) deposition, in kilograms, of Ammonium (NH4) for the year 2002 compiled for every catchment of NHDPlus for the conterminous...
Search relevance: 68.71 | Views last month: 0 -
Perchlorate is an environmental contaminant that interferes with iodine uptake via the NIS transporter into the thyroid gland, reducing thyroid hormone (TH) synthesis. As adequate supplies of TH...
Search relevance: 65.91 | Views last month: 1 -
Sampling was conducted by the U.S. Geological Survey (USGS) at four wells, one surface water site, and five soil sampling locations near and at the Ammonium Perchlorate Rocket Motor Destruction...
Search relevance: 64.26 | Views last month: 0 -
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI...
Search relevance: 59.96 | Views last month: 0 -
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI...
Search relevance: 59.29 | Views last month: 0 -
Atmospheric deposition of reactive nitrogen (Nr) due to human activities can have measurable effects on ecosystem processing and export of nutrients, groundwater and surface-water quality. Rates...
Search relevance: 58.47 | Views last month: 0 -
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI...
Search relevance: 53.75 | Views last month: 0 -
This dataset contains salt marsh nutrient data to determine the biogeochemical impact of elevated nutrient loading on ecosystem carbon dynamics and nitrate reduction pathways (denitrification and...
Search relevance: 50.48 | Views last month: 0 -
Several models were used to describe the partitioning of ammonia, water, and organic compounds between the gas and particle phases for conditions in the southeastern US during summer 2013....
Search relevance: 48.91 | Views last month: 1 -
We conducted a year-long study with the main objective of comparing seasonal plant productivity, ecosystem respiration (ER), denitrification, and dissimilatory nitrate reduction to ammonium (DNRA)...
Search relevance: 48.81 | Views last month: 0