Nitrates
An inorganic form or nitrogen which is also an important plant nutrient and inorganic fertilizer. Nitrate pollution is an environmental concern as nitrates frequently contaminate groundwater, particularly in rural areas.
Nitrate
A compound containing nitrogen that can exist in the atmosphere or as a dissolved gas in water and which can have harmful effects on humans and animals. Nitrates in water can cause severe illness in infants and domestic animals.
Nitrate sensitive area
a defined area, designated by statutory order, within which measures are taken to minimise the leaching of nitrates from agriculture into groundwater ...
Nitrate
Plant nutrient and inorganic fertilizer that enters water supply sources from septic systems, animal feed lots, agricultural fertilizers, manure, industrial waste waters, sanitary landfills and garbage dumps.(1) ...
Nitrate
Formed when ammonia is degraded by microorganisms in soil or groundwater. This compound is usually associated with fertilizers.
Nitroaromatics ...
Nitrates are materials containing the "nitrate" ion group made of nitrogen and oxygen; sources include animal wastes and some fertilizers; can seep into groundwater; linked to human health problems, ...
N nitrate
Definition (english only)
Inorganic form of nitrogen. An important plant nutrient and type of inorganic fertilizer (most highly oxidized phase in the nitrogen cycle).
Chlorine Nitrate - ClONO2, this is a stratospheric reservoir species for chlorine and nitrogen, two of the catalysts in the breakdown of ozone.
Removal of nitrate and nitrate product from water to produce a quality that answeres common water standards.
Density
The weight of a certain amount of water. It is usually expressed in kilograms per cubic metre.
nitrogen to nitrate nitrogen.
nitrification inhibitor. A chemical that slows down the
conversion of ammonium to nitrate nitrogen.
Peroxyacytal Nitrate: A group of compounds formed from the photochemical reactions of nitrogen and organic compounds. PANs are components of smog and known to cause eye irritation.
The biochemical conversion of nitrate; and nitrite nitrogen in the soil dissolved in water to gaseous nitrogen.
density (DEN-sit-tee). A measure of how heavy a substance (solid, liquid or gas) is for its size.
Acid rain is a form of acid deposition in which sulphur dioxide (SO2) and nitrogen oxides (NOx) transform into acidic particles or vapors (such as sulphuric acid (H2SO4), ammonium nitrate (NH4NO3) and nitric acid (HNO3)) in the atmosphere over ...
Nitrification The conversion of nitrites to nitrates, usually by microorganisms. The term is commonly used to describe the process of conversion of ammonium ions via nitrites to nitrates.
denitrification the microbial production of N2 and N2O from nitrites and nitrates, mostly anaerobic, but not always ...
0 ppmdenitrification The biochemical conversion of dissolved nitrate and nitrite nitrogen in soil or water to nitrogen gas. desalination The removal of dissolved salts, such as sodium chloride, from water.
denitrification 1) Chemical conversion of nitrates to molecular nitrogen or to nitrous oxide or to ammonia by bacteria or by lightning. 2) The biochemical conversion of nitrate and nitrite nitrogen in the soil or contained in water to gaseous ...
Denitrification: biochemical conversion of nitrate (NO3) to nitrite (NO2), ammonia (NH3), and free nitrogen (N), as in soil by microorganisms.
Dioxins: heterocyclic hydrocarbons that occur as toxic impurities, especially in pesticides.
Quicksilver water: A solution of mercury nitrate used in gilding.
Quickwater: The part of a stream that has a strong current; an artificial current or bubbling patch of water just astern of a moving boat.
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Nitrification The biological oxidation of ammonia and ammonium sequentially to nitrite and then nitrate. It occurs naturally in surface waters, and can be engineered in wastewater treatment systems.
denitrification
Reduction of nitrates to nitrites, nitrogen oxides or dinitrogen (N2) catalysed by facultative aerobic soil bacteria under anaerobic conditions.
It may be a soft thin soil horizon or a hard thick bed just beneath the solum or a surface layer exposed by erosion. It is not a geologic deposit. (2) Alluvium cemented with sodium nitrate or sodium chloride or other soluble salts in the nitrate ...
The biological reduction of nitrate to nitrogen gas by denitrifying bacteria in soil.
Source: Terms of the Environment
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Monitor: To track a characteristic, such as dissolved oxygen, nitrate level, or fish population, over a period of time using uniform methods to evaluate change.
John Wesley Hyatt (1837-1920) developed a method of pressure working Proxylin a cellulose nitrate of low nitration, that has been plasticized with camphor and alcohol solvent. Patented as celluloid it achieved a notable commercial success.
nitrification. The biochemical transformation of ammonium nitrogen to nitrate nitrogen.
nitrification inhibitor. A chemical that slows down the conversion of ammonium to nitrate nitrogen.
Denitrification: The biological reduction of nitrate to nitrogen gas by denitrifying bacteria in soil.
Denitrification. The physical process of removing nitrate from water through reverse osmosis or other means.
In order of decreasing redox potential, these TEAs include nitrate, manganic manganese, ferric iron, sulfate, and carbon dioxide. Microorganisms preferentially utilize electron acceptors that provide the maximum free energy during respiration.
Water quality standards: Recommended or enforceable maximum contaminant levels of chemicals or materials (such as chlorobenzene, nitrate, iron, arsenic) in water.
Nitrification: The process whereby ammonia in wastewater is oxidized to nitrite and then to nitrate by bacterial or chemical reactions.
Microorganisms that use and prefer oxygen when it is available, but can also use alternate electron acceptors such as nitrate under anaerobic conditions when necessary.
Falling Head Test ...
in discussions of nitrogen-based air pollution as a reference to both nitric oxide (NO) and nitrogen dioxide (NO2). In addition to particulates and sulfur dioxide, NOX is one of the major electricity-related pollutants. It can transform to nitrates ...
to deforestation and adds to the greenhouse gases in the atmosphere. Charcoal briquettes do have the benefit of being made partly from sawdust (a good use of waste wood), but popular brands may also contain coal dust, starch, sodium nitrate, ...
Certain anions (negative charges) such as phosphorus may be retained in a soil by iron or aluminum compounds. In general, many anion nutrients, such as nitrate, are readily leached, or washed out of the soil, into stream or ground water.
25 Pesticides sprayed on land around rivers or lakes can carry contaminants into the water while chemical fertilizers such as nitrates, used in agriculture, dissolve into surface water and ground water and affect water supplies.26 ...
So farmers give their crops nitrogen in the form of animal manure or chemical fertilisers such as ammonium nitrate (which happens to be explosive and beloved of terrorists as a cheap and easy-to-get).
 See also: Water, Environment, Waste, Air, Reduce
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