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Chemical compound
Ammonium nitrite is a chemical compound with the chemical formula [NH4]NO2. It is the ammonium salt of nitrous acid. It is composed of ammonium cations
Ammonium_nitrite
The anion form of nitrogen dioxide
recrystallization. Alkali metal nitrites are thermally stable up to and beyond their melting point (441 °C (826 °F) for KNO2). Ammonium nitrite can be made from dinitrogen
Nitrite
Bengali chemist, educationist, nationalist, industrialist and philanthropist
displacement ammonium between chloride and silver nitrite is one of the notable contributions of P. C. Ray. He proved that the pure ammonium nitrite is indeed
Prafulla_Chandra_Ray
following steps: ammonium carbonate solution is prepared by reacting ammonia, carbon dioxide and water an alkaline solution of ammonium nitrite is formed by
Raschig_hydroxylamine_process
Chemical compound
Sodium nitrite is an inorganic compound with the chemical formula NaNO2. It is a white to slightly yellowish crystalline powder that is very soluble in
Sodium_nitrite
Anaerobic ammonium oxidation, a microbial process of the nitrogen cycle
surprise for the scientific community. In the anammox reaction, nitrite and ammonium ions are converted directly into diatomic nitrogen and water. The
Anammox
Chemical decomposition caused by heat
strong heating yields dinitrogen oxide ("laughing gas") and water. Ammonium nitrite on heating yields nitrogen gas and water. Barium azide on heating yields
Thermal_decomposition
Chemolithotrophic organisms
Nitrification in nature is a two-step oxidation process of ammonium (NH+4) or ammonia (NH3) to nitrite (NO−2) and then to nitrate (NO−3) catalyzed by two ubiquitous
Nitrifying_bacteria
Chemical compound
sunlight. When reacting with acids, potassium nitrite forms toxic nitrous oxides. Fusion with ammonium salts results in effervescence and ignition. Reactions
Potassium_nitrite
Polyatomic cation
use of fertilizers, there is much interest in ammonium in soils. Ammonium is oxidized to first to nitrite and then to nitrate by nitrifying bacteria in
Ammonium
Biogeochemical cycle by which nitrogen is converted into various chemical forms
in a wide variety of chemical forms including organic nitrogen, ammonium (NH+4), nitrite (NO−2), nitrate (NO−3), nitrous oxide (N2O), nitric oxide (NO)
Nitrogen_cycle
Anaerobic respiration process by microbes
Dissimilatory nitrate reduction to ammonium (DNRA), also known as nitrate/nitrite ammonification, is the result of anaerobic respiration by chemoorganoheterotrophic
Dissimilatory nitrate reduction to ammonium
Dissimilatory_nitrate_reduction_to_ammonium
Chemical compound with formula NH4NO3
Ammonium nitrate is a chemical compound with the formula NH4NO3. It is a white crystalline salt consisting of ions of ammonium and nitrate. It is highly
Ammonium_nitrate
Chemical compound
monoprotic acid known only in solution, in the gas phase, and in the form of nitrite (NO− 2) salts. It was discovered by Carl Wilhelm Scheele, who called it
Nitrous_acid
Chemical compound
Calcium nitrite is an inorganic compound with the chemical formula Ca(NO 2) 2. In this compound, as in all nitrites, nitrogen is in a +3 oxidation state
Calcium_nitrite
Organic compounds of the form R–O–N=O
fruity odor. Another frequently encountered nitrite is amyl nitrite (3-methylbutyl nitrite). Alkyl nitrites were initially, and largely still are, used
Alkyl_nitrite
Chemical compound
consists of the transition metal nitrite complex [Co(NO2)6]3−. It was a reagent for the qualitative test for potassium and ammonium ions. The compound is prepared
Sodium hexanitritocobaltate(III)
Sodium_hexanitritocobaltate(III)
Chemical compound
Ammonium azide is the chemical compound with the formula [NH4]N3, being the salt of ammonia and hydrazoic acid. Like other inorganic azides, this colourless
Ammonium_azide
Chemical compound
containing sodium nitrate and nitrite, have been linked to gastric cancer and esophageal cancer. Sodium nitrate and nitrite are associated with a higher
Sodium_nitrate
Class of enzymes
In enzymology, a nitrite reductase [NAD(P)H] (EC 1.7.1.4) is an enzyme that catalyzes the chemical reaction ammonium hydroxide + 3 NAD(P)+ + H2O ⇌ {\displaystyle
Nitrite_reductase_(NAD(P)H)
Inorganic compound
[NH3OH]2[SO4] Another route to NH2OH is the Raschig process: aqueous ammonium nitrite is reduced by HSO−3 and SO2 at 0 °C to yield a hydroxylamido-N,N-disulfonate
Hydroxylamine
Polyatomic ion (NO3, charge –1) found in explosives and fertilisers
elements of the periodic table: Ammonium Eutrophication f-ratio in oceanography Frost diagram Nitrification Nitratine Nitrite, the anion NO2− Nitrogen oxide
Nitrate
SHARON (Single reactor system for High activity Ammonium Removal Over Nitrite) is a sewage treatment process. A partial nitrification process of sewage
SHARON_Wastewater_Treatment
Chemical compound
[NH3OH]2[SO4] Another route to NH2OH is the Raschig process: aqueous ammonium nitrite is reduced by HSO−3 and SO2 at 0 °C to yield a hydroxylamido-N,N-disulfonate
Hydroxylammonium_sulfate
Chemical compound
hydroxide and hydrogen. Other ways to make the disodium nitrite include reacting sodium with ammonium nitrate or electrolysing sodium nitrate solution. The
Nitroxylic_acid
to function. Instead, the metabolism of anammox bacteria convert ammonium and nitrite into dinitrogen gas. Anammox bacteria are a wastewater treatment
Anammox for wastewater treatment
Anammox_for_wastewater_treatment
Chemical compound
potassium nitrate reaches a temperature-dependent equilibrium with potassium nitrite: 2 KNO3 ⇌ 2 KNO2 + O2 Potassium nitrate has a wide variety of uses, largely
Potassium_nitrate
Common name for several species of fish
7.5–8.4 is ideal with an almost pristine (near 0 ppm) ammonia and ammonium nitrite content. Many mbuna cichlids are regularly stocked and sold by pet
Mbuna
Disinfectant used by barbers and cosmetologists
Its active ingredient is alkyl dimethyl benzyl ammonium chloride (5.12% by volume); sodium nitrite and blue dye are also present. Barbicide is sold
Barbicide
Chemical compound
many nitrates, nitrites, cyanides, thiocyanates, metal cyclopentadienyl complexes and metal bis(trimethylsilyl)amides. Most ammonium salts are soluble
Ammonia
Biological oxidation of ammonia/ammonium to nitrate
first stage of ammonia oxidation, where ammonia (NH3) or ammonium (NH4+) get converted into nitrite (NO2−). This first stage is sometimes known as nitritation
Nitrification
Indian inventions
Digital rupee users to hit 50,000 by Jan-end on better acceptance. Ammonium nitrite, synthesis in pure form – Prafulla Chandra Roy synthesised NH4NO2 in
List of Indian inventions and discoveries
List_of_Indian_inventions_and_discoveries
Chemical element with atomic number 7 (N)
laboratory, it is prepared by treating an aqueous solution of ammonium chloride with sodium nitrite. NH4Cl + NaNO2 → N2 + NaCl + 2 H2O Small amounts of the
Nitrogen
OXidation) is the name attributed to an organism that can convert ammonia into nitrite and then into nitrate through the process of nitrification. Nitrification
Comammox
Reduction of nitrate as a form of anaerobic respiration
source, C/N ratio, nitrate and dissolved oxygen concentration on nitrite and ammonium production from denitrification process by Pseudomonas stutzeri D6"
Denitrification
Species of bacterium
in a waste water treatment plant in Delft, Netherlands. Ammonium oxidation is coupled to nitrite reduction to form the harmless dinitrogen gas. The key
Brocadia_anammoxidans
Chemical compound
counterion for nickel(II) in electroplating. Used to separate nitrite ions from mixture of nitrite and nitrate ions (NO3− + NO2−) during qualitative analysis
Sulfamic_acid
Organism that ingests organic carbon for nutrition
Lithoheterotrophs, on the other hand, use inorganic compounds such as ammonium, nitrite, or sulfur, to obtain electrons. Another way of classifying different
Heterotroph
Organic compound
down in the soil to give ammonium ions (NH+4). The ammonium is taken up by the plant through its roots. In some soils, the ammonium is oxidized by bacteria
Urea
Species of bacterium
an interest to many researchers due to its ability to reduce nitrite and oxidize ammonium into nitrogen gas and water. Ca. A. propionicus obtain their
Anammoxoglobus
Bacteria using nitrate and nitrite as a terminal electron acceptor
involves converting ammonium to nitrate via the nitrification process with ammonium oxidizing bacteria (AOB, NH4+ → NO2–) and nitrite oxidizing bacteria
Denitrifying_bacteria
Species of bacterium
anoxic conditions, meaning no oxygen, through the metabolism of ammonium and nitrate or nitrite. Anammox metabolism is rare in nature and was only discovered
Brocadia_fulgida
Chemical compound, [NH3OH]Cl
(biological oxidation of ammonia with oxygen into nitrite) and in anammox (biological oxidation of nitrite and ammonium into dinitrogen gas) which are important
Hydroxylammonium_chloride
Alkaline solution
analysis of nitrite and nitrate in soil and water after conversion, typically by reduction with Devarda's alloy, of these species to ammonium. Sims, G.
Berthelot's_reagent
Tetranitromethane UN 1511 5.1 Urea hydrogen peroxide UN 1512 5.1 Zinc ammonium nitrite UN 1513 5.1 Zinc chlorate UN 1514 5.1 Zinc nitrate UN 1515 5.1 Zinc
List of UN numbers 1501 to 1600
List_of_UN_numbers_1501_to_1600
C6H16N2 propyltrimethylhydrazine 60678-65-1 C6H16N2O2 diisopropyl ammonium nitrite 3129-93-9 C6H16N2S thiodipropylamine 13643-20-4 C6H16N4O6 triacetamide
List of compounds with carbon number 6
List_of_compounds_with_carbon_number_6
Dioxide, Water Inorganic Electron Donation Ammonium, Nitrite, Iron, Manganese are oxidized. Nitrate, Nitrite, Iron, Manganese, Sulfate Fermentation Toxic
Bioremediation_of_oil_spills
Sub-discipline of chemistry
Nelson, JH (1992). "Photocatalytic oxidation of aqueous ammonia (ammonium ion) to nitrite or nitrate at TiO2 particles". Monatshefte für Chemie. 123 (4):
Photogeochemistry
Chemical test
be detected by first reducing it to the more reactive nitrite ion and using one of many nitrite tests. A common nitrate test, known as the brown ring
Nitrate_test
Enzyme class
1016/0003-9861(68)90349-4. PMID 4298499. Wang R, Nicholas DJ (1986). "Some properties of nitrite and hydroxylamine reductases from Derxia gummosa". Phytochemistry. 25 (11):
Hydroxylamine reductase (NADH)
Hydroxylamine_reductase_(NADH)
Chemical compound
also be used to test for the presence of ammonium ions[citation needed]. The color of ammonium chloride or ammonium hydroxide solution will vary depending
Azo_violet
In oceanic biogeochemistry, the fraction of total primary production fuelled by nitrate
fuelled by ammonium in this way is thus referred to as regenerated production. However, ammonium can also be oxidised to nitrate (via nitrite), by the process
F-ratio_(oceanography)
Alternative respiratory strategies in hypoxic waters
NH3 to NO2−. Followed by nitrite oxidation by nitrite-oxidizing bacteria (NOB), which converts NO2− to NO3−. Ammonium and nitrite oxidizers have a high affinity
Microbiology of oxygen minimum zones
Microbiology_of_oxygen_minimum_zones
Chemical compound
synthesizing this reagent involves a Sandmeyer reaction using aniline, sodium nitrite and copper(I) thiocyanate. Isothiocyanate Naphthyl isothiocyanate Nomenclature
Phenyl_isothiocyanate
German satellite
The fluids were to be monitored with seven electrodes to measure ammonium, nitrite, nitrate, pH, chloride, sodium, and potassium. To monitor the health
EuCROPIS
Herbal liquid
but an old name for nitric acid (but "sweet spirit of nitre" was ethyl nitrite) Similarly "spirit(s) of salt" actually meant hydrochloric acid. The concentrated
Tincture
facilitates the ammonium assimilation pathway, which follows the enzymes, nitrite reductase and glutamine synthase. An ammonium produced by the nitrite reductase
Glutamate_synthase_(NADH)
51345-51-8 C12H24 triisobutylene 7756-94-7 C12H24N2O2 dicyclohexyl ammonium nitrite 3129-91-7 C12H24N2O4 carisoprodol 78-44-4 C12H24O cyclododecanol 1724-39-6
List of compounds with carbon number 12
List_of_compounds_with_carbon_number_12
Organic nitrogen from inorganic nitrogen
Plants absorb nitrogen from the soil in the form of nitrate (NO3−) and ammonium (NH4+). In aerobic soils where nitrification can occur, nitrate is usually
Nitrogen_assimilation
Strong increase in phytoplankton abundance that typically occurs in the early spring
organisms are unable to fix atmospheric nitrogen into usable forms (i.e. ammonium, nitrite, or nitrate). However, with the exception of coastal waters, it can
Spring_bloom
Class of enzymes
reductase (EC 1.7.7.2) is an enzyme that catalyzes the chemical reaction nitrite + H2O + 2 oxidized ferredoxin ⇌ {\displaystyle \rightleftharpoons } nitrate
Ferredoxin—nitrate_reductase
Organic compounds of the form >C=O
Enamine Ammonium Hydrazo Nitrene Imine Oxime Hydrazone Azo Amide Imidate Amidine Carbamate Imide Nitrile Isonitrile Cyanate Isocyanate Nitrate Nitrite Nitro
Ketone
Polyatomic ion (S2O3, charge –2)
the salts of thiosulfuric acid, such as sodium thiosulfate (Na2S2O3) and ammonium thiosulfate ((NH4)2S2O3). Thiosulfate salts occur naturally. Thiosulfate
Thiosulfate
Species of bacterium
new aerobic denitrifying bacterium. The strain could use nitrate, nitrite and ammonium as the sole N-source for growth with a final product of N2, demonstrating
Acinetobacter_haemolyticus
Genus of bacteria
Nitrospira allow ammonium oxidizers and other microbes to co-exist in the same microenvironment. All members of this genus have the nitrite oxidoreductase
Nitrospira
important nutrient cycles include macronutrients such as nitrogen (as ammonium, nitrite, and nitrate), silicate, phosphorus, and micronutrients, which are
Nutrient cycling in the Columbia River Basin
Nutrient_cycling_in_the_Columbia_River_Basin
Class of bacteria
carbon dioxide and their electrons from reduced inorganic ions such as nitrite, ammonium, thiosulfate or sulfide — many of these chemolithoautotrophic. Betaproteobacteria
Betaproteobacteria
Chemical contamination
ammonia reacts with other pollutants in the air to form fine particles of ammonium salts, which affect human breathing. Ammonia gas can also affect the chemistry
Ammonia_pollution
Organic compound containing an –NO2 group
chloroacetate with sodium nitrite. (In general, alkali nitrites are unsuitable for Meyer reactions, as they give an equilibrium of mostly nitrite esters; but decarboxylation
Nitro_compound
Diagnostic tool used in urinalysis
proteins, glucose, ketones, haemoglobin, bilirubin, urobilinogen, acetone, nitrite and leucocytes as well as testing of pH and specific gravity or to test
Urine_test_strip
Chemical compound
stables or caverns. A variety of related salts are known including calcium ammonium nitrate decahydrate and calcium potassium nitrate decahydrate. Norgessalpeter
Calcium_nitrate
Chemical compounds and groups containing nitrogen with a lone pair (:N)
of ammonium compounds exhibit the following order of solubility in water: primary ammonium (RNH+3) > secondary ammonium (R2NH+2) > tertiary ammonium (R3NH+)
Amine
Non-explosives producing heat, light and sound
temperatures produces nitrite ash, at higher temperatures decomposes completely. Calcium nitrate – also a red-orange colorant. Ammonium nitrate – used in
Pyrotechnic_composition
Any chemical compound having at least one nitrogen atom
themselves. They are an intermediate step in the oxidation of ammonia to nitrite, which occurs in the nitrogen cycle. Hyponitrite can act as a bridging
Nitrogen_compounds
Chemical compound
Potassium osmate reacts with potassium nitrite to yield potassium osmyl nitrite, and it reacts with ammonium salts to produce osmyl tetra-ammine compounds
Potassium_osmate
Organic compounds of the form >C=N–OH
compounds. Thus alkyl nitrites react with carbon acids to give oximes: methyl ethyl ketone with ethyl nitrite, propiophenone with methyl nitrite, and phenacyl
Oxime
Method for maturing aquarium ecosystems
surface area, such as the filter. Allowing ammonia to be converted to nitrite and onto the less harmful nitrate minimizes stress and injury to aquarium
Fishless_cycling
Chemical compound
presence of oxygen, concentrated solutions give rise to nitrites Cu(NO2)2(NH3)n. The nitrite results from oxidation of the ammonia. Schweizer's reagent
Schweizer's_reagent
Chemical compound
of the type CH3CH2CH2O, which arise via homolysis of the corresponding nitrite ester. These alkoxy radicals are susceptible to C—C fragmentation reactions
Nitromethane
Anion and chemical group (–N3)
increases its thermodynamical stability. Azides decompose with nitrite compounds such as sodium nitrite. Each elementary redox reaction is also a comproportionation
Azide
Functional group (C=O)
Enamine Ammonium Hydrazo Nitrene Imine Oxime Hydrazone Azo Amide Imidate Amidine Carbamate Imide Nitrile Isonitrile Cyanate Isocyanate Nitrate Nitrite Nitro
Carbonyl_group
Species of bacterium
bacterium is an obligate anaerobic chemolithotroph that undergoes anaerobic ammonium oxidation (anammox). It can be used in the wastewater treatment industry
Scalindua_wagneri
Functional group which gives an organic molecule explosive properties
nitrogen atom bound to three oxygen atoms, (e.g. nitroglycerin, ANFO) the nitrite ion, a nitrogen atom bound to two oxygen atoms Most commercially used explosives
Explosophore
Blue dye also used as a medication
for treating sodium nitrite overdoses, in particular when sodium nitrite is used as part of a suicide attempt. Isobutyl nitrite is one of the compounds
Methylene_blue
Small river that flows into the Azov Sea
2005, the waters of Malaya Cherepakha River contained an excess of ammonium, nitrites, phosphates, manganese, iron, petroleum products, nickel, vanadium
Malaya_Cherepakha
Impact-resistant high explosive
Examples of explosive blends containing TNT include: Amatex (ammonium nitrate and RDX) Amatol (ammonium nitrate) Baratol (67% barium nitrate and 33% TNT) Composition
TNT
Chemical group (–CH3) derived from methane
Enamine Ammonium Hydrazo Nitrene Imine Oxime Hydrazone Azo Amide Imidate Amidine Carbamate Imide Nitrile Isonitrile Cyanate Isocyanate Nitrate Nitrite Nitro
Methyl_group
Organic compounds made of alkyl/aryl groups bound to oxygen (R–O–R')
Enamine Ammonium Hydrazo Nitrene Imine Oxime Hydrazone Azo Amide Imidate Amidine Carbamate Imide Nitrile Isonitrile Cyanate Isocyanate Nitrate Nitrite Nitro
Ether
Chemical compound
it is used in biological experiments as a protein inhibitor, and as an ammonium salt (known as aluminon) it is used as a reagent to estimate the aluminium
Aurintricarboxylic_acid
Anion with formula OCN and charge –1
cyanic acid (a.k.a. cyanol), H−O−C≡N. Any salt containing the ion, such as ammonium cyanate, is called a cyanate. The cyanate ion is an isomer of the much-less-stable
Cyanate
Chemical group (>N–C(=O)–O–)
functional groups; as well as salts with the carbamate anion H2NCOO− (e.g. ammonium carbamate). Polymers whose repeat units are joined by carbamate like groups
Carbamate
Lake in Benin
there are 0.38 ± 0.16 mg/L of ammonium ions and 0.22 ± 0.03 mg/ during the rainy season. There are 0.20 ± 0.25 mg/L of nitrite ions in the dry season and
Lake_Togbadji
Cyclic chemical group (–C6H5)
Enamine Ammonium Hydrazo Nitrene Imine Oxime Hydrazone Azo Amide Imidate Amidine Carbamate Imide Nitrile Isonitrile Cyanate Isocyanate Nitrate Nitrite Nitro
Phenyl_group
Microbial process
Sulfate reduction coupled to ammonium oxidation (anammox), or sulfammox, is a novel multi-step microbial process especially pertinent to industrial wastewater
Sulfammox
Class of functional groups with a –N=O group attached
compounds (e.g., nitrosamines, RN(−R’)−N=O), and O-nitroso compounds (alkyl nitrites; RO−N=O). Nitroso compounds can be prepared by the reduction of nitro compounds
Nitroso
Microbe which derives energy from minerals
anaerobic ammonia oxidizing bacteria (anammox), which use ammonia and nitrite to produce dinitrogen (N2). Additionally, in July 2020, researchers reported
Lithoautotroph
Chemical compounds with the structure R–O–O–R'
Enamine Ammonium Hydrazo Nitrene Imine Oxime Hydrazone Azo Amide Imidate Amidine Carbamate Imide Nitrile Isonitrile Cyanate Isocyanate Nitrate Nitrite Nitro
Peroxide
Order of bacteria
Methyloversatilis. Members of the genus Nitrosomonas oxidize ammonium ions into nitrite, a process called nitrification, and are important in the nitrogen
Nitrosomonadales
Polyatomic ion
It is an onium ion because its nitrogen atom has +1 charge, similar to ammonium ion [NH4]+. It is created by the removal of an electron from the paramagnetic
Nitronium_ion
Organic compound containing the functional group R–CH=O
Enamine Ammonium Hydrazo Nitrene Imine Oxime Hydrazone Azo Amide Imidate Amidine Carbamate Imide Nitrile Isonitrile Cyanate Isocyanate Nitrate Nitrite Nitro
Aldehyde
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