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*  A case report of zinc phosphide poisoning: complicated by acute renal failure and tubulo interstitial nephritis | BMC...
Ammonium carbamate decomposes into ammonia and carbon dioxide. Phosphine is a respiratory toxin that inhibits cytochrome C ... zinc phosphide and the remainder being other ingredients including ammonium carbamate. Zinc phosphide (Zn3P2) is an inorganic ...
  https://bmcpharmacoltoxicol.biomedcentral.com/articles/10.1186/s40360-017-0144-7
*  carbon dioxide | chemical compound | Britannica.com
carbon dioxide: (CO 2), a colourless gas having a faint, sharp odour and a sour taste; it is a minor component of Earth's ... atmosphere (about 3 volumes in 10,000), formed in combustion of carbon... ... Ammonia reacts with carbon dioxide under pressure to form ammonium carbamate, then urea, an important component of fertilizers ... oxide: Carbon dioxide. Carbon dioxide is produced when any form of carbon or almost any carbon compound is burned in an excess ...
  https://www.britannica.com/science/carbon-dioxide
*  Urea synthesis with pool condenser | Synthesis | Urea | Chemical Plants & Processes | Products and Services - thyssenkrupp...
In a first fast exothermic reaction between ammonia and carbon dioxide, ammonium carbamate is formed. The second reaction is ... using carbon dioxide as the stripping agent to remove non-reacted ammonia and carbon dioxide. ... In view of the low ammonia and carbon dioxide concentrations in the stripped urea solution, a separate high pressure ammonia ... Ammonia and carbon dioxide are stripped off in a stacked two-desorber column whereas small amounts of urea are dissociated in ...
  https://www.thyssenkrupp-industrial-solutions.com/en/products-and-services/fertilizer-plants/urea-plants/urea-synthesis-plants/urea-synthesis-with-pool-condenser/
*  Alexander Shearer | Science! (and other good things)
Sometimes, however, the reactions just happen, like the breakdown of carbamate that gives us ammonia and carbon dioxide. In ... If you didn't have the carbamate breakdown reaction, it would leave a gap in your model metabolic network that would "break" if ...
  http://www.alexandershearer.com
*  Ammonium carbamate - Wikipedia
Ammonia and carbon dioxide is excessively fed to a synthesis reactor in this process. Ammonium carbamate is produced as an ... Ammonium carbamate reverts to carbon dioxide and ammonia even as a solid: NH2CO2NH4 → 2NH3 + CO2 It hydrates reversibly: ... reason for ammonium carbamate as an ingredient is to make the phosphine less flammable by freeing ammonia and carbon dioxide to ... It is prepared by the direct reaction between liquid ammonia and dry ice (solid carbon dioxide): 2 NH3 + CO2 → H2NCOONH4 The ...
  https://en.wikipedia.org/wiki/Ammonium_carbamate
*  Most recent papers with the keyword Carbon dioxide removal | Read by QxMD
Carbamate forms spontaneously from ammonia and carbon dioxide in aqueous solutions, so the kinases have potential for ... Coastal wetlands sequester large amounts of carbon in their soils, effectively removing carbon dioxide from the atmosphere and ... for high activated carbon production, by physical activation with carbon dioxide at different temperatures. The activated ... which utilizes hydrogen as electron donor and carbon dioxide as carbon source. Recent studies have shown that nitrous oxide (N2 ...
  https://www.readbyqxmd.com/keyword/51861
*  Urea | chemical compound | Britannica.com
Urea is now prepared commercially in vast amounts from liquid ammonia and liquid carbon dioxide. These two materials are ... combined under high pressures and elevated temperatures to form ammonium carbamate, which then decomposes at much lower ... reacts with carbon dioxide and ATP to form carbamoyl… ... These amino groups are converted to ammonia (NH3), which is ... Because its nitrogen content is high and is readily converted to ammonia in the soil, urea is one of the most concentrated ...
  https://www.britannica.com/science/urea
*  Patent US20100330003 - Oral care product and methods of use and manufacture thereof - Google Patents
Carbamate kinase may then break down carbamyl phosphate to form another molecule of ammonia and carbon dioxide, and in the ... In order to analyze for ammonia, an Ammonia Assay kit is used from Diagnostic Chemicals Limited (Oxford, Conn.). The intended ... may release carbon dioxide, leading to bloating and bursting of the containers. Moreover, it might be expected that lowering ... are polymerized olefinically or ethylenically unsaturated carboxylic acids containing an activated carbon-to-carbon olefinic ...
  http://www.google.com.au/patents/US20100330003
*  Urea - Wikipedia
... then recombining the resultant carbon dioxide and ammonia in a falling-film carbamate condenser and pumping the carbamate ... The carbon dioxide was usually wasted.) Later process schemes made recycling unused ammonia and carbon dioxide practical. This ... For use in industry, urea is produced from synthetic ammonia and carbon dioxide. As large quantities of carbon dioxide are ... The first is carbamate formation: the fast exothermic reaction of liquid ammonia with gaseous carbon dioxide (CO2) at high ...
  https://en.wikipedia.org/wiki/Urea
*  Carbamate - Wikipedia
For example, ammonium carbamate is generated by treatment of ammonia with carbon dioxide 2 NH3 + CO2 → NH4[H2NCO2] Carbamates ... The carbamate is formed when an uncharged lysine side chain near the ion reacts with a carbon dioxide molecule from the air ( ... A carbamate is an organic compound derived from carbamic acid (NH2COOH). A carbamate group, carbamate ester (e.g., ethyl ... Carbamate nerve agents While the carbamate acetylcholinesterase inhibitors are commonly referred to as "carbamate insecticides ...
  https://en.wikipedia.org/wiki/Carbamate
*  Cyanase - Wikipedia
Cyanase catalyzes the conversion of cyanate to carbamate (H2NCOO−), which then spontaneously decomposes to carbon dioxide and ... is an enzyme which catalyses the reaction of cyanate with bicarbonate to produce ammonia and carbon dioxide. The systematic ... ammonia: cyanate (OCN−) + HCO3− + H+ ⇌ {\displaystyle \rightleftharpoons } carbamate (H2NCOO−) + CO2 carbamate (H2NCOO−) + H+ ... name of this enzyme is carbamate hydro-lyase. ...
  https://en.wikipedia.org/wiki/Cyanase
*  Kinetics of the NH3 and CO2 solid-state reaction at low temperature - Physical Chemistry Chemical Physics (RSC Publishing)
... the product of which is ammonium carbamate (NH4+NH2COO−). It is ... Ammonia and carbon dioxide play an important role in both atmospheric and interstellar ice chemistries. This work presents a ... Ammonia and carbon dioxide play an important role in both atmospheric and interstellar ice chemistries. This work presents a ... This work helps to determine the rate of removal of CO2 and NH3, via their conversion into ammonium carbamate, from atmospheric ...
  https://pubs.rsc.org/en/Content/ArticleLanding/2014/CP/C4CP02414A
*  The irradiation of 1:1 mixture of ammonia:carbon dioxide ice at 30 K using 1 kev electrons - ePrints@IISc
The formation of ammonium ions (NH4+), cyanate ions (OCN-), CO was observed leading to the synthesis of ammonium carbamate ( ... Jheeta, S and Ptasinska, S and Sivaraman, B and Mason, NJ (2012) The irradiation of 1:1 mixture of ammonia:carbon dioxide ice ... The irradiation of 1:1 mixture of ammonia:carbon dioxide ice at 30 K using 1 kev electrons ...
  http://eprints.iisc.ernet.in/45013/
*  ammonolysis: Topics by WorldWideScience.org
The formation of carbon dioxide proceeds by both stepwise and associative mechanisms, the latter being more important at higher ... Candida antartica lipase B mediates ammonolysis of the ester with ammonium carbamate as ammonia donor to yield up to 71% of the ... The inclusion of Ascarite and calcium chloride as adsorbents for carbon dioxide and ethanol byproducts, respectively, increases ... but carbon dioxide was formed much faster during the reducing pulses, particularly at 450/sup 0/C. These findings suggested ...
  https://worldwidescience.org/topicpages/a/ammonolysis.html
*  Urease - Wikipedia
It is an enzyme that catalyzes the hydrolysis of urea into carbon dioxide and ammonia. The reaction occurs as follows: (NH2)2CO ... H2O → CO2 + 2NH3 More specifically, urease catalyzes the hydrolysis of urea to produce ammonia and carbamate; the carbamate ... The carbamate produced then spontaneously degrades to produce another ammonia and carbonic acid. The mechanism proposed by ... The carbonyl carbon is subsequently attacked by the electronegative oxygen. A pair of electrons from the nitrogen-carbon double ...
  https://en.wikipedia.org/wiki/Urease
*  Carbamic acid - Wikipedia
Carbamic acid is an intermediate in the production of urea, which involves the reaction of carbon dioxide and ammonia. CO2 + ... Carbamates usually refer to esters of carbamic acid. Methyl carbamate is the simplest ester of carbamic acid. Unlike carbamic ... They are generally unstable, reverting to the parent amine and carbon dioxide. The deprotonated anion (or conjugate base) of ... the hydrolysis of an ester bond produces carbamic acid the evolution of carbon dioxide drives the deprotection reaction forward ...
  https://en.wikipedia.org/wiki/Carbamic_acid
*  Jaburetox: update on a urease-derived peptide | Journal of Venomous Animals and Toxins including Tropical Diseases | Full Text
... which then decomposes through a spontaneous reaction of carbon dioxide in a second molecule of ammonia. These enzymes have been ... Ureases (urea amidohydrolases; EC 3.5.1.5) are enzymes that catalyze the hydrolysis reaction of urea to ammonia and carbamate, ...
  https://jvat.biomedcentral.com/articles/10.1186/s40409-017-0122-y
*  Library - Chemical Injury Information Network
Carbamates. Carbaryl. Carbon dioxide. Carbon monoxide. Chlordane. Chlorobenzene. Chloroform. Chlorpyrifos (Dursban). ... Ammonia. Aniline. Aniline. Antimony. Arsenic. Asbestos. Bendiocarb. Benzene. Beryllium. Bisphenol A. Bromine. Butadiene. ...
  http://ciin.org/library.html
*  Ammonium carbonate - Wikipedia
Since it readily degrades to gaseous ammonia and carbon dioxide upon heating, it is used as a leavening agent and also as ... The ingredient ammonium carbonate is a mix of ammonium bicarbonate (NH4HCO3) and ammonium carbamate (NH2COONH4). It is prepared ... It acts as a heat activated leavening agent and breaks down into carbon dioxide (leavening), ammonia (which needs to dissipate ... Ammonium carbonate is produced by combining carbon dioxide and aqueous ammonia. About 80000 tons/year were produced as of 1997 ...
  https://en.wikipedia.org/wiki/Ammonium_carbonate
*  An Insight into the Prevalence and Enzymatic Abatement of Urethane in Fermented Beverages | SpringerLink
... also known as ethyl carbamate (NH2COOC2H5), is generally formed in fermented products, especially in alcoholic beverages, ... Urethanase, which directly hydrolyzes urethane into ethanol, carbon dioxide and ammonia, has industrial potential for enzymatic ... Guengerich FP, Kim DH (1991) Enzymic oxidation of ethyl carbamate to vinyl carbamate and its role as an intermediate in the ... Sen NP, Seaman SW, Boyle M, Weber D (1993) Methyl carbamate and ethyl carbamate in alcoholic beverages and other fermented ...
  https://link.springer.com/chapter/10.1007%2F978-981-10-7140-9_8
*  Carbonate ester - Wikipedia
The reaction of carbon dioxide with epoxides is a general route to the preparation of cyclic 5-membered carbonates. Annual ... Ammonia that is produced can be recycled. Effectively ammonia serves as a catalyst for the synthesis of dimethyl carbonate. The ... byproducts are methyl- and N-methylcarbamate (the latter from the reaction between dimethyl carbonate and methyl carbamate). ... In principle carbonate esters can be prepared the direct condensation of methanol and carbon dioxide. The reaction is ...
  https://en.wikipedia.org/wiki/Carbonate_ester
*  Acute inhalation injury - Wikipedia
Smoke, chlorine, phosgene, sulfur dioxide, hydrogen chloride, hydrogen sulfide, nitrogen dioxide, ozone, and ammonia are common ... carbon monoxide, and sulfur dioxide. Chlorine is a relatively common gas in industry with a variety of uses. It is used to ... Methyl isocyanate is an intermediate chemical in the production of carbamate pesticides (such as carbaryl, carbofuran, methomyl ... sulfur dioxide, hydrogen chloride, hydrogen sulfide, nitrogen dioxide, ozone, and ammonia are among the most important irritant ...
  https://en.wikipedia.org/wiki/Acute_inhalation_injury
*  Singh, TX - Patent applications
... the syngas can be reacted with liquid ammonia to provide a carbon dioxide lean syngas and an ammonium carbamate solution. The ... Carbon monoxide and/or carbon dioxide in the carbon dioxide-lean syngas can be converted to methane to produce a methanated ... At least a portion of the carbon dioxide can be separated from the shifted syngas to produce a carbon dioxide-lean syngas. ... the syngas can be reacted with liquid ammonia to provide a carbon dioxide lean syngas and an ammonium carbamate solution. The ...
  http://www.patentsencyclopedia.com/inventor/singh-tx-3/
*  Nitrospira moscoviensis - Wikipedia
... moscoviensis to cleave urea into ammonia and carbon dioxide allows for a symbiotic relationship with ammonia-oxidizing ... Urease encoding genes function by catalyzing urea hydrolysis to form ammonia and carbamate. Nitrospira moscoviensis grows in ... N. moscoviensis provides ammonia via hydrolysis of urea to these ammonia-oxidizing microorganisms which in turn produce nitrite ... The first step of Nitrification requires an ammonia-oxidizing bacterium (AOB) or ammonia-oxidizing archaeon (AOA) followed by a ...
  https://en.wikipedia.org/wiki/Nitrospira_moscoviensis