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Topic: Anhydrous ammonia


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  Anhydrous Ammonia: Managing The Risks
Ammonia is a chemical compound used as a fertilizer because it is rich in nitrogen.
When anhydrous ammonia is released from compression in a storage tank (200 psi) to the atmosphere (0 psi), the temperature drops from 100 degrees F to minus 28 degrees F. At this temperature, ammonia will freeze-burn the skin on contact.
Anhydrous ammonia is heavier than air and will settle in the low areas of the surrounding landscape, such as road ditches, sloughs, and valleys.
www.ag.ndsu.edu /pubs/ageng/safety/ae1149-1.htm   (3041 words)

  
 Anhydrous Ammonia: Managing The Risks
As liquid anhydrous ammonia is transferred into the nurse tank the vapor in the nurse tank must be moved to the bulk storage tank to allow for the incoming liquid.
It is used to control the direction of flow of anhydrous ammonia when unloading a truck or rail tank car, preventing a flow of anhydrous ammonia from the bulk tank to the truck or rail tank car being unloaded.
Anhydrous ammonia is a fertilizer commonly used in North Dakota agriculture.
www.ag.ndsu.edu /pubs/ageng/safety/ae1149-2.htm   (4262 words)

  
 Anhydrous Ammonia
Anhydrous ammonia is not dangerous when handled properly, but if not handled carefully it can be extremely dangerous.
Anhydrous ammonia is a hydroscopic compound, which means that it seeks water from the nearest source, any source, including the human body.
Most deaths from anhydrous ammonia are caused by severe damage to the throat and lungs from a direct blast to the face.
www.indresgroup.com /anhydrous.htm   (373 words)

  
 G1920 Using Agricultural Anhydrous Ammonia Safely, MU Extension
Anhydrous ammonia is one of the most efficient and widely used sources of nitrogen for plant growth.
Under atmospheric temperature and pressure, anhydrous ammonia is a colorless gas with a sharp, penetrating odor.
As the outside temperatures increase, the temperature of the anhydrous ammonia increases, causing the vapor pressure in the tank to increase.
muextension.missouri.edu /xplor/agguides/agengin/g01920.htm   (3432 words)

  
 Safety operation of anhydrous ammonia equipment
Ammonia is a colourless gas with suffocating and penetrating odour.
According to regulations, the ammonia should not be used at temperature over 50°C, equivalent to a pressure of 2.07 x 106 Pa. Other factors are taken into account, and the design pressure for a truck tank is 2.2 x 106 Pa and 3 x 106 Pa for a bottle.
Since ammonia dissolves rapidly and thoroughly in water, in order to prevent air from going into ammonia containers, a little ammonia should be left in the bottle: that is to say, the pressure meter should remain at 0.05 MPa (0.5 atmospheres pressure).
www.fao.org /DOCREP/005/Y1936E/y1936e0f.htm   (1693 words)

  
 RegO® Field Topics - Anhydrous Ammonia ( NH3)
Anhydrous Ammonia (NH Anhydrous Ammonia is a compound formed through the combination of the two elements: nitrogen and hydrogen.
The relationship between these elements is shown in the chemical symbol for anhydrous ammonia: NH – with one part nitrogen and three parts hydrogen.
Liquid anhydrous ammonia is lighter than water, the liquid has a specific gravity of.682 at -28°F. Gaseous anhydrous ammonia is lighter than air with a specific gravity of.597 at 32°F. At atmospheric pressure, NH boils at -28°F. As the temperature rises, the vapor pressure increases rapidly.
www.regoproducts.com /Old/ftopics300.htm   (504 words)

  
 Anhydrous Ammonia Safety - NSC   (Site not responding. Last check: 2007-10-20)
Anhydrous ammonia is an important source of nitrogen fertilizer for crops.
The improper handling of anhydrous ammonia can have catastrophic results on both plants and farm workers.
Use care when cleaning plugged knives as anhydrous ammonia could be built-up behind the plug.
www.nsc.org /library/facts/agrianam.htm   (219 words)

  
 ATSDR - MMG: Ammonia
Anhydrous ammonia is lighter than air and will therefore rise (will not settle in low-lying areas); however, vapors from liquefied gas are initially heavier than air and may spread along the ground.
Ammonia is a caustic and corrosive chemical that causes irritation and chemical burns upon contact of the gas or liquid with the eyes, skin, respiratory tract, or alimentary canal.
Ammonia poisoning is not known to pose additional risk during the use of bronchial or cardiac sensitizing agents.
www.atsdr.cdc.gov /MHMI/mmg126.html   (4706 words)

  
 Ammonia (NH3) (nh3) - Properties, Purity and Packaging - Ammonia is shipped as a liquified gas under its own vapor ...
Ammonia is easily liquefied by compression or by cooling to about -33° C (-27.4° F).
Ammonia also finds application in both the ammonia-soda, or Solvay, process, a widely used method for producing soda ash, and the Ostwald process, a method for converting ammonia into nitric acid.
Ammonia is used in various metallurgical processes, including the nitriding of alloy sheets to harden their surfaces.
www.c-f-c.com /specgas_products/ammonia.htm   (441 words)

  
 Emergency Response to Anhydrous Ammonia Releases (Spills)
Anhydrous ammonia is used as a fertilizer by Minnesota producers of field corn and wheat.
Ammonia is also found naturally in the environment, the result of vegetation and animal waste decay.
Ammonia is commercially produced by the reaction of nitrogen from the air and hydrogen gas under high temperature and pressure.
www.mda.state.mn.us /spills/ammonia   (488 words)

  
 Anhydrous Ammonia Health Information   (Site not responding. Last check: 2007-10-20)
Anhydrous ammonia is a colorless, highly irritating gas with a sharp, suffocating odor.
Anhydrous ammonia is not known to cause cancer.
It is possible that the snow may be contaminated with small amounts of anhydrous ammonia and could cause skin irritation.
www.health.state.nd.us /EPR/resources/anhydrous.htm   (942 words)

  
 Anhydrous Ammonia Theft
Criminals cause anhydrous ammonia incidents when nurse tank valves are left open; ammonia is transferred into makeshift containers; or hoses and/or fittings were loosely attached to valves of nurse tanks causing leaks and spills.
“Anhydrous ammonia is a particular problem in addressing clandestine drug labs due to its widespread use in the manufacture of illegal methamphetamine.
Ammonia is generally stolen from agricultural sources and frequently transferred into twenty-pound propane cylinders.
www.mda.state.mn.us /spills/ammonia/theft.htm   (538 words)

  
 Using Anhydrous Ammonia Safely on the Farm
During warm weather the temperature of the liquid anhydrous ammonia increases, causing it to expand and increasing the vapor pressure in the tank.
Anhydrous ammonia expands into a gas as it is injected into the soil where it rapidly combines with soil moisture.
Anhydrous ammonia wagons are designed to follow smoothly in the path of the towing vehicle.
www.extension.umn.edu /distribution/cropsystems/DC2326.html   (3746 words)

  
 Equipment considerations: anhydrous ammonia
This article focuses on anhydrous ammonia and is the second in a series of three articles about nitrogen fertilizer application and equipment.
Anhydrous ammonia contained in a field application tank is a high-pressure liquid that converts to a liquid-gas mixture as pressure drops while traveling to the knife outlet.
Telltale ammonia odor or the white vapor trail of water condensing in air that is cooled by escaping ammonia gas indicates deeper placement or more aggressive sealing with covering discs or "beaver-tail" tabs is required.
www.ipm.iastate.edu /ipm/icm/2001/4-9-2001/aa.html   (537 words)

  
 Preventing the Uncontrolled Release of Anhydrous Ammonia at Loading Stations
Recent fatalities during releases at anhydrous ammonia loading stations illustrate the potential hazards associated with transfer operations if the transfer system is not adequately protected from hose severance or an inadvertent pull-away during transfer.
Anhydrous ammonia storage facilities and nurse tank loading stations are considered anhydrous ammonia systems and are covered by a variety of Federal, State, and consensus standards.
Though refrigeration plants where ammonia is used solely as a refrigerant are not covered under 29 CFR 1910.111, this checklist is a useful summary of the types of emergency equipment and placarding that should be present for anhydrous ammonia systems.
www.osha.gov /dts/shib/shib120505.html   (2787 words)

  
 ASME Ammonia Tanks
Ammonia is used in many different application witch requires appropriate storage.
Anhydrous ammonia used on farms as a fertilizer.
Anhydrous and aqueous ammonia (water and ammonia solution) also used as a neutralizing agent for harmful chemicals before they discharged into the environment.
ammoniatanks.com   (248 words)

  
 Calibrating Anhydrous Ammonia Applicators, EC94-737-D
Anhydrous ammonia is transported to the field in a nurse tank ranging in capacity from 500 to 1,000 gallons.
Anhydrous ammonia application is controlled using one of three metering devices — variable size orifice (Figure 5a), electronic control monitor (Figure 5b), or a metering pump.
Anhydrous ammonia output is controlled by adjusting the stroke length or pulse frequency.
ianrpubs.unl.edu /farmpower/ec737.htm   (6858 words)

  
 Using Anhydrous Ammonia Safely, EC 94-738
Anhydrous ammonia is one of the most efficient and widely used sources of nitrogen for row-crop production.
Anhydrous ammonia has a built-in safety factor because you "can't stand to breathe it." No one can voluntarily remain in a concentration of NH gas strong enough to damage the nose, throat, lungs, eyes or skin.
Anhydrous ammonia vapors are easily detected because of their pungent odor, even in low concentrations.
ianrpubs.unl.edu /safety/ec738.htm   (4569 words)

  
 Anhydrous Ammonia
Anhydrous ammonia (NH3), readily recognized by its distinctive odor, is a compressed gas with extremely toxic vapors which irritate the eyes and skin.
It is therefore critical that employees who deal with anhydrous ammonia and response personnel who might respond to an emergency situation involving NH3 be trained in safe handling and response techniques.
The film explores proper protective clothing, both for handling anhydrous ammonia and for emergency response to a vapor release, and discusses priorities and procedures to follow when an incident includes a fire in the area of ammonia.
www.moxietraining.com /programs/osha/os_anhydrous_ammonia.htm   (352 words)

  
 ANHYDROUS AMMONIA HOSE   (Site not responding. Last check: 2007-10-20)
When anhydrous ammonia hose is subjected to ordinary use it should be tested every 90 days for the first year and once a month thereafter.
Dayco strongly recommends use of anhydrous ammonia hose assemblies produced by a certified Dayco coupler using Dayco hose, permanent couplings and assembly testing equipment and procedures.
Anhydrous ammonia is extremely volatile and poisonous in both liquid and gaseous states.
www.tamparubber.com /ammonia.htm   (863 words)

  
 Storage and Handling of Anhydrous Ammonia Part F-2
Anhydrous ammonia may be in either gaseous or liquid form.
The ammonia should be injected into the water as near the bottom of the vessel as practical.
(b) Where concentrations of ammonia in air in excess of sixteen percent by volume are likely to be encountered, electrical equipment and wiring shall be of a type specified by and be installed according to chapter 296-24 WAC Part L, for Class I, Group D locations.
www.lni.wa.gov /wisha/rules/generalsafety/HTML/24_f2-1.htm   (8849 words)

  
 MDA - Anhydrous Ammonia   (Site not responding. Last check: 2007-10-20)
Producers throughout Michigan use anhydrous ammonia as a source of nitrogen fertilizer for crops.
Anhydrous ammonia has several advantages, it is readily available and is a low cost form of nitrogen.
The wrongful use of anhydrous ammonia is of great concern to the agriculture industry since it is widely used as a low-cost form of agricultural fertilizer.
www.michigan.gov /mda/0,1607,7-125-1569_16993-49349--,00.html   (495 words)

  
 Anhydrous - Wikipedia, the free encyclopedia
Examples of reactions requiring the use of anhydrous solvents are the Grignard reaction and the Wurtz reaction.
The solvents are more commonly rendered anhydrous boiling them in presence of a hygroscopic substance; metallic sodium is one of the most common ones.
gaseous ammonia is generally referred to as anhydrous ammonia to distinguish it from household ammonia, which is an ammonium hydroxide aqueous solution.
en.wikipedia.org /wiki/Anhydrous   (324 words)

  
 Anhydrous Ammonia Safety and First Aid
It is extremely important to follow proper handling and safety procedures when working with anhydrous ammonia.
The best way to reduce risk of injury from anhydrous ammonia are to wear protective equipment and to know what to do in case of emergency.
Federal law requires at least 5 gallons of water be carried on vehicles transporting anhydrous ammonia.
www.indresgroup.com /anh_safety.htm   (490 words)

  
 Anhydrous Ammonia Material Safety Data Sheet - Tanner Industries   (Site not responding. Last check: 2007-10-20)
Ammonia is an irritant and corrosive to the skin, eyes, respiratory tract and mucous membranes.
Anhydrous ammonia forms explosive mixtures in air with hydrocarbons, chlorine, ethanol, fluorine and silver nitrate.
Avoid anhydrous ammonia contact with chlorine, which forms a chloramine gas, which is a primary skin irritant and sensitizer.
www.tannerind.com /anhydrous-msds.html   (1468 words)

  
 MSDS Anhydrous Ammonia
Ammonia contact with chemicals such as mercury, chlorine, iodine, bromine, silver oxide, or hypochlorites can form explosive compounds.
If Exposure concerns are present, stay upwind and use water spray downwind of leak source to absorb ammonia gas and dilute.
OSHA 29 CFR 1910.111 prescribes handling and storage requirements for anhydrous ammonia as a hazardous material.
www.wdserviceco.com /MSDSANHY.html   (859 words)

  
 Anhydrous ammonia hazardous gas training for workers and emergency responders
Anhydrous ammonia hazardous gas training for workers and emergency responders
He is the AIChE representative to the ANSI Committee on Anhydrous Ammonia and author of numerous article...
Mike was formerly Director of Safety and Fire Protection for the American Petroleum Institute and was a member of the NFPA Standards Council.
www.efilmgroup.com /HazMat-Hazwoper/Anhydrous-Ammonia-Video.html   (347 words)

  
 Farmers Keep Anhydrous Secure So It Won't Be Used To Make 'Meth'
But both may involve the use of anhydrous ammonia fertilizer, says John Shutske, agricultural safety and health specialist with the University of Minnesota Extension Service.
"Using anhydrous ammonia to make methamphetamine, or 'meth,' is a serious problem in rural areas," says Shutske.
A common strategy thieves use is to find unsecured nurse tanks and storage facilities where they can bleed off a few gallons of anhydrous into an empty gas grill container or other storage device.
www.crystalsugar.com /agronomy/resources/agsafety/meth.asp   (304 words)

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