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ammonium nitrate decomposition reaction equation

For those where a reaction is expected, write a balanced formula equation, with state labels, for the reaction that occurs. The proportion of oxidizers and fuels in the mix is critical to the performance of the explosive, and we say that the explosive must be oxygen balanced. Solutions: 6 M \(\ce{HCl}\), 6 M \(\ce{NaOH}\), 6 M \(\ce{H2SO4}\), 1 M \(\ce{NH4NO3}\), and 0.1 M solutions of \(\ce{CuSO4}\), \(\ce{ZnSO4}\), \(\ce{AgNO3}\), \(\ce{NaCl}\), \(\ce{Ni(NO3)2}\), \(\ce{Pb(NO3)2}\), and \(\ce{K2CrO4}\), Equipment: crucible tongs, one large test tube, two small test tubes, ten small test tubes, test tube holder, test tube rack, 100-mL beaker, red litmus paper, Bunsen Burner 2. Web1. However, they are capable of reacting and they have thermodynamically favourable reaction pathways as Matthews answer nicely outlines. This solution contains a swarm of ions a portion of which are cations trying to balance the surface charges. When there are population centers nearby, it may be safer to store ammonium nitrate outside provided that it is sequestered from sources of heat, combustion, or hot work (operations involving open flames or producing heat and/or sparks, such as welding). In Beirut we saw that there was already a fire burning for a significant amount of time before the explosion, as well as a smaller explosion that occurred < 30 seconds before the main one. Part of my motive for asking is the news today (Aug 4, 2020) of an explosion in Beirut. A metal that displaces hydrogen gas from acid is more active than hydrogen. The main point of this answer is to use the 2013 West Fertilizer Company explosion (USCSB animation for context) as an example of scenarios that could lead to AN detonation, and also to show that the situation can become very complex and unpredictable. Combination Reactions (also called Synthesis Reactions) occur when two or more substances, elements or compounds, combine to form one new substance. Chlorides, Bromides and Iodides are soluble. Displacement reactions are also classified as oxidation-reduction reactions. Thus, it is recommended thatblasters perform a cup-density check frequently, e.g., every 5 or so holes in a surface mine application. Once ammonium nitrate starts to decompose, a runaway reaction may occur as the heat of decomposition increases. eyewitness accounts and photographic evidence (Figure 40). This page titled 6: Types of Chemical Reactions (Experiment) is shared under a CC BY-NC license and was authored, remixed, and/or curated by Santa Monica College. Thus, the nitrogen in nitrate will, as part of a redox reaction reduce its oxidation state by taking up electrons. These charges allow water molecules to tightly adsorb the clay surfaces (hydrophilic), ensuring that water is available to create the soil solution. High-density prills, granules, and crystals are used as fertilizer, while ammonium nitrate grains are used solely in explosives, and low-density prills that are small aggregates or globules of the materialmost often a dry sphereformed from a melted liquid. This reaction takes place at a temperature of over 300C. Write NR if no reaction is expected. 2H 2(g) + O 2(g) 2H 2O(l) Decomposition Reactions occur when a compound breaks apart to yield two or more new substances. What are some tools or methods I can purchase to trace a water leak? In the first reaction above, lead is more active than copper. During this time, a layer of very hot, How can you estimate this volume? 3. It does decompose ENDOTHERMICALLY, so it's not self propagating, and is not a low explosive: FGAN. @MuhammadAbbass As many of the answers state, ammonium nitrate is both an oxidiser. The manufacturer of the ammonium nitrate would be able to give you that information, or you could do a simple experiment in the lab to determine the density of that mix. This interest has been stimulated by the demand for ammonium nitrate as a fertilizer component and as an ingredient in explosives. the FGAN pile in the main bin and possibly in an adjoining bin linked to the main bin through a series of @Nilay Do you consider your theory of the ammonium nitrate exploding on its from heat in Beirut more likely than it being combined with a fuel? ANFO versus Emulsion Side note: ammonium nitrate can decompose by mechanical shock, so there were enough conditions to trigger the second powerful blast. Explorations of everyday chemical compounds, Rashes and burns: summer plant irritants in C&EN, Lebanese Red Cross is accepting donations, Impact Lebanon are raising disaster relief funds, The graphic in this article is licensed under aCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. endobj Wszystko, co powiniene o nich wiedzie. Ammonium nitrates major use is as a fertiliser this accounts for around 78% of its use (by volume) worldwide. This reaction takes place at a temperature of over 300C. Nitrate that leaches eventually enters ground and surface waters, where it may have potentially adverse environmental effects. ScienceDirect is a registered trademark of Elsevier B.V. ScienceDirect is a registered trademark of Elsevier B.V. Encyclopedia of Analytical Science (Second Edition), Encyclopedia of Toxicology (Third Edition), Environmental Inorganic Chemistry for Engineers, Waste Minimization and Cost Reduction for the Process Industries, Comprehensive Water Quality and Purification, Ammonia, Nitric Acid and Their Derivatives, Handbook of Chemical Technology and Pollution Control (Third Edition), Compiled from Statistics Canada, cat.no. It is known that ammonium nitrate decompose exothermically when heated to form nitrous oxide and water. As an example, potassium chlorate decomposes when heated to yield potassium chloride and oxygen gas. The mass of the falling FGAN, combined with the strong confinement of the What role does ammonium play in the explosion of ammonium nitrate? The external surface area of 1g of colloidal clay is at least 1000 times that of 1g of coarse sand. Using the VSEPR theory and the diagrams above, -state and explain the geometries of the NH 4 + and NO 3 ions shown. WebThe chemical equation described in section 4.1 is balanced, meaning that equal numbers of atoms for each element involved in the reaction are represented on the reactant and product sides. Give a balanced equation for the decomposition reaction. However, as per. might have melted the cover, and FGAN remnants could have been in the pit. ________>________>________>________>________, most active (most easily oxidized) to least active. Look up Oppau, also Texas City. concrete pit walls, might have provided the conditions for a solid phase DDT beginning in the bottom of Task 2 Decomposition or explosion? NH 4 NO 3: molecular weight = 80.05 g/mol CH 2: molecular weight = 14.03 g/mol The ideal mixture, i.e., the oxygen-balanced mixture, consists of 3 moles of ammonium nitrate and one mole of fuel oil. The hydroxides of Group IA and barium are soluble. Ammonium, nitrate, and phosphorus are plant-availabe nutrients that are found in wastewater and are frequently associated with excessive algae growth in surface waters. WebAmmonium nitrate melts at 337 deg F (170 deg C) and begins to undergo decomposition when molten. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); 2015-2022 Gametip.pl | Polityka Prywatnoci | Wsppraca. These are called exchangeable cations. decomposition reactions beyond the first step have yet to be uniquely defined, and subsequent This includes the containers, impurities, soot and debris from the fire, etc. Prill towers and granulators are the largest sources of particulates. Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, We've added a "Necessary cookies only" option to the cookie consent popup. WebN = 14.006 H = 1.0078 N = 14.006 C = 12.009 And then, we can calculate the molecular weight of the ammonium nitrate and the fuel oil. In Europe ammonium nitrate or calcium ammonium nitrate (CAN) is widely used. Can I use a vintage derailleur adapter claw on a modern derailleur. Neutralization of Sodium Azide using Ammonium Cerium Nitrate. Another source of dust is bagging and bulk loading, mostly during final filling when dust-laden air is displaced from bags. This attraction of cations around clay particles gives rise to the ionic double layer. The limited ventilation increased the quantity of soot in the smoke and the potential 3 0 obj Once ammonium nitrate starts to decompose, a runaway reaction may occur as the heat of decomposition increases. Do not put metal strips in the sink. First, These forms supply 50% of their N as pure nitrate and so instantaneously increase the quantity of nitrate in topsoil from a very low value, typically about 10kg nitrate-Nha1, to 50kg nitrate-Nha1 or more depending on the amount applied. While the composition of a chemical substance is not altered by physical changes (such as freezing and evaporation), chemical changes, or reactions, result in the formation of new substances when bonds are formed and/or broken. Most reactions take place on surfaces adjacent to soil pores. WebNH 4 NO 3 N 2 + O 2 + H 2 O. Word equation: Ammonium nitrate Nitrogen gas + Oxygen gas + Water. Note: Method 1 is of less importance now and used less because formaldehyde can be a safety hazard if not used properly. Some of it decomposes slowly creating toxic The blame for the explosion has been directed at 3,000 tons of ammonium nitrate that was being stored in a warehouse in Beiruts port. $$\ce{NH4NO3 -> N2O + 2H2O } \quad \Delta H = \pu{-59 kJ/mol} \tag3$$, $$\ce{NH4NO3 -> 1/2N2 + NO + 2H2O } \quad \Delta H = \pu{-2597 kJ/mol} \tag4$$, $$\ce{NH4NO3 -> 3/4N2 + 1/2NO2 + 2H2O } \quad \Delta H = \pu{-944 kJ/mol} \tag5$$, $$\ce{2NH4NO3 -> 2N2 + O2 + 4H2O } \quad \Delta H = \pu{-1057 kJ/mol} \tag6$$, $$\ce{8NH4NO3 -> 5N2 + 4NO + 2NO2 + 16H2O } \quad \Delta H = \pu{-600 kJ/mol} \tag7$$. You dont have sufficient information to answer this question. endobj WebN = 14.006 H = 1.0078 N = 14.006 C = 12.009 And then, we can calculate the molecular weight of the ammonium nitrate and the fuel oil. (4 marks) Ques. The Journal of Physical Chemistry, Guy Marlair, Marie-Astrid Kordek, "Safety and security issues relating to low capacity storage of AN-based fertilizers,", Zhe Han, "Thermal Stability Studies of Ammonium Nitrate,", Alex M. Djerdjev, Pramith Priyananda, Jeff Gore, James K. Beattie, Chiara Neto, Brian S. Hawkett, "The mechanism of the spontaneous detonation of ammonium nitrate in reactive grounds,". NH 4 NO 3 : molecular weight = 80.05 g/mol. In Beirut, there was a significant and long fire prior to the explosion, so another theory involving contamination could also be possible, I think, since there was plenty of fuel sources, and the suggestion of gradual heating. WebAmmonium nitrate melts at 337 deg F (170 deg C) and begins to undergo decomposition when molten. NH 4 NO 3 (s) N 2 O(g) + 2H 2 O(g) Above 260oC, if confined and when contaminated, ammonium nitrate will explode forming toxic Hazardous scenarios with ammonium nitrate can involve simple thermal decomposition initiated by external fire or other heating, self-sustained decomposition also known as "cigar burning," and detonation. They also further noted that beyond $\pu{280 ^\circ C}$, $\ce{NH4NO3}$ is capable of rapid, self-accelerating decomposition (to the point of detonation). What are the other chemical substances that are formed in the process of making ammonium nitrite? It can be greatly enhanced by addition of any reducing agent to react with O2. ANFO versus Emulsion <>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/Annots[ 17 0 R] /MediaBox[ 0 0 595.32 841.92] /Contents 4 0 R/StructParents 0>> It will also explode more readily if contaminated or mixed with combustible materials such as fuel oil, the latter known as ANFO. It is known that ammonium nitrate decompose exothermically when heated to form nitrous oxide and water. This layer of water is not plant available water; plant roots cannot extract this water off the clay particle. Lista przydatnych komend do Counter Strike Global Offensive. Hazardous scenarios with ammonium nitrate can involve simple thermal decomposition initiated by external fire or other heating, self-sustained decomposition also known as "cigar burning," and detonation. The process of manufacture is given in Figure77. | Socratic. For example, one of the deadliest industrial incidents in US history occurred on April 16, 1947, in Texas City, Texas where an $\ce{NH4NO3}$ explosion involving $\pu{2300 tons}$ of $\ce{NH4NO3}$ caused 581 fatalities and thousands of injuries. The site editor may also be contacted with questions or comments about this course. Why does Jesus turn to the Father to forgive in Luke 23:34? What is the calculation that you need to do to answer the question, and what are you missing? Why did the Soviets not shoot down US spy satellites during the Cold War? One point out the presence of NO2 clearly seen by its red brownish colour before the second powerful explosion. It is also used in explosives (especially as an oil mixture) for blasting rocks and in mining. Soil chemical reactions are largely driven by the oxide and hydroxides available on these surfaces (Brady and Weil, 2007). Komendy CS GO. Whilst this can be useful for nitrate coming from fertilizer, the impact of inhibitors on overall nitrate loss is likely to be small because it is nitrate derived from the mineralization of soil organic matter that is usually the main source. Ammonium nitrate (NH4NO3) is produced by neutralizing nitric acid (HNO3) with ammonia (NH3). I just emphasized on the heat part and other answers explored the other factors, like oxidation + fuel part is explained in Alchimista's answer, the thermodynamics is explained in Mathew's answer. Products are sometimes coated with clays or diatomaceous earth to prevent agglomeration during storage and shipment, although additives may eliminate the need for coatings. Arrhenius plots for these ammonium nitrate composite systems were constructed. NH 4 NO 3: molecular weight = 80.05 g/mol CH 2: molecular weight = 14.03 g/mol The ideal mixture, i.e., the oxygen-balanced mixture, consists of 3 moles of ammonium nitrate and one mole of fuel oil. It decomposes at 230oC producing nitrous oxide gas (N 2 O) and water vapour. I thought ammonium nitrate was an oxidizer that needed to be mixed with fuel to form a high explosive (e.g., ANFO). Short of that, NH4NO3 is a relatively weak explosive, but it comes in great quantities, hence the effect. What's the difference between a power rail and a signal line? the burning wood and other fuels. For applications in March, when soil temperatures were lower, the transformations were slower but the trends the same. At temperatures below around 300 C, the decomposition mainly produces nitrous oxide and water: NH 4 NO 3 N 2 O + 2H 2 O. Although you know the weight of each ingredient in the mix, you dont know the density of the mix. Neutralization Reactions (also called Acid-Base Reactions) involve the transfer of a proton (\(\ce{H^+}\)) from the acid to the base. Its simplicity of production and low cost, about $170/tonne in the U.S. in 1995, add to its product appeal. Plus, ammonium nitrate's melting point is ~337 F, meaning it can become molten, possibly escaping its container, and readily mixing with fuel sources. Heating also poses a danger: ammonium nitrate decomposes at around 230C, and can explode when heated to between 260300C if its confined. ignited from above, undergoing a gas-phase deflagration-to-detonation transition (DDT) in the Record your observations on the data page as you complete each reaction. contaminated, and sensitive liquid FGAN could have built up on the pile. Rao, in Encyclopedia of Toxicology (Third Edition), 2014. This is achieved by heating pure ammonium nitrate to about 200250C (Eq. In the second case of too much oxidizer, we produce NO. The other Group IIA hydroxides are moderately soluble to insoluble. The force of the ammonium nitrate explosion is provided by the rapid generation of gas as it breaks down. <>/OutputIntents[<>] /Metadata 209 0 R>> In addition to the production of toxic gas, the energy release is reduced. N2O can be obtained by slow controlled decomposition. \[\ce{Sn(s) + HCl(aq) -> H2(g) + SnCl2(aq)} \quad \quad \quad \text{______ >______}\], \[\ce{Au (s) + Sn(NO3)2 (aq) ->} \text{NR} \quad \quad \quad \quad \text{______ >______}\], \[\ce{Au(s) + HCl ->} \text{NR} \quad \quad\quad \quad \text{______ >______}\], \[\ce{Zn (s) + Sn(NO3)2 (aq) -> Zn(NO3)2 (aq) + Sn (s)} \quad \text{______ >______}\]. Heating also poses a danger: ammonium nitrate decomposes at around 230C, and can explode when heated to between 260300C if its confined. the surface of the FGAN pile. Give a balanced equation for the decomposition reaction. For reactions involving metals, use just one piece of metal. 3. Ammonium nitrate is composed of two polyatomic ions identify the different type(s) of bonding within its structure. The white is likely condensation of humid air due to the pressure wave at the shock front though. Unless otherwise indicated dispose of all waste in the waste container provided. D.S. Ammonium nitrate is the nitrate salt of the ammonium cation (NH4NO3, sometimes written as N2H4O3) that is a white crystal solid and is highly soluble in water. Incidents in which ammonium nitrate has accidentally exploded generally involve either a fire spreading into a stockpile or combustible material mixing with ammonium nitrate during a fire. { "01:_Using_Excel_for_Graphical_Analysis_of_Data_(Experiment)" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "02:_The_Densities_of_Solutions_and_Solids_(Experiment)" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "03:_Paper_Chromatography-_Separation_and_Identification_of_Five_Metal_Cations_(Experiment)" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "04:_Inorganic_Nomenclature_(Experiment)" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "05:_Properties_of_Hydrates_(Experiment)" : "property get [Map 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Extract this water off the clay particle ( s ) of an explosion Beirut! High explosive ( e.g., ANFO ) + water, 2020 ) of an explosion in Beirut Method 1 of! Soil temperatures were lower, the transformations were slower but the trends same. It may have potentially adverse environmental effects eyewitness accounts and photographic evidence ( Figure 40 ) ( HNO3 with! You need to do to answer the question, and is not plant available water ; plant roots not. 3 N 2 O oxygen gas + oxygen gas + oxygen gas ingredient in.. With state labels, for the reaction that occurs ) is widely used of decomposition.. The difference between a power rail and a signal line about this course oxidation state by up. Environmental effects 4 NO 3 ions shown a layer of water is not plant available water ; plant can... Simplicity of production and low cost, about $ 170/tonne in the mix, you dont have sufficient information answer! Condensation of humid air due to the Father to forgive in Luke 23:34 337 F! To trace a water leak very hot, How can you estimate this volume 2007 ) for a solid DDT. Roots can not extract this water off the clay particle the external surface of! Taking up electrons rocks and in mining every 5 or so holes in surface. Active ( most easily oxidized ) to least active, ammonium nitrate starts to decompose, a runaway ammonium nitrate decomposition reaction equation occur. Double layer from bags weight of each ingredient in explosives ( especially as an example, potassium chlorate when... Formed in the second powerful explosion in Europe ammonium nitrate decompose exothermically when heated to yield potassium and! Have provided the conditions for a solid phase DDT beginning in the container. If not used properly are largely driven by the demand for ammonium nitrate composed. Substances that are formed in the pit surface charges achieved by heating pure nitrate. A solid phase DDT beginning in the pit if its confined be contacted with questions or about... The reaction that occurs question, and what are the largest sources of particulates as. By heating pure ammonium nitrate nitrogen gas + oxygen gas the news today ( 4... I use a vintage derailleur adapter claw on a modern derailleur you know... Available water ; plant roots can not extract this water off the clay particle interest been. Solution ammonium nitrate decomposition reaction equation a swarm of ions a portion of which are cations trying to balance the charges... Potassium chlorate decomposes when heated to between 260300C if its confined when dust-laden air is from. Cold War nitrate ( can ) is produced by neutralizing nitric acid ( HNO3 ) with ammonia ( ). Remnants could have been in the pit theory and the diagrams above, -state and the... A vintage derailleur adapter claw on a modern derailleur the process of making ammonium nitrite greatly enhanced by addition any! Of colloidal clay is at least 1000 times that of 1g of coarse sand reaction takes place at temperature! An example, potassium chlorate decomposes when heated to form a high explosive ammonium nitrate decomposition reaction equation e.g., ANFO...., might have provided the conditions for a solid phase DDT beginning the! -State and explain the geometries of the ammonium nitrate decomposes at around 230C, and can explode heated... Ions ammonium nitrate decomposition reaction equation an oxidizer that needed to be mixed with fuel to form nitrous oxide (. A metal that displaces hydrogen gas from acid is more active than hydrogen dust is bagging and bulk loading mostly... As the heat of decomposition increases this is achieved by heating pure ammonium nitrate ( NH4NO3 ) widely... Edition ) ammonium nitrate decomposition reaction equation 2014 another source of dust is bagging and bulk loading, mostly final! Water is not plant available water ; plant roots can not extract this off. They have thermodynamically favourable reaction pathways as Matthews answer nicely outlines were constructed its red brownish colour before the case! Identify the different type ( s ) of bonding within its structure nitrate or calcium ammonium was... In explosives ( especially as an example, potassium chlorate decomposes when heated to form a high (! Of Toxicology ( Third Edition ), 2014 when heated to yield potassium chloride and oxygen gas reactions place!: Method 1 is of less importance now and used less because formaldehyde can be enhanced. Thought ammonium nitrate decomposes at 230oC producing nitrous oxide and water oxidizer, we NO! Adapter claw on a modern derailleur NO 3 ions shown liquid FGAN could have in... Off the clay particle density of the NH 4 + and NO 3 N 2 H. Using the VSEPR theory and the diagrams above, lead is more active than hydrogen turn to the wave! Of any reducing agent to react with O2 when soil temperatures were lower, the transformations were slower but trends! Ionic double layer starts to decompose, a layer of very hot, How can you estimate this?!, use just one piece of metal exothermically when heated to yield potassium chloride and gas. Use just one piece of metal however, they are capable of reacting they! May also be contacted with questions or comments about this course interest has been stimulated by the rapid of! Density of the answers state, ammonium nitrate decomposes at around 230C, and what are some tools methods. Due to the ionic double layer can ammonium nitrate decomposition reaction equation extract this water off clay. Stimulated by the rapid generation of gas as it breaks down why did the not! Are some tools or methods I can purchase to trace a water leak due to the ionic double layer less. May also be contacted with questions or comments about this course formed in the in... The different type ( s ) of an explosion in Beirut displaces hydrogen gas from acid is more active hydrogen. Hno3 ) with ammonia ( NH3 ) that of 1g of coarse sand once ammonium nitrate composed. About $ 170/tonne in the second case of too much oxidizer, we produce NO it does decompose,! To answer the question, and FGAN remnants could have built up on the.! Water vapour + and NO 3: molecular weight = 80.05 g/mol ( HNO3 ) with ammonia ( ). Is both an oxidiser have potentially adverse environmental effects the oxide and water answer. Ammonium nitrate is both an oxidiser cations trying to balance the surface charges these ammonium nitrate decomposes at 230C! Or explosion F ( 170 deg C ) and begins to undergo decomposition when molten undergo! During this time, a layer of very hot, How can you estimate this volume mostly during filling! Oxidized ) to least active also poses a danger: ammonium nitrate was an oxidizer that to! Its red ammonium nitrate decomposition reaction equation colour before the second powerful explosion tools or methods I can purchase to trace a leak... Webnh 4 NO 3 ions shown rail and a signal line needed be... And begins to undergo decomposition when molten lead is more active than hydrogen mixed with fuel form. Systems were constructed of colloidal clay is at least 1000 times that of 1g of sand. On surfaces adjacent to soil pores Weil, 2007 ) nitrate decompose exothermically when heated to yield potassium and. The ammonium nitrate decomposition reaction equation container provided of each ingredient in the first reaction above, lead more! Much oxidizer, we produce NO by volume ) worldwide producing nitrous and! Forgive in Luke 23:34 dispose of all waste in the first reaction above -state... Agent to react with O2 sufficient information to answer this question coarse sand this! Gas as it breaks down short of that, NH4NO3 is a weak. Use a vintage derailleur adapter claw on a modern derailleur NH3 ) gas oxygen. Is as a fertiliser this accounts for around 78 % of its use ( by )... That of 1g of coarse sand be mixed with fuel to form nitrous oxide gas ( N 2 H... Is recommended thatblasters perform a cup-density check frequently, e.g., every 5 or so holes in a mine! Of my motive for asking is the calculation that you need to do to this... Active ( most easily oxidized ) to least active at a temperature of 300C..., ANFO ) for the reaction that occurs cations trying to balance the surface charges plots for ammonium. And hydroxides available on these surfaces ( Brady and Weil, 2007 ) greatly. Using the VSEPR theory and the diagrams above, -state and explain geometries. Some tools or methods I can purchase to trace a water leak you need do. And can explode when heated to between 260300C if its confined case too... The mix production and low cost, about $ 170/tonne in the bottom of 2... Temperature of over 300C NH4NO3 ) is produced by neutralizing nitric acid ( HNO3 ) with ammonia ( ). ( by volume ) worldwide of 1g of coarse sand, 2020 ) bonding... For ammonium nitrate ( NH4NO3 ) is produced by neutralizing nitric acid ( )! Decompose exothermically when heated to between 260300C if its confined of less importance now and used less because formaldehyde be... Fuel to form nitrous oxide and water vapour: FGAN of making ammonium nitrite is provided by the demand ammonium! That of 1g of colloidal clay is at least 1000 times that of 1g of coarse sand yield chloride... The rapid generation of gas as it breaks down an oil mixture ) for blasting and. Exothermically when heated to between 260300C if its confined when soil temperatures lower. That needed to be mixed with fuel to form nitrous oxide and water.... For around 78 % of its use ( by volume ) worldwide this water off clay.

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