tanks. large spills. It is at least 99.95 percent pure ammonia. eyes, throat, and breathing passages. In the lungs, liquid anhydrous ammonia causes Ammonia in water solution is called aqua ammonia or ammonium hydroxide. Density kg/m [. At the same time, the pressure in the container will increase from 16 pounds per square inch (psi) to 110 psi. Vapor Spec. Sat. Its boiling point is −33.35 C (−28.03 F), and its freezing point is −77.7 C (−107.8 F). Establish and implement written procedures Only iron, steel, certain rubbers and plastics, and specific nonferrous alloys resistant to ammonia should be used for fabrications of anhydrous ammonia containers, Routinely inspect for corrosion of the receiving and storage vessel as part of a mechanical integrity program. The user need only enter new changed data for a new calculation. The following user settings, from the last session, are automatically restored: For the best performance use the latest version of your favorite browser: Copyright © 2009 - 2020 MegaWatSoft Inc., all rights reserved. Provide training specific to the handling of ammonia. Exposure to ammonia vapor may cause: Skin damage depends upon the length and concentration of exposure and can range from mild irritation, to a darkened freeze-dry burn, to tissue destruction. Ammonia will keep spreading across contacted skin until the chemical is diluted by skin moisture. U.S. Department of Labor  |  Occupational Safety & Health Administration  |  200 Constitution Ave., NW, Washington, DC 20210. NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data) Water 4 F BTU per lb. The rapid evaporation causes the temperature of the liquid to drop until it reaches the normal boiling point of -28�F, a similar effect occurs when water evaporates off the skin, thus cooling it. and to facilities. Volume Internal Energy Enthalpy Entropy deg-C kPa m^3/kg kJ/kg kJ/kg kJ/kg*K Temp. Provide a separate oil pot for vessels that operate below atmospheric pressure. If the tank is 90 percent full at Ineffective refrigeration due to excess oil within the system, causing the system to work harder than necessary, thus stressing the system components. Decontaminate the victim as quickly as possible. Ammonia is extremely soluble in water and is frequently used as a water solution called aqua ammonia. is in a partially filled, closed container it is heated from 0�F to 68�F, the volume of the liquid will increase by about Alkalis effect tissue differently than acids, which tend to burn and seal off a High concentrations in the air can also dissolve in the moisture of the skin or perspiration and result in a corrosive action on the skin and mucous membranes. Provide employees information pertaining to the hazards of http://www.hvac-calculator.net/ However, because of ammonias tremendous affinity for water, it reacts immediately with the humidity in the air and may remain close to the ground. skin so that if the clothing is removed incorrectly whole sections of skin can be torn Despite all safety measures, loss of containment can occur as happened in the incident in Potchefstroom, South Africa, in 1973 where a horizontal cylindrical tank released 38 metric tons of anhydrous ammonia. off. Any water source is acceptable; such as showers, hoses, or stock Liquid anhydrous ammonia weighs less than water. Install a non-condensable gas (oil and water) separator (purge units) into the system. Ammonia, especially in the presence of moisture, reacts with and corrodes copper, zinc, and many alloys. Alkalis, such as ammonia cause liquidization of tissue and turn tissue into a sticky "goo" and mix with this tissue, causing further damage. 1. Sat. Isochoric process During this transition volume is a constant parameter, so that initial properties p₁, T₁ changes to p₂, T₂ as follows: p₁ / T₁ = p₂ / T₂.. Anhydrous ammonia is classified by the Department of Transportation as nonflammable. Establish and implement an emergency action that could have resulted in a release of Ans: Ammonium nitrate, when added to water, breaks into Nitric acid and ammonia. to manage changes to equipment, procedures, We have italicized and bolded them for your convenience. Liquid ammonia will expand by 850 times when evaporating: Ammonia Gas Specific Heat at constant pressure ( cp) ( 1.013 bar and 15oC (59oF)) : 0.037 kJ/ (mol.K) Ammonia Gas Specific Heat at constant volume (c v) ( 1.013 bar and 15oC (59oF)) : 0.028 kJ/ (mol.K) Ammonia Gas Ratio of Specific Heats (Gamma: cp/cv) ( 1.013 bar and 15oC (59oF)) : 1.309623. The value of each subscription you purchase (1 or more) can be applied as a discount towards a purchase of the full license of our related NH3 Tables desktop software (NH3Tables Excel Add-In). aqua ammonia or ammonium hydroxide. This is why ammonia is used in refrigeration systems. The odor threshold for ammonia is between 5 - 50 parts per million (ppm) of air. [. involved. Physical properties of ammonia Ammonia is a colourless gas with a sharp, penetrating odour. Refrigerant grade anhydrous ammonia is a clear, colorless liquid or gas, free from visible impurities. Ammonia, especially in the presence of moisture, reacts with and corrodes copper, zinc, and many alloys. plan in case of release. Learn about the structure, properties, and uses of ammonium hydroxide here at BYJUS. Ensure ammonia being introduced to the system is refrigerant grade. First, flush the eyes with clean water. The Industrial Refrigeration Consortium is a collaborative effort between the University of Wisconsin Madison and industry. However, ammonia vapor in high concentrations they need to be using respiratory protection. For example, if liquid anhydrous ammonia fittings, and piping. On the other hand, anhydrous ammonia is essentially pure (over 99 percent) ammonia. Our goal is to improve the safety, efficiency, and productivity of industrial refrigeration systems and [ kg / m 3 ] isobar heat capacity c p. 2.056. Ammonia is not, strictly speaking, a poison and repeated exposure to it produces no additive (chronic) effects on the human body. Anhydrous ammonia is an alkali. 0�F, it will become 99 percent full at 68�F. Calculate online thermodynamic and transport properties of ammmonia based on industrial formulation (formulated in Helmholtz energy) for advanced technical applications. Follow operating procedures for charging the system to prevent impurities from being introduced. tissue. Ammonia Pressure-Temperature Chart Between -60F to -28F the PSIG pressure values represent inches of Mercury (vacuum). [, Conduct a pre-startup safety review prior to introducing ammonia when the equipment is new Sat. This may result in ammonia weeping from a crack within the refrigeration system. Liq. press. change in the process safety information. It is designated in chemical notation as NH3. Ensure the effectiveness of air evacuation prior to charging the system. Latent Heat F Pres. the eye can occur depending on whether a spray or gas is The second column is vapor pressure in k Pa . Preserving the purity of the ammonia is essential to ensure proper function of the refrigeration system. Pressure C 3kPa spec. Ammonia penetrates the eye more rapidly than other alkalis. percent ammonia by weight. [. Its chemical formula is NH3. Psig Lbs./cu.ft. Stress corrosion cracking proceeds more rapidly at high temperatures. The properties calculator retains information from the previous inputs for subsequent user input. It allows 11 different combinations of input variables to be used in calculations. Ammonia at normconditions, t norm = 0 o C, p norm = 1013,25 mbar: density. The fire hazard from ammonia is increased by the presence of oil or other combustible materials. Ammonia or R717 is amongst the oldest of all the refrigerants and still used widely in the refrigeration applications. … Anhydrous ammonia is a clear liquid that boils at a temperature of -28�F. The following thermodynamic properties will be calculated: density, dynamic viscosity, kinematic viscosity, specific enthalpy, specific entropy, specific isobar heat capacity cp, specific isochor heat capacity cp, thermic conductivity, coefficient of thermal expansion, heat conductance, thermal diffusivity, Prandtl-number, coefficient of compressibility Z, speed of sound. This may result in a catastrophic failure of bulk storage vessels. Then flush the whole body or the exposed area with generous amounts of water; includes the hair, ears, under chin, and armpits. Sat. The NH3 Calculator Web application calculates 30 thermodynamic and transport properties of ammonia. Ammonia Data Book A-1 May 2008 Appendix A Thermodynamic Property Tables General Because of ammonia’s widespread use as a refrigerant, comprehensive tables of thermodynamic properties are frequently needed by For transport properties the library uses equations presented in: The Registration includes free technical support for the duration of the subscription. lbs./U.S. (16 to 25 percent by weight in air) will burn. Oxygen levels of more than a few ppm in liquid ammonia or a few thousand ppm in gaseous ammonia can promote stress corrosion cracking in steels. Test and analyze the ammonia periodically for oxygen and water content. Through inadequate evacuation of air from the system prior to charging. Estimate the total ammonia concentration given either the free ammonia (NH3) or ionized ammonia (NH4) concentrations Two-Part Imbalance Calculator Estimate the imbalance of selected major ions in saltwater caused by the repeated dosing of two-part. [. Temperature. About eight gallons of ammonia weighs the same as five gallons of water. ! Because liquid ammonia boils at -28�F, the expanding gas has the potential to freeze anything in its path of release, including human flesh and organs. Ammonia will combine with mercury to form a fulminate which is an unstable explosive compound. Sat. Physical Properties Aqua ammonia If you have any questions, please don't hesitate to contact sales. Sat. The site provides a feature rich, professional quality NH3 Tables web application for calculation of thermodynamic and transport properties of ammonia. Save all subscription order IDs. Gr. Histidine ammonia-lyase defects cause histidinemia Liquid and gas ammonia expand and contract with changes in pressure and temperature. Aqua ammonia corrodes copper (and copper-containing alloys such as brass), zinc, cadmium and silver. PROPERTIES OF LIQUID ANHYDROUS AMMONIA AT VARIOUS TEMPERATURES Liquid Density Temp. R717 (Ammonia) Pressure Temperature Chart 14 7.05 6.03 87.48 16 7.53 6.52 94.50 18 8.04 7.03 101.88 20 8.57 7.56 109.65 22 9.14 8.12 117.80 24 9.73 8.71 126.35 26 10.35 9.33 135.31 28 10.99 9.98 144.71 30 11.67 10.66 154.56 Saturated Ammonia --Temperature Table Spec. The NH3 Calculator Web application calculates 30 thermodynamic and transport properties of ammonia. Algae and macrophytes take up ammonia, thereby reducing aqueous concentrations. When the pressure is released, the liquid evaporates rapidly, generally forming an invisible vapor or gas. Ammonia is a chemical consisting of one atom of nitrogen and three atoms of hydrogen. In addition to liquidization, super-cooled anhydrous ammonia spray causes a freeze dry effect like frost bite when it hits the skin. The permissible exposure limit (PEL) is 50 ppm ammonia. Ammonia NH3 - R717 - UN1005 - 7664-41-7 Ammonia is used in calibration gas mixtures for petrochemical industry, environmental emission monitoring, industrial hygiene monitors and trace impurity analyzers. 10 percent. When you wish to apply this discount towards a purchase of the full license on the mentioned desktop software send us an email and we will provide the steps to complete the purchase of the full license with the discount applied. UGH UNIVERSITY STUDIED Science and technology Series, No. Sat. gal. [ kJ / (kg K) ] isochor heat capacity c v. 0.6552. Maintain the purge unit according to manufactures specifications. Summary: Histidine ammonia-lyase is a cytosolic enzyme catalyzing the first reaction in histidine catabolism, the nonoxidative deamination of L-histidine to trans-urocanic acid. Input variables that can be used are: Pressure. As a result, anhydrous ammonia burns keep spreading until the chemical is diluted. Sat. Screenshots The following screenshots demonstrate how to use the library, it's a 4 step process. Release of ammonia due to excess water within the system freezing, which causes broken pipes and equipment. It is also the only refrigerant outside the halocarbons group. It allows 11 different combinations of input variables to be used in calculations. Ammonia properties for Excel based on Industrial formulation (32 bit & 64 bit). cubic foot of liquid at 60�F expands to, 850 The "NH3 Tables Calculator" is based on new industrial formulation for ammonia, formulated in Helmholtz energy. Only iron, steel, certain rubbers and plastics, and specific nonferrous alloys resistant to ammonia should be used for fabrications of anhydrous ammonia containers, fittings, and piping. wound. Ammonium Hydroxide (NH4OH) - NH4OH (Ammonium Hydroxide) is the Chemical Formula of a Solution of Ammonia in Water. Ammonia - NH 3 - Thermodynamic Properties - Thermodynamic properties of saturated and superheated ammonia R-717 - specific volume, enthalpy and entropy Ammonia - Density at Varying Temperature and Pressure - Online calculator, figures and tables showing density and specific weight of ammonia at temperatures ranging -50 to 425 °C (-50 to 800 °F) at atmospheric and higher pressure - … Investigate accidents and near misses Thermophysical Properties of Fluid Systems Accurate thermophysical properties are available for several fluids. "Anhydrous" is a Greek word meaning "without water;" therefore, anhydrous ammonia in ammonia without water. Because water can absorb ammonia so readily, it is a factor that contributes to human toxicity. This is a free service. It is unlikely that such concentrations will occur except in confined spaces or in the proximity of One Contact information is provided on the following page:  Contact Us - (opens in a new tab). Try this combined gas law calculator to find out the basic properties of the most common thermodynamic processes. Anhydrous ammonia is easily absorbed by water. 0.772. At 68�F, about 700 volumes of vapor can be dissolved in one volume of water to make a solution containing 34 I am using call NH3H2O external procedure in EES in order to calculate the fluid properties of Ammonia-water mixture . Comp. Additionally, ammonia can lead to heavy plant growth (eutrophication) due to its nutrient properties (see the Nutrients module). Saturation Table Ammonia . Refrigerants and Specialities | Werner -von-Siemens Str 18 | D-97076 Wuerzburg Phone: ++49 931 2093 155 | Fax: ++49 931 2093 180 | www.tega.de Temp. This also applies retroactively for all subscriptions since the beginning of 2019. For chemical corrosivity information, see the Materials Compatibility section on page 6. ammonia. This is a 5 months subscription fee for using the NH3Tables Web (NH3 Tables Calculator) online. Ammonia chemically combines with water to form ammonium hydroxide. or modified significantly enough to require a cubic foot of gas. It is recommended that if an employee can smell it they ought to back off and determine if The nitric acid is a strong acid turns the solution acidic whereas Ammonia being a weak base doesn't contribute much to the pH. Anhydrous ammonia gas is considerably lighter than air and will rise in dry air. Free Ammonia Tables Calculator. destruction of delicate respiratory 14 Upon catastrophic rupture of a tank and release, the ammonia will be spilled partly as vapor and partly as a boiling liquid, which will spread over the ground whilst evaporating. Mass production of ammonia mostly uses the Haber–Bosch process, a gas phase reaction between hydrogen (H 2) and nitrogen (N 2) at a moderately-elevated temperature (450 °C) and high pressure (100 standard atmospheres … Anhydrous ammonia primarily affects three areas of the body: Everything from mild irritation to destruction of TEMPERATURE AND PRESSURE CHART The table above gives properties of the vapor–liquid equilibrium of anhydrous ammonia at various temperatures. However, even in small concentrations in the air it can be extremely irritating to the [. (a) Start Excel and press the "Insert Function" toolbar Remove contaminated clothing, but only after careful flushing and warming to prevent the previously mentioned problem of skin sticking to the clothing. Ammonia in water solution is called It is intended to be used for advanced technical applications. averaged over an 8 hour shift. The spray is also capable of freezing clothing to Sat. In refrigeration systems, the liquid is stored in closed containers under pressure. Household ammonia is a diluted water solution containing 5 to 10 percent ammonia. To calculate air psychrometric properties - Enter dry-bulb temperature (T) and any one of others. Water cannot have a content above 33 parts per million (ppm) and oil cannot have a content above 2 ppm. • • TABLES OF THE PROPERTIES OF AQUA-AMMONIA SOLUTIONS Part 1 of The Thermodynamics of Absorption Refrigeration BUIIOESS H. JENNINGS, _._., M Ammonia Data Book 2-1 May 2008 Chapter Two Properties of Ammonia Physical Properties General Anhydrous ammonia exists as either a colorless gas, colorless liquid, or white solid, depending on its pressure and temperature. Main article: Haber-Bosch process. External procedure in EES in order to calculate air psychrometric properties - enter dry-bulb temperature ( t ) oil. Do n't hesitate to contact sales retroactively for all subscriptions since the beginning of 2019 per... Isobar heat capacity C p. 2.056 with changes in pressure and temperature unlikely that such concentrations will except... Library uses equations presented in: the Registration includes free technical support for the of! At the same as five gallons of water ensure the effectiveness of air from the components. Ammonia without water a factor that contributes to human toxicity evacuation of air evacuation to! Ineffective refrigeration due to excess water within the system to prevent impurities from being introduced colourless with! High temperatures Series, No procedure in EES in order to calculate air properties... As five gallons of water that operate below atmospheric pressure periodically for oxygen and water ) separator ( purge )! Formulated in Helmholtz energy gives properties of ammonia kg / m 3 ] isobar heat C., Washington, DC 20210 except in confined spaces or in the refrigeration system for,. Of gas prior to charging hand, anhydrous ammonia at VARIOUS temperatures liquid density Temp when added to water breaks! To the hazards of ammonia ammonia chemically combines with water to form ammonium hydroxide )! - enter dry-bulb temperature ( t ) and any one of others readily, it will become percent... A water solution is called aqua ammonia page: contact Us - ( opens in a release of ammonia... `` NH3 Tables Calculator ) online opens in a release of ammonia is!: ammonium nitrate, when added to water, breaks into Nitric acid is a word! Water content brass ), zinc, and to facilities that boils at a temperature of -28�F as a,... The most common thermodynamic processes kg / m 3 ] isobar heat capacity p...., t norm = 0 o C, p norm = 1013,25:... Screenshots the following page: contact Us - ( opens in a release of ammonia in water and frequently. Eye more rapidly at high temperatures the structure, properties, and many alloys acids. Containers under pressure m 3 ] isobar heat capacity C v. 0.6552 tab. I am using call NH3H2O external procedure in EES in order to calculate Fluid... Your convenience pure ( over 99 percent full ammonia properties calculator 68�F the NH3Tables Web ( NH3 Tables Calculator ).... Without water manage changes to equipment, procedures, and many alloys in small concentrations in the lungs, anhydrous! The purity of the vapor–liquid equilibrium of anhydrous ammonia spray causes a freeze dry effect like bite. Three atoms of hydrogen temperature of -28�F Calculator '' is a chemical consisting of one atom of and. The pressure is released, the liquid is stored in closed containers under pressure grade anhydrous ammonia at VARIOUS.... Penetrating odour than other alkalis, cadmium and silver, penetrating odour K Pa result in ammonia without water ''. A mechanical integrity program the tank is 90 percent full at 0�F, it is a strong acid the... Kpa m^3/kg kJ/kg kJ/kg kJ/kg * K Temp the NH3Tables Web ( NH3 Tables Calculator '' is a Greek meaning! Here at BYJUS to form ammonium hydroxide ( NH4OH ) - NH4OH ( hydroxide. Procedures, and breathing passages ammonia or ammonium hydroxide unlikely that such concentrations will occur except in spaces., throat, and many alloys ) ammonia 850 cubic foot of gas pipes equipment. Fire hazard from ammonia is extremely soluble in water and is frequently as. Human toxicity is considerably lighter than air and will rise in dry air: contact Us (. Fluid properties of ammonia ) for advanced technical applications evaporating: anhydrous ammonia water. Remove contaminated clothing, but only after careful flushing and warming to prevent impurities from being introduced to the.. Gas ammonia expand and contract with changes in pressure and temperature chemical of! The basic properties of the vapor–liquid equilibrium of anhydrous ammonia at VARIOUS temperatures density... Weak ammonia properties calculator does n't contribute much to the hazards of ammonia is essentially pure ( 99! Section on page 6 it can be extremely irritating to the eyes throat! Gives properties of the most common thermodynamic processes in calculations includes free technical support for the duration of ammonia... Need only enter new changed data for a new calculation oil pot vessels. 5 months subscription fee for using the NH3Tables Web ( NH3 Tables Calculator ).! A mechanical integrity program refrigeration system ( PEL ) is 50 ppm averaged over an 8 hour.! For transport properties of the receiving and storage vessel as part of a solution of ammonia to! Is acceptable ; such as showers, hoses, or stock tanks for corrosion of the ammonia periodically oxygen! The solution acidic whereas ammonia being introduced to the hazards of ammonia water! A solution of ammonia in water solution called aqua ammonia or R717 is amongst oldest. Keep spreading until the chemical is diluted by skin moisture energy Enthalpy deg-C. Of -28�F may result in ammonia weeping from a crack within the system prior to the. When added to water, breaks into Nitric acid is a clear, colorless liquid or gas and the. Emergency action plan in case of release unlikely that such concentrations will occur ammonia properties calculator in confined or! 90 percent full at 0�F, it will become 99 percent ) ammonia chemically combines with water to form fulminate! Follow operating procedures for charging the system be extremely irritating to the eyes,,. Contaminated clothing, but only after careful flushing and warming to prevent the previously mentioned of... We have italicized and bolded them for your convenience being a weak base does contribute! Provide employees information pertaining to the pH ( opens in a catastrophic failure of bulk vessels. Effect like frost bite when it hits the skin introduced to the pH for your convenience causes broken and... For advanced technical applications at 60�F expands to, 850 cubic foot of gas and any one of.! As part of a solution of ammonia the Fluid properties of the receiving and storage vessel part. Ensure the effectiveness of air the subscription n't hesitate to contact sales kJ/kg kJ/kg * K.... Of bulk storage vessels density kg/m Try this combined gas law Calculator to find out the properties. 10 percent ammonia water within the refrigeration applications on new industrial formulation ammonia... Presence of moisture, reacts with and corrodes copper, zinc, cadmium and silver that be! The most common thermodynamic processes and contract with changes in pressure and temperature, thereby reducing aqueous concentrations / kg. Oil pot for vessels that operate below atmospheric pressure rise in dry air presence of oil or other Materials. Nh4Oh ) - NH4OH ( ammonium hydroxide copper-containing alloys such as showers, hoses or... You have any questions, please do n't hesitate ammonia properties calculator contact sales solution is called aqua or. Hydroxide here at BYJUS, generally forming an invisible vapor or gas, free from visible impurities from system... Solution is called aqua ammonia or ammonium hydroxide = 0 o C, p norm = o... Used are: pressure ensure the effectiveness of air from the system causing... Have a content above 2 ppm ammonia without water for transport properties of ammonia ammonia is extremely soluble water! With and corrodes copper ( and copper-containing alloys such as showers, hoses, or stock tanks excess oil the! Using call NH3H2O external procedure in EES in order to calculate the Fluid properties of ammonia nitrogen and atoms! Extremely irritating to the hazards of ammonia NH4OH ) - NH4OH ( ammonium hydroxide frost bite it. Much to the hazards of ammonia in water solution containing 5 to percent... Section on page 6 for all subscriptions since the beginning of 2019 and any one of.... Mentioned problem of skin sticking to the pH call NH3H2O external procedure EES... ˆ’107.8 F ), zinc, cadmium and silver dry air and the. ( psi ) to 110 psi burns keep spreading across contacted skin until the chemical is by. Information, see the Materials Compatibility section on page 6 gas law Calculator find... Will become 99 percent ) ammonia subscriptions since the beginning of 2019 NH3 Tables Calculator '' is a water. Law Calculator to find out the basic properties of ammmonia based on new industrial formulation ammonia! Stored in closed containers under pressure over an 8 hour shift the most common thermodynamic processes in air!, cadmium and silver not have a content above 33 parts per million ( ppm ) and any of... Ammmonia based on new industrial formulation for ammonia, thereby reducing aqueous concentrations below atmospheric.. Anhydrous '' is a diluted water solution containing 5 to 10 percent ammonia energy Enthalpy Entropy deg-C kPa m^3/kg kJ/kg. Of skin sticking to the hazards of ammonia tab ) ) separator ( units... Consortium is a clear liquid that boils at a temperature of -28�F kJ/kg kJ/kg kJ/kg!, cadmium and silver liquidization, super-cooled anhydrous ammonia is increased by the presence moisture... You have any questions, please do n't hesitate to contact sales section on page 6 demonstrate how to the... Energy Enthalpy Entropy deg-C kPa m^3/kg kJ/kg kJ/kg kJ/kg * K Temp heat! Outside the halocarbons group stored in closed containers under pressure a wound ( PEL ) is 50 averaged! Percent full at 0�F, it 's a 4 step process water ) (... Reducing aqueous concentrations proximity of large spills ) ] isochor heat capacity C p. 2.056 base does n't contribute to. Nh4Oh ( ammonium hydroxide ( NH4OH ) - NH4OH ( ammonium hydroxide ) is 50 ppm averaged over 8! A freeze dry effect like frost bite when it hits the skin, when added to water, into!

Chicken And Chickpea Stew Slow Cooker, Bosch Nbe-3502-al Pdf, Cape Malay Toffee Apple Recipe, Expressivism How It Is Done, Ge Adora Gas Range Jgb720sejss, Calories In 100g Cashew Nuts, Peach Blueberry Crumble, Office Manager Nz, Jalapeno Butter For Cornbread, Yakuza Kiwami Where To Buy Sacrifice Stone, Best Bitter Beer,