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NH3 - AMMONIA ![]() 1- Ammonia Properties and DangersBasic Qualifications Gas Name : Ammonia, R717 Exposure Limit Values (For Toxic Gases) Short Term Average (15 Minute Maximum Value, STEL): 35 ppm (27 mg/m3 ) Long Flammability (For Flammable Gases) Lower Explosive Limit (LEL) : 15% Hazard Details > It is a poisonous gas if inhaled, swallowed, or in contact with the eyes or skin, even in very small amounts. Poisoning symptoms progress as follows: Irritation of the eyes, nose and throat, shortness of breath, wheezing, pulmonary edema, pink frothy sputum, skin burns and blisters. Sources: 2- Our Ammonia Detection Solutions (NH3 Detectors)GD2G Series Electrochemical Gas DetectorsFor the precise detection of toxic gases and oxygen. It can detect gases such as carbon monoxide, hydrogen sulfide, ammonia and sulfur dioxide with ppm (parts per million) level accuracy. Easily integrated into your security system with relay outputs and 4-20mA analog output. Quick Specs
ATEX and IECEx Certified Adjustable Alarm Level Sensor-Adjust Technology
1- What is Ammonia?Ammonia is a colorless, pungent, poisonous , corrosive and flammable gas with the chemical formula NH3 . It is also known as 'R717 refrigerant gas'. The liquid known as ammonia in the market is the dissolved form of this gas in water at certain rates, which is why ammonia gas is also called 'anhydrous ammonia'. 2- Where is Ammonia Found and Where is It Used?Ammonia is an important industrial raw material and is one of the most produced inorganic substances in the world. Apart from its industrial production, it is found in very small amounts in living organisms because it plays a role in protein production. Ammonia is used today mostly as a fertilizer in agriculture, as a raw material in the pharmaceutical industry, its aqueous solution as a cleaning agent in homes, in the fermentation industry to provide pH balance, as a refrigerant in the cooling industry, and in the mercerization process of cotton fabrics in the textile industry. Apart from these, it is an important substance used in metallurgy, plastics, petroleum, explosives and other industries. 3- Why is Ammonia Dangerous?This toxic and flammable gas, used in many areas of industry, can pose a threat to personnel and facility safety if the necessary precautions are not taken. Ammonia is 0.60 times less dense than air, so it rises when released into the air. However, in very humid environments, ammonia reacts with water vapor in the air, forming a fog denser than air and collecting near the ground. Ammonia accumulating in closed or poorly ventilated areas can be fatal. Since ammonia is a poisonous gas even in very small amounts, precautions should be taken in this regard first. ToxicityAmmonia is a poisonous gas for humans. When mixed with water, it is very toxic to aquatic organisms such as fish and amphibians, so it is considered a dangerous substance for the environment. According to the limits specified by the US National Institute for Occupational Safety and Health, the long-term (10-hour) exposure limit value in the workplace is 25 ppm , the short-term (15-minute) exposure limit value is 35 ppm , and the environment with 300 ppm ammonia should be left immediately. Karf&Scoot GD2G Ammonia Detector ensures your personnel safety by measuring the amount of ammonia in a potentially hazardous environment quickly and precisely between 0 and 100 ppm thanks to its electrochemical sensor technology. (For other gases and measurement ranges, you can review our GD2G Electrochemical Detector page.) CorrosivenessAmmonia causes corrosion on metal surfaces. For this reason, equipment such as pipes and valves made of copper, zinc and their alloys cannot be used during the transportation or use of ammonia. FlammabilityAlthough ammonia is a flammable gas, it requires special conditions to create a fire-explosion hazard. The lower explosion limit (LEL) of ammonia is 15% and the upper explosion limit (UEL) is 28%. In other words, in order for ammonia to burn, there must be at least 15% ammonia in the air and this rate must not exceed 28%. Ammonia fires mostly occur at ammonia cylinders or pipe leak points. Such fires cannot be fought directly with water, dry or foam fire extinguishing solutions are required. 4-How to Detect Ammonia?
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