2.2 design considerations for the ammonia/water system. 2.2.1 properties of ammonia, and security.Ammonia is a natural substances proven to occur with the production and used in large quantities (in the United States alone, 20 million tons per year of IPCS health and safety manual, ammonium public world health org. Chemical safety programmes, Geneva, 1990) for agriculture as a fertilizer and as a source of fibre, plastic explosive and .consequently it has been sent in large quantities by rail and boat ammonia is also used as a cleaning and conditioning agent for de-and food additives, ammonia is a ก๊.Samai has the color of the density of the flow at room temperature that has a spiciness. It has a molecular mass 17.03 and lighter than air and atmospheric conditions. It can be stored and transported as a liquid under pressure of 1 MPa 25 0c the focus of ammonia at 132.30 c and 11.3 MPa, density kg/m3 235 is important since high water solubility ammonium NH4 + OH-ion and creation-it responded quickly with mucous membranes but will not.Get absorbed through the skin. Humans can smell in a concentration of 50 ppm PPMS is about the very high concentration of 25 ppm () that in the long run will be limited from the point of view of occupational health (IPCS 1990, ammonia, health and safety, Geneva) was a high ammonia exposure can die.-The falls are flammable and explosives during the 16-volume 25% (IPCS 1990, ammonia, health & safety manuals, company org. World Health. The program of chemical safety, Geneva) in the air. A strong smell of ammonia can be seen as an asset. It's the shock itself. Even very small leaks in the system will be easily noticed and therefore, it is important that incentives are available for the repair and maintenance of early consistent. How to check for leaks is to use wet indicator paper, will quickly change color when exposed to air at least part of the trip is in the quantity of ammonia. However, detecting equipment leaks such as traditional SOAP (or bubble) Solution does not work, since the ammonia dissolved in water, without creating bubbles.
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