Like other elements in the nitrogen group, a peculiarity of the structure of phosphorus causes it to make very strong bonds with other elements. ENP accounts for around 90% of demand. 25th ed. In addition to making the element highly reactive, this also ensures that it appears in numerous compounds. trialkyl phosphites Trimethyl phosphite is an important example which is used to make organophosphorus herbicides, pesticides and flame retardants. Its manufacture is carried out only where comparatively cheap energy, such as hydroelectric power, is available. Yu ASL. The main sources are milk and cheese, fish, meat, dried fruit and whole grains.Phosphorus is the second macro element present in our body after Calcium.It is the second … Whole-grain breads and cereals contain more phosphorus than cereals and breads made from refined flour. URL of this page: //medlineplus.gov/ency/article/002424.htm. Thanks for helping with my home work. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. i loved it. A.D.A.M. It has a concentration in the Earth's crust of about one gram per kilogram (compare copper at about 0.06 grams). It is melted with hot water (indirect heating) then kept at 330 K in the rail car and discharged directly from the rail car to a storage tank where it is stored underwater. General fertilizers contain the chemicals nitrogen, phosphorus and potassium, which are also called NPK. Impurities present include calcium and magnesium carbonates, iron(lll) oxide, aluminium oxide, and silica. It is also needed for the body to make protein for the growth, maintenance, and repair of cells and tissues. U.S. Department of Health and Human Services, 0 to 6 months: 100 milligrams per day (mg/day)*. . Maybe your mom keeps baking powder in there for when she needs to do some cooking. Some calcium silicate is used as low-grade hardcore. It can be used in the production process for the preparation of the nodules from the phosphate rock, or in some instances is sold to local power producers. The reaction is carried out in graphite batch reactors. Phosphorus is a chemical element with the symbol P and atomic number 15. Phosphorus is also essential for maintaining acid-base balance in the body. Call 911 for all medical emergencies. The reason I looked this up was because its listed as a content in my energy drink (20mg per serving). White phosphorus is used in flares and incendiary devices. Elemental phosphorus production is by an electrothermal process and consequently the energy demand is very high. The main function of phosphorus is in the formation of bones and teeth. It is produced by heating a mixture of phosphorous acid with glycine (2-aminoethanoic acid) and then adding methanal. Phosphorus is found in the body both in organic and inorganic form, in bones and teeth (about 80%), but also in blood and soft tissues. The uses of some of the key phosphorus compounds, such as phosphorus trichloride, phosphorous acid, the phosphorus sulfides, sodium hypophosphite, phosphine and the phosphides are discussed in this unit. Phosphoric acid and the phosphates are very widely used. The carbon monoxide is either burnt off or recycled as a source of fuel. Philadelphia, PA: Elsevier Saunders; 2016:chap 218. this website is the best. What are the consequences of excess phosphorus? Scientists use phosphorus to make baking powder. During photosynthesis, it converts … The sustained combustion of the flare is also achieved with the help of this allotrope. A modern furnace has a diameter of approximately 12 m and is 8 m high and can produce 30 000 tonnes of phosphorus a year. It has a crucial role to play in photosynthesis, nutrient transportation, and energy transfer. To optimize production efficiency, the feed of phosphate rock into a furnace needs to be as uniform as possible. Phosphorus is a mineral that makes up 1% of a person's total body weight. The phosphorus requirement corresponds to about 12-14 mg / kg of body weight per day . Phosphorus has many functions in the human body. It is reacted with either methanol, ethanol, or propan-2-ol (isopropanol) to produce respectively dimethylphosphorodithioic acid (DMPA), diethylphosphorodithioic acid (DEPA), or diisopropylphosphorodithioic acid (DIPA). Human phosphorus use has created problems for wildlife and people, alike. The phosphides react with moisture, hydrolyzing to form phosphine and thus they have to be handled very carefully. White phosphorus ignites spontaneously in air, and therefore is stored under warm water as a lower liquid layer. This site complies with the HONcode standard for trustworthy health information: verify here. This is made by hydrolyzing phosphorus trichloride in dilute phosphorous acid. 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