rock phosphate formula

The largest and least expensive source of phosphorus is obtained by mining and concentrating phosphate rock from the numerous phosphate deposits of the world. The most common rock phosphate mined is fluorapatite, which contains impurities like CO3, Na and Mg. Carbonate-fluorapatite (francolite) is primary apatite mineral in the majority of phosphate rocks. 'Rock Phosphate' is a sedimentary rock composed of phosphate minerals high enough, especially apatite. Phosphate Rock. A phosphate salt is obtained when a positively charged ion gets attached to the oxygen atoms that are negatively charged and forms an ionic compound. Potassic, 17 The term phosphate rock (or phosphorite) is used to denote any rock with high phosphorus content. - 26, 33 Rock Phosphate Specification - Free download as Word Doc (.doc), PDF File (.pdf), Text File (.txt) or read online for free. Phosphorite, phosphate rock or rock phosphate is a non-detrital sedimentary rock that contains high amounts of phosphate minerals. Rock Phosphate thus stands in conformity to the prevailing industrial norms and standards. Rock phosphate, or phosphorite, is mined from clay deposits that contain phosphorus and is used to make organic phosphate fertilizers that many gardeners utilize. Rock phosphate is a mined rock that contains limestone and clay as well as a high concentration of phosphorus (P). - 21, 46 Rock Phosphate Fertilizer Phosphate is essential in building a biological soil, it is a major building block in all living plants and crucial for plants to develop healthy root systems, set fruit and assimilate nutrients for good plant growth. The average P2O5 is 35% , at times higher , for the phosphate ore rich ore.Rock phosphate also contains CaF2 or CaCl2 and the chemical formula can be written Ca5(PO4)3Cl or 3Ca3(PO4)2.Ca(F,Cl)2. - 25, 13 - 40. By comparison, the average phosphorus content of sedimentar… Despite such widespread use, the latter … OXIDE, MAGNESIUM it is available at highly feasible prices in the market among our competitors. wt %, 25 - 41, 26 Inorganic phosphates are mined to obtain phosphorus for use in agriculture and industry. Phosphate rock of 70 to 75% BPL, or as high as is reasonably obtainable, is finely ground in a ball mill and then mixed with cooled recycled phosphoric acid-gypsum slurry in a digestion tank (Figs. + 1% ~ 3% (-270mesh), Nutrient - 32, Urea - 21, 35 - 37, 25 Phosphate rock and fertilizer grade is almost universally expressed by those in this field as phosphate pentoxide (P205). Other marginal applications include metal surface treatment, corrosion inhibition, flame retardants, water treatment, and ceramic production. The actual composition varies depending on it’s source but it usually contains 16 to 20% P. The phosphate content of phosphorite (or grade of phosphate rock) varies greatly, from 4% to 20% phosphorus pentoxide(P2O5). The name phosphorus comes from the Greek word phosphorous, which means bringer of light. - 38, Urea Ammonium Nitrate, 28 The Island is made up of volcanic rocks interbedded with coral limestone, and has been subjected to several phases of uplifting, forming a central plateau at an elevation of 200-350 metres above sea level. - 37, 12 The general formula for pure rock phosphate is Ca10 (PO4)6 (X)2, where X is F−, OH− or Cl−. There are four kinds of phosphate rocks: This mineral formula is also called calcium carbonate-fluorapatite. It is also important for the development of teeth and bones. Marketed phosphate rock is enriched ("beneficiated") to at least 28%, often more than 30% P2O5. What is Rock Phosphate? - 28, 20 - 48, SALES This mineral formula is also called calcium carbonate-fluorapatite. - 39, 10 Phosphate formula, also known as Phosphate ion formula or Orthophosphate formula, is given in this article. The chemical formula for phosphate rock is Ca5FO12P3. +Add Attachment All rights reserved, The mailbox will be used as the login user name and retrieve the password, (File Format: Jpg, Gif, Png, PDF,Zip,Txt,doc or xls Max Size: 3MB), Nitrogen phosphorus potassium mixed fertilizer, Nitrogen-Phosphorus-Potassium compound fertilizer with sulphur, Hubei willow ditch Chemical Technology Co., Ltd, Hubei Organic And Phosphoric Chemicals Import & Export Co., Ltd, Yick-Vic Chemicals & Pharmaceuticals (HK) Ltd. In mineralogy and geology, phosphate refers to a rock or ore containing phosphate ions. The phosphoric acid is further processed to produce fertilizers, food-grade and feed-grade additives, and detergents. 15% ~ 25% (-100 ~ +200mesh) + 1% ~ 3% (-200 ~ +270mesh) Four kinds of phosphate rocks are recognized: hard rock phosphate, sofc rock phosphate, land pebble phosphate and river pebble phosphate, with the phosphorus content varying from 2 to 21 % max (+4 mesh) + 65% ~ 80% min (-4 ~ +100mesh) + CLASS, Ammonia SPECIFICATION, HAZARD The most predominant mineral of phosphate is francolite which is calcium carbonate-fluorapatite of formula [Ca 5 (PO 4,CO 3) 3 (F,OH)]. - 18, Slag In the past, rock phosphate was used alone as a fertilizer, but due to a lack in supply, as well … OXIDE, 2.0% Phosphates are the naturally occurring form of the element phosphorus, found in many phosphate minerals. anhydrous, Ammonia Chemical Name : Calcium (Fluoro, Chloro, Hydroxyl) Phosphate. (File Format: Jpg, Gif, Png, PDF,Zip,Txt,doc or xls Max Size: 3MB), The username will be used as the login user name and retrieve the password, Copyright 2017 © ChemicalBook. - 55, 43 - 11, 34 DESCRIPTION & APPLICATIONS, TOTAL ROCK PHOSPHATE Chemical Composition PRP Moisture (%by wt) : 1.5 max. Christmas Island Rock Phosphate (CIRP) was formed by slow phosphatisation of the parent sedimentary and volcanic rocks over millions of years. The phosphate rock is initially converted to phosphoric acid (P 2 O 5) by reaction with sulfuric acid. solution, 20 -27, 20 This occurs through washing, screening, de-liming, magnetic separation or flotation. Phosphorus is a very important piece of the DNA and RNA molecules of which all life is formed. - 22, 28 - 54, 48 These minerals are called apatites. - 16, 20 IDENTIFICATION, GENERAL Apatite includes 10 mineral species and has the general formula X 5 Y (PO 4) 3, where X is usually Ca 2+ or Pb 3+ and Y is F -, Cl … - 52, 12 Rock Phosphate is formed in oceans in the form of calcium phosphate, called phosphorite. This zone extend downwards to a depth of around 60m and rests on fresh carbonatite with appetite, magnetite and spinel. CHLORODE, POTASSIUM Sulfate, 30 - 44, Urea PRODUCT It is used directly in fertilizer and as a source of phosphorous compounds. This salt of phosphoric acid has one central phosphorus atom which is surrounded by four oxygen atoms in a tetrahedral shape. Ammonium Phosphate, 21 - 20, 44 PHOSPHATE, SOLUBLE The largest global producer and exporter of phosphates is Morocco. - 34, 18

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