rock phosphate formula

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 % - 44, Urea Rock Phosphate thus stands in conformity to the prevailing industrial norms and standards. Inorganic phosphates are mined to obtain phosphorus for use in agriculture and industry. Phosphate rock and fertilizer grade is almost universally expressed by those in this field as phosphate pentoxide (P205). 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. The largest global producer and exporter of phosphates is Morocco. SPECIFICATION, HAZARD The phosphoric acid is further processed to produce fertilizers, food-grade and feed-grade additives, and detergents. 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. CLASS, Ammonia Phosphate formula, also known as Phosphate ion formula or Orthophosphate formula, is given in this article. -27, 20 It is used directly in fertilizer and as a source of phosphorous compounds. PHOSPHATE, SOLUBLE 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 Chemical Composition PRP Moisture (%by wt) : 1.5 max. - 37, 12 The phosphate content of phosphorite (or grade of phosphate rock) varies greatly, from 4% to 20% phosphorus pentoxide(P2O5). - 37, 25 Phosphates are the naturally occurring form of the element phosphorus, found in many phosphate minerals. - 28, 20 - 32, Urea 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. Ammonium Nitrate, 28 max (+4 mesh) + 65% ~ 80% min (-4 ~ +100mesh) + Marketed phosphate rock is enriched ("beneficiated") to at least 28%, often more than 30% P2O5. Phosphate Rock. Rock phosphate is a mined rock that contains limestone and clay as well as a high concentration of phosphorus (P). 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. The largest and least expensive source of phosphorus is obtained by mining and concentrating phosphate rock from the numerous phosphate deposits of the world. + 1% ~ 3% (-270mesh), Nutrient In mineralogy and geology, phosphate refers to a rock or ore containing phosphate ions. The term phosphate rock (or phosphorite) is used to denote any rock with high phosphorus content. it is available at highly feasible prices in the market among our competitors. - 40. This salt of phosphoric acid has one central phosphorus atom which is surrounded by four oxygen atoms in a tetrahedral shape. What is Rock Phosphate? These minerals are called apatites. This zone extend downwards to a depth of around 60m and rests on fresh carbonatite with appetite, magnetite and spinel. Rock Phosphate is formed in oceans in the form of calcium phosphate, called phosphorite. PRODUCT - 39, 10 - 54, 48 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. CHLORODE, POTASSIUM - 55, 43 OXIDE, 2.0% - 26, 33 - 16, 20 15% ~ 25% (-100 ~ +200mesh) + 1% ~ 3% (-200 ~ +270mesh) Christmas Island Rock Phosphate (CIRP) was formed by slow phosphatisation of the parent sedimentary and volcanic rocks over millions of years. Rock Phosphate Specification - Free download as Word Doc (.doc), PDF File (.pdf), Text File (.txt) or read online for free. - 11, 34 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 … Phosphorus is a very important piece of the DNA and RNA molecules of which all life is formed. Sulfate, 30 - 52, 12 It is also important for the development of teeth and bones. anhydrous, Ammonia Potassic, 17 Phosphorite, phosphate rock or rock phosphate is a non-detrital sedimentary rock that contains high amounts of phosphate minerals. DESCRIPTION & APPLICATIONS, TOTAL - 21, 46 - 34, 18 - 48, SALES 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. - 41, 26 OXIDE, MAGNESIUM In the past, rock phosphate was used alone as a fertilizer, but due to a lack in supply, as well … Ammonium Phosphate, 21 Despite such widespread use, the latter … 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. +Add Attachment This occurs through washing, screening, de-liming, magnetic separation or flotation. The most predominant mineral of phosphate is francolite which is calcium carbonate-fluorapatite of formula [Ca 5 (PO 4,CO 3) 3 (F,OH)]. - 22, 28 The chemical formula for phosphate rock is Ca5FO12P3. - 20, 44 The name phosphorus comes from the Greek word phosphorous, which means bringer of light. (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. - 18, Slag solution, 20 By comparison, the average phosphorus content of sedimentar… IDENTIFICATION, GENERAL This mineral formula is also called calcium carbonate-fluorapatite. wt %, 25 'Rock Phosphate' is a sedimentary rock composed of phosphate minerals high enough, especially apatite. - 21, 35 Chemical Name : Calcium (Fluoro, Chloro, Hydroxyl) Phosphate.