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*  Phosphinate
The hypophosphite ion is H 2PO− 2. The salts are prepared by heating white phosphorus in warm aqueous alkali e.g. Ca(OH)2: P4 ... They are phosphorus(V) compounds with tetrahedral molecular geometry. Under the brand names Aerophine and Cyanex, they are used ... ISBN 0-08-037941-9. J. Svara, N. Weferling, T. Hofmann "Phosphorus Compounds, Organic" in Ullmann's Encyclopedia of Industrial ... Phosphinates or hypophosphites are a class of phosphorus compounds conceptually based on the structure of hypophosphorous acid ...
*  Homonuclear molecule
Homonuclear tetratomic molecules include arsenic (As4) and phosphorus (P4). Allotropes are different chemical forms of the same ...
*  Labeling of fertilizer
... elemental phosphorus. The percentage (mass fraction) of elemental phosphorus is 43.6% so elemental P = 0.436 x P2O5 K2O ... The value for P is the fraction by weight of P2O5 in a fertilizer with the same amount of phosphorus that gets all of its ... The most common labeling convention shows the amounts of nitrogen, phosphorus, and potassium in the fertilizer. Macronutrient ... see Guano George Rehm; Michael Schmitt; John Lamb; Gyes Randall; Lowell Busman (2002). "Understanding Phosphorus Fertilizers". ...
*  Michaelis-Arbuzov reaction
The organic chemistry of phosphorus. Part I. Some new methods for the preparation of alkyl halides". J. Chem. Soc.: 2224. doi: ...
*  Magnetic resonance spectroscopic imaging
MRSI can also be performed with phosphorus, or hyperpolarized carbon-13. Magnetic resonance spectroscopic imaging entry in the ... public domain NCI Dictionary of Cancer Terms [1] - article about phosphorus MRSI [2] - article about the use of MRSI to study ...
*  Phosphate solubilizing bacteria
Phosphorus (P) is one of the major essential macronutrients for plants and is applied to soil in the form of phosphate ... Currently, the main purpose in managing soil phosphorus is to optimize crop production and minimize P loss from soils. PSB have ... Phosphate solubilizing bacteria (PSB) are beneficial bacteria capable of solubilizing inorganic phosphorus from insoluble ... Interestingly, recent data suggest that bacteria growin under phosphorus starvation release iron-chelating molecules. ...
*  Centre for Magnetic Resonance Investigations
... proton spectroscopy and phosphorus spectroscopy. The research is wholly funded by the charity Yorkshire Cancer Research. ...
*  Eutrophication
It has been shown that the amount of phosphorus lost to surface waters increases linearly with the amount of phosphorus in the ... This is also the case with increased levels of phosphorus. However, because phosphorus is generally much less soluble than ... Phosphorus is a necessary nutrient for plants to live, and is the limiting factor for plant growth in many freshwater ... Phosphorus is often regarded as the main culprit in cases of eutrophication in lakes subjected to "point source" pollution from ...
*  Phosphorus halide
Phosphorus pentachloride, phosphorus pentabromide, and phosphorus heptabromide are ionic in the solid and liquid states; PCl5 ... Phosphorus trichloride is a major industrial chemical and widely used starting material for phosphorus chemistry. Phosphorus ... There are three series of binary phosphorus halides, containing phosphorus in the oxidation states +5, +3 and +2. All compounds ... Phosphorus pentafluoride is a relatively inert gas, notable as a mild Lewis acid and a fluoride ion acceptor. It is a fluxional ...
*  Chemical phosphorus removal
Jefferson Lendeh Chemical phosphorus removal is a wastewater treatment method, where phosphorus is removed using salts of ...
*  Phosphite ester
Phosphorus(III) Ligands in Homogeneous Catalysis: Design and Synthesis. John Wiley & Sons. doi:10.1002/9781118299715.ch3. Doak ... Diorganophosphites are derivatives of phosphorus(V) and can be viewed as the di-esters of phosphorous acid. They exhibit ... Phosphite esters are typically prepared by treating phosphorus trichloride with an alcohol. Depending on the synthetic details ... the lone pair on phosphorus is the site of high reactivity. The compounds do however undergo transesterification. Phosphinite P ...
*  Sucroferric oxyhydroxide
2009). "Phosphorus binders and survival on hemodialysis". Am Soc Nephrol. 20 (2): 388-96. doi:10.1681/ASN.2008060609. PMC ... As a consequence of the decreased dietary phosphate absorption, serum phosphorus concentrations are reduced. Sucroferric ... iron-based phosphate binder used for the control of serum phosphorus levels in adult patients with chronic kidney disease (CKD ... for the control of serum phosphorus levels in patients with chronic kidney disease (CKD) on dialysis. The most frequently ...
*  Phosphorus
... phosphorus exists in two major forms-white phosphorus and red phosphorus-but because it is highly reactive, phosphorus is never ... Violet phosphorus is a form of phosphorus that can be produced by day-long annealing of red phosphorus above 550 °C. In 1865, ... Red phosphorus may be formed by heating white phosphorus to 250 °C (482 °F) or by exposing white phosphorus to sunlight. ... Ruttenberg, K.C. Phosphorus Cycle - Terrestrial Phosphorus Cycle, Transport of Phosphorus, from Continents to the Ocean, The ...
*  Phosphorus pentachloride
... is the chemical compound with the formula PCl5. It is one of the most important phosphorus chlorides, ... Phosphorus pentachloride "Phosphorus pentachloride". Immediately Dangerous to Life and Health Concentrations (IDLH). National ... The reaction of phosphorus pentoxide and PCl5 produces POCl3:[page needed] 6 PCl5 + P4O10 → 10 POCl3 PCl5 chlorinates nitrogen ... Phosphorus halides "NIOSH Pocket Guide to Chemical Hazards #0509". National Institute for Occupational Safety and Health (NIOSH ...
*  Phosphorus sesquisulfide
P4S3 is produced by the reaction of red or white phosphorus with sulfur. Excess sulfur gives phosphorus pentasulfide (P4S10). ... Phosphorus sesquisulfide is the inorganic compound with the formula P4S3. It was developed by Henri Sevene and Emile David ... It dissolves in an equal weight of carbon disulfide (CS2). Unlike some other phosphorus sulfides, P4S3 is slow to hydrolyze and ... Loosening of the teeth has also been reported which may have been due to phosphorus poisoning. This article contains public ...
*  Phosphorus virescens
nimbata Lesne, 1914 Phosphorus virescens var. jansoni Chevrolat, 1861 Phosphorus virescens var. lambda Lesne, 1914 Phosphorus ... Phosphorus virescens var. congolanus Lesne, 1914 Phosphorus virescens var. angolator (Olivier, 1795) Phosphorus virescens var. ... bibudiensis Hintz, 1919 Phosphorus virescens var. gabonator Thomson, 1865 Phosphorus virescens var. albidipennis Breuning, 1942 ... Phosphorus virescens is a species of beetle in the family Cerambycidae. It was described by Olivier in 1795, originally under ...
*  Phosphorus pentasulfide
... is obtained by the reaction of liquid white phosphorus (P4) with sulfur above 300 °C. The first ... Phosphorus pentasulfide is the inorganic compound with the formula P2S5 or dimer P4S10. This yellow solid is the one of two ... Phosphorus pentasulfide is a dual-use material, for the production of early insecticides such as Amiton and also for the ... Its tetrahedral molecular structure is similar to that of adamantane and almost identical to the structure of phosphorus ...
*  Phosphorus trichloride
... is a chemical compound of phosphorus and chlorine, having the chemical formula PCl3. It has a trigonal ... Phosphorus trichloride is prepared industrially by the reaction of chlorine with a refluxing solution of white phosphorus in ... PCl3 is a precursor to other phosphorus compounds, undergoing oxidation to phosphorus pentachloride (PCl5), thiophosphoryl ... a rare chloride of phosphorus is formed, diphosphorus tetrachloride (P2Cl4). Phosphorus trichloride is the precursor to ...
*  Phosphorus unicolor
... is a species of beetle in the family Cerambycidae. It was described by Per Olof Christopher Aurivillius in ... BioLib.cz - Phosphorus unicolor. Retrieved on 8 September 2014.. ...
*  Phosphorus selenide
... s are a relatively obscure group of compounds. There have been some studies of the phosphorus - selenium ... While some are similar to their phosphorus analogues, the phosphorus sulfides, there are some new forms, molecular P2Se5 and ... Phosphorus -selenium glasses have been examined using 31P NMR and Raman spectroscopy. Glasses are formed in PxSe1−x over the ... Molecular P2Se5 has a norbornane like structure with two phosphorus atoms with oxidation state +3 bridged by two diselenide ...
*  Phosphorus trifluoride
The phosphorus atom has a nuclear magnetic resonance chemical shift of 97 ppm (downfield of H3PO4). Phosphorus trifluoride ... Phosphorus trifluoride is usually prepared from phosphorus trichloride via halogen exchange using various fluorides such as ... Phosphorus trifluoride has an F−P−F bond angle of approximately 96.3°. Gaseous PF3 has a standard enthalpy of formation of −945 ... Phosphorus trifluoride (formula PF3), is a colorless and odorless gas. It is highly toxic and reacts slowly with water. Its ...
*  Phosphorus acid
Phosphorus oxoacids are oxoacids of phosphorus. Phosphorus exhibits oxidation states from +1 to +5. Oxygen may be in oxidation ... Examples of phosphorus acids include: Phosphorus oxoacids containing P in oxidation state +1: H3PO2 (or H2PO(OH)), ... a tetraprotic acid Phosphorus oxoacids containing P in mixed oxidation states: H4P2O6 (or H(OH)(O)P-O-P(O)(OH)2), ... a triprotic acid Phosphorus oxoacids containing P in oxidation state +4: H4P2O6 (or (OH)2P(O)−P(O)(OH)2), Hypophosphoric acid, ...
*  Phosphorus pentafluoride
... , PF5, is a phosphorus halide. It is a colourless, toxic gas that fumes in air. Phosphorus ... W. Kwasnik "Phosphorus(V) fluoride" in Handbook of Preparative Inorganic Chemistry, 2nd Ed. Edited by G. Brauer, Academic Press ... pentafluoride was first prepared in 1876 by the fluorination of phosphorus pentachloride using arsenic trifluoride, which ...
*  Phosphorus heptabromide
... is an inorganic compound with the formula PBr7. It is one of the phosphorus bromides. At normal ... Phosphorus tribromide Phosphorus pentabromide T. E. (Thomas Edward) Thorpe. A dictionary of applied chemistry (Volume 4) ... PBr7 can be prepared by the sublimation of a mixture of phosphorus pentabromide and bromine. The structure consists of a PBr4+ ... Breneman, G. L.; Willett, R. D. (1967). "The crystal structure of phosphorus heptabromide, PBr7". Acta Crystallographica. 23 (3 ...
*  Phosphorus-32
... is a radioactive isotope of phosphorus. The nucleus of phosphorus-32 contains 15 protons and 17 neutrons, one ... Phosphorus is found in many organic molecules and so phosphorus-32 has many applications in medicine, biochemistry and ... DNA can therefore be tracked by replacing the phosphorus with phosphorus-32. This technique is extensively used in Southern ... more neutron than the most common isotope of phosphorus, phosphorus-31. Phosphorus-32 only exists in small quantities on Earth ...