Search: in
Arsenic pentoxide
Arsenic pentoxide in Encyclopedia Encyclopedia
  Tutorials     Encyclopedia     Videos     Books     Software     DVDs  
       
Encyclopedia results for Arsenic pentoxide

Arsenic pentoxide





Encyclopedia results for Arsenic pentoxide

  1. Arsenic pentoxide

    chembox verifiedrevid 435546139 Name Arsenic pentoxide ImageFile Arsenic pentoxide 3D polyhedra.png ImageName Arsenic pentoxide OtherNames Arsenic V oxide br Arsenic oxide br Arsenic anhydride Section1 Chembox Identifiers InChI 1 As2O5 c3 1 4 7 2 5 6 SMILES O As O O As O O InChIKey COHDHYZHOPQOFD UHFFFAOYAN StdInChI Ref stdinchicite correct chemspider StdInChI 1S As2O5 c3 1 4 7 2 5 6 StdInChIKey Ref stdinchicite correct chemspider StdInChIKey COHDHYZHOPQOFD UHFFFAOYSA N CASNo Ref cascite correct CAS CASNo 1303 28 2 PubChem 14771 EINECS 215 116 9 ChemSpiderID Ref chemspidercite correct chemspider ChemSpiderID 14088 RTECS CG2275000 Section2 Chembox Properties Formula As sub 2 sub O sub 5 sub MolarMass 229.8402 g mol Appearance white hygroscopic powder Density 4.32 g cm sup 3 sup MeltingPt 315 ... Phosphorus pentoxide br Antimony pentoxide OtherCpds Arsenic trioxide br Arsenic acid Arsenic pentoxide is the inorganic compound with the formula As sub 2 sub O sub 5 sub . This glassy, white solid ... more important commercially, is arsenic III oxide As sub 2 sub O sub 3 sub . Synthesis and reactions Arsenic pentoxide can be crystallized by heating As sub 2 sub O sub 3 sub under oxygen. In fact, arsenic pentoxide decomposes to oxygen and As sub 2 sub O sub 3 sub upon heating. ref cite journal ... Hazards http www cie.iarc.fr htdocs monographs suppl7 arsenic.html IARC Monograph &ndash Arsenic and Arsenic Compounds http ntp.niehs.nih.gov ntp roc eleventh profiles s015arse.pdf NTP Report on Carcinogens &ndash Inorganic Arsenic Compounds http esis.jrc.ec.europa.eu ESIS European chemical Substances Information System inrs title Arsenic et compos s min raux number 192 year 1992 nist Arsenic compounds DEFAULTSORT Arsenic Pentoxide Category Chalcoarsenics Category Oxides Category IARC ... ref As sub 2 sub O sub 5 sub , which like phosphorus pentoxide is hygroscopic , dissolves readily in water to form arsenic acid , H sub 3 sub AsO sub 4 sub . ref Greenwood&Earnshaw pp. 576 577 ref ...   more details



  1. Pentoxide

    wiktionary pentoxide pentoxide may refer to Antimony pentoxide , Sb sub 2 sub O sub 5 sub Arsenic pentoxide , As sub 2 sub O sub 5 sub Dinitrogen pentoxide , N sub 2 sub O sub 5 sub Iodine pentoxide , I sub 2 sub O sub 5 sub Niobium pentoxide , Nb sub 2 sub O sub 5 sub Phosphorus pentoxide , P sub 4 sub O sub 10 sub Tantalum pentoxide , Ta sub 2 sub O sub 5 sub Tungsten pentoxide , W sub 18 sub O sub 49 sub Chemistry disambiguation ...   more details



  1. Arsenic

    Group 1 carcinogens group 1 carcinogens , and the EU lists arsenic trioxide, arsenic pentoxide ...Infobox arsenic THIS ARTICLE WAS STARTED IN AND IS KEPT IN BRITISH SPELLING Arsenic IPAc en icon r ... atomic mass 74.92. Arsenic occurs in many minerals, usually in conjunction with sulfur and metals ... Oxford ref Arsenic is a metalloid . It can exist in various allotropy allotropes , although only the grey form has important use in industry. The main use of metallic arsenic is for strengthening alloys of copper and especially lead for example, in car batteries . Arsenic is a common n type dopant ... semiconductor in use after doped silicon. Arsenic and its compounds, especially the trioxide, are used ..., Hans Uwe Wolf title Arsenic and Arsenic Compounds doi 10.1002 14356007.a03 113.pub2 ref Arsenic is notoriously poisonous to multicellular life, and a few species of bacteria are able to use arsenic compounds as respiratory metabolites. Arsenic contamination of groundwater is a problem that affects ... common Allotropy allotropes are metallic grey , yellow and black arsenic , with grey being the most common. ref cite book title Chemistry of Arsenic, Antimony and Bismuth first Nicholas C last Norman ... ref Grey arsenic As, space group R overline 3 m No. 166 adopts a double layered structure consisting ... arsenic is brittle and has a relatively low Mohs hardness of 3.5. Nearest and next nearest neighbors ...  g cm sup 3 sup . ref name Holl Grey arsenic is a semimetal , but becomes a semiconductor ... year 2004 publisher Birkh user isbn 978 3 540 40488 0 pages 410 ref Yellow arsenic is soft and waxy ... allotrope, being molecular, is the most volatile, least dense and most toxic. Solid yellow arsenic is produced by rapid cooling of arsenic vapour, chem As 4 . It is rapidly transformed into the grey arsenic by light. The yellow form has a density of 1.97 g cm sup 3 sup . ref name Holl Black arsenic ... 10.1002 zaac.18940060139 Isotopes Main Isotopes of arsenic Naturally occurring arsenic is composed ...   more details



  1. Antimony pentoxide

    chembox Watchedfields changed verifiedrevid 442805638 ImageFile Antimony pentoxide xtal 1979 3D balls.png Name Antimony pentoxide OtherNames antimony V oxide Section1 Chembox Identifiers ChemSpiderID Ref chemspidercite correct chemspider ChemSpiderID 14129 InChI 1 5O.2Sb rO5Sb2 c1 6 2 5 7 3 4 SMILES O Sb O O Sb O O InChIKey LJCFOYOSGPHIOO YOUOZQPQAC StdInChI Ref stdinchicite correct chemspider StdInChI 1S 5O.2Sb StdInChIKey Ref stdinchicite correct chemspider StdInChIKey LJCFOYOSGPHIOO UHFFFAOYSA N CASNo Ref cascite correct CAS CASNo 1314 60 9 Section2 Chembox Properties Formula Sb sub 2 sub O sub 5 sub MolarMass 323.5 g mol Appearance yellow powdery solid Density 3.78 g cm sup 3 sup , solid Solubility very slightly soluble SolubleOther insoluble in nitric acid MeltingPt 380  C decomposes BoilingPt Section7 Chembox Hazards EUClass not listed NFPA F 1 Antimony pentoxide Antimony Sb sub 2 sub Oxygen O sub 5 sub is a chemical compound of antimony and oxygen . It always occurs in hydrated form, Sb sub 2 sub O sub 5 sub n H sub 2 sub O. Fact date June 2009 It contains antimony in the 5 oxidation state. Structure Antimony pentoxide has the same structure as the B form of niobium pentoxide and can be derived from the rutile structure, with antimony coordinated by six oxygens in a distorted octahedral arrangement. The SbO sub 6 sub octahedra are corner and edge sharing. ref cite journal journal Acta Cryst. volume B35 issue 3 month March year 1979 pages 539 542 title Die Kristallstruktur ... wikitable center File Antimony pentoxide xtal 1979 Sb coord 3D balls O.png 120px center center File Antimony pentoxide xtal 1979 O1 coord B 3D balls.png 140px center center File Antimony pentoxide ... www.nyacol.com whitepapers2.htm title Colloidal Antimony Pentoxide in Flame Retarded ABS last Bartlett ... PENTOXIDE publisher chemicalLAND21.com accessdate 2006 07 28 ref It is also used as an ion exchange ... hydrated pentoxide converts to an anhydrous white solid with a formula Sb sub 2 sub O sub 13 ...   more details



  1. Phosphorus pentoxide

    chembox verifiedrevid 464205408 Name Phosphorus pentoxide ImageFileL1 Phosphorus pentoxide 2D dimensions.png ImageSizeL1 150px ImageNameL1 Phosphorus pentoxide ImageFileR1 Phosphorus pentoxide 3D balls.png ImageSizeR1 125px ImageNameR1 Phosphorus pentoxide OtherNames Diphosphorus pentoxide br Phosphorus ... NFPA H 3 NFPA R 3 NFPA F 1 NFPA O W Phosphorus pentoxide is a chemical compound with molecular formula ... desiccant . Structure Phosphorus pentoxide crystallizes in at least four forms or polymorphism ... S0108270194012126 title Phosphorus Pentoxide at 233 K author D. Stachel, I. Svoboda and H. Fuess ref ... align center class wikitable center File Phosphorus pentoxide sheet from xtal 3D balls.png 300px center center File Phosphorus pentoxide xtal 3D balls.png 250px center center part of an o P sub ..., phosphorus pentoxide was used to provide a supply of concentrated pure phosphoric acid . In the thermal process, the phosphorus pentoxide obtained by burning white phosphorus was dissolved in dilute ... to give phosphorus pentoxide is not practicable on heating, metaphosphoric acid will decompose before it loses water. Applications Phosphorus pentoxide is a potent dehydration reaction dehydrating ... s. ref Tidwell, T. T. Dimethyl Sulfoxide Phosphorus Pentoxide in Encyclopedia of Reagents for Organic ... sub is converted to dinitrogen pentoxide N sub 2 sub O sub 5 sub   sulfuric acid H sub 2 sub SO ... sub 4 sub O sub 10 sub . Hazards Phosphorus pentoxide is not flammable. It reacts vigorously with water ... msds mf baker baker files p4116.htm Phosphorus pentoxide MSDS ref Fiction In Anthony Burgess The Wanting Seed , phosphorus pentoxide is a highly prized Chemical compound compound . Clarify date June 2010 In Detective Comics 825, Batman notices that phosphorus pentoxide was at the scene of a fire ... , Lord Edward bemoans societal loss of phosphorous pentoxide to his assistant Illidge. In Aldous Huxley s Brave New World , Henry Foster tells Lenina about the recovery of phosphorus pentoxide. See ...   more details



  1. Iodine pentoxide

    chembox verifiedrevid 443877513 ImageFile Iodine pentoxide 3D balls.png ImageSize IUPACName diiodine pentoxide OtherNames iodine V oxide iodic anhydride Section1 Chembox Identifiers ChemSpiderID Ref chemspidercite correct chemspider ChemSpiderID 140179 InChI 1 I2O5 c3 1 4 7 2 5 6 InChIKey BIZCJSDBWZTASZ UHFFFAOYAR StdInChI Ref stdinchicite correct chemspider StdInChI 1S I2O5 c3 1 4 7 2 5 6 StdInChIKey Ref stdinchicite correct chemspider StdInChIKey BIZCJSDBWZTASZ UHFFFAOYSA N CASNo 12029 98 0 PubChem ChEBI Ref ebicite correct EBI ChEBI 29914 SMILES O I O OI O O Section2 Chembox Properties Formula I sub 2 sub O sub 5 sub MolarMass 333.81 g mol Appearance white crystalline solid ref name G&E Greenwood&Earnshaw pp. 851 852 ref br hygroscopic Density 4.980 g cm sup 3 sup ref name G&E MeltingPt 300 C decomp ref Pradyot Patnaik. Handbook of Inorganic Chemicals . McGraw Hill, 2002, ISBN 0070494398 ref Solubility SolubleOther soluble in nitric acid br insoluble in ethanol , ether and carbon disulfide CS sub 2 sub Section3 Chembox Hazards MainHazards oxidizer FlashPt Autoignition NFPA H 3 NFPA F 1 NFPA R 0 NFPA O OX Section8 Chembox Related OtherAnions iodine pentafluoride Iodine pentoxide is the chemical compound with the Chemical formula formula I sub 2 sub O sub 5 sub . This iodine oxide is the acid anhydride anhydride of iodic acid . It is produced by dehydrating iodic acid at 200 C in a stream of dry air ref name G&E 2HIO sub 3 sub I sub 2 sub O sub 5 sub H sub 2 sub O Structure I sub 2 sub O sub 5 sub is bent with an I O I angle of 139.2 , but the molecule has no mirror plane so its molecular symmetry symmetry is not C sub 2v sub . The terminal I O distances are around 1.80 ... Chem. Scand. volume 24 pages 1912 1914 doi 10.3891 acta.chem.scand.24 1912 ref Reactions Iodine pentoxide ... in the periodic table Iodides References reflist Iodine compounds DEFAULTSORT Iodine Pentoxide ... es Pent xido de yodo ko it Anidride iodica simple Iodine pentoxide sr ...   more details



  1. Tantalum pentoxide

    chembox Watchedfields changed verifiedrevid 437221973 Name Tantalum pentoxide please replace if not identical with the pagename ImageFile Kristallstruktur Triuranoctoxid.png crystal structure is similar Section1 Chembox Identifiers CASNo Ref cascite correct CAS CASNo 1314 61 0 Section2 Chembox Properties Formula Ta sub 2 sub O sub 5 sub MolarMass 441.893 g mol Solubility insoluble SolubleOther insoluble in ethanol , most acid br soluble in hot conc. hydrofluoric acid HF Density 8.20 g cm sup 3 sup ref cite book title Handbook of Inorganic Chemicals last Patnaik first Pradyot year 2002 publisher McGraw Hill location London isbn 9780070494398 ref MeltingPt 1872 C Appearance white, odorless powder EnergyGap 4.2 eV DielectricConstant 25 Tantalum pentoxide is Ta sub 2 sub O sub 5 sub , also known as tantalum V oxide. Both orthorhombic and hexagonal crystal system hexagonal phases are known. Ta sub 2 sub O sub 5 sub is a high refractive index , low absorption material useful for coatings in the near ultraviolet UV to infrared IR spectra regions it decomposes only at temperatures 1470 C. History The metal oxide discovered by Anders Gustaf Ekeberg was obtained from minerals taken from pegmatite an igneous rock associated with tantalite or columbite at Ytterby , Sweden, and Kimoto, Finland . The microlite pyrochlore mineral series is also a source of tantalum oxide. Microlite contains approximately 70 of tantalum oxide, and pyrochlore contains approximately 10 . Synthesis There are several methods available for the synthesis of tantalum oxide. One method involves isolating tantalum pentoxide ... a mixture of tantalum pentoxide and carbon tetrachloride in a sealed glass tube in a high pressure ... with tantalum pentoxide are strong oxidizing agent s, chlorine trifluoride , bromine monofluoride ... compounds tantalum ditantalum pentaoxide.html title Tantalum compounds ditantalum pentoxide ... Tantalum compounds DEFAULTSORT Tantalum Pentoxide Category Tantalum compounds Category Oxides cs Oxid ...   more details



  1. Dinitrogen pentoxide

    chembox Watchedfields changed verifiedrevid 451483489 ImageFile Dinitrogen pentoxide 2D.png ImageSize 200px ImageName Full structural formula with dimensions ImageFile1 Dinitrogen pentoxide 3D balls.png ImageSize1 200px ImageName1 Ball and stick model IUPACName Dinitrogen pentaoxide OtherNames Nitric acid anhydride br dnpo Section1 Chembox Identifiers ChemSpiderID Ref chemspidercite correct chemspider ChemSpiderID 59627 InChI 1 N2O5 c3 1 4 7 2 5 6 ChEBI Ref ebicite correct EBI ChEBI 29802 SMILES O N O O N O O InChIKey ZWWCURLKEXEFQT UHFFFAOYAN StdInChI Ref stdinchicite correct chemspider StdInChI 1S N2O5 c3 1 4 7 2 5 6 StdInChIKey Ref stdinchicite correct chemspider StdInChIKey ZWWCURLKEXEFQT UHFFFAOYSA N CASNo 10102 03 1 CASNo Ref cascite correct CAS PubChem 66242 RTECS Section2 Chembox Properties Formula N sub 2 sub O sub 5 sub MolarMass 108.01 g mol Appearance white solid Density 1.642 g cm sup 3 sup 18  C Solubility reacts to give Nitric acid HNO sub 3 sub SolubleOther soluble in chloroform MeltingPt 41  C ref cite book author Emeleus title Advances in Inorganic Chemistry ... Function nitrogen oxide s OtherCpds Nitric acid Dinitrogen pentoxide is the chemical compound with the chemical formula formula N sub 2 sub O sub 5 sub . Also known as nitrogen pentoxide, N sub 2 sub ... entails dehydrating nitric acid HNO sub 3 sub with Phosphorus pentoxide phosphorus V oxide ref name ... hydrolyses to produce nitric acid. Thus, nitrogen pentoxide is the anhydride of nitric acid N ... form above 70  C. ref name Holl Reactions and applications Dinitrogen pentoxide, for example ... of Process Technology for the Manufacture of Dinitrogen Pentoxide and its Utility for the Synthesis ... compounds and ammonium salts. The decomposition of dinitrogen pentoxide produces the highly toxic nitrogen dioxide gas. References reflist DEFAULTSORT Dinitrogen Pentoxide Category Oxides Category ... ru V simple Dinitrogen pentoxide sk Oxid dusi n sr zh ...   more details



  1. Tungsten pentoxide

    Tungsten pentoxide tungsten 2 oxygen 5 was reported in early literature but proved to have the stoichiometry W sub 18 sub O sub 49 sub . ref name Wells Wells A.F. 1984 Structural Inorganic Chemistry 5th edition Oxford Science Publications ISBN 0 19 855370 6 ref Sometimes called mineral blue it is a blue solid formed by the reaction of tungsten trioxide, W sub 2 sub O sub 3 sub , and tungsten metal at 700 C. ref name Wells There are a number of these unusual intermediate oxides formed from reacting metal and trioxide namely, W sub 20 sub O sub 58 sub ,W sub 24 sub O sub 70 sub . ref name Wells W sub 18 sub O sub 49 sub contains both octahedral and pentagonal bipyramidal coordination of the metal atoms by oxygen. ref name Wells References reflist Tungsten compounds inorganic compound stub Category Tungstates Category tungsten compounds Category Transition metal oxides ...   more details



  1. Niobium pentoxide

    pentoxide B. M. Gatehouse and A. D. Wadsley Acta Cryst. 1964 . 17, 1545 1554 doi 10.1107 S0365110X6400384X ... sub ref Process for the manufacture of niobium pentoxide or tantalum pentoxide, Kern, Therwil, Jacob ... the polymorphic form, T Nb sub 2 sub O sub 5 sub . ref Sol gel route to niobium pentoxide, P Griesmar ... niobium pentoxide particles have been synthesised by LiH reduction of NbCl sub 5 sub , followed by aerial ... 9780470132616.ch42 ref Li sub 3 sub NbO sub 4 sub 2 NbO 3 LiNbO sub 2 sub Uses Niobium pentoxide is used ...   more details



  1. Arsenic oxide

    Arsenic oxide may refer to either of the following Arsenic trioxide , As sub 2 sub O sub 3 sub Arsenic pentoxide , As sub 2 sub O sub 5 sub disambig ...   more details



  1. Arsenic pentafluoride

    Section4 Chembox Related OtherCpds Arsenic pentachloride br Arsenic trifluoride br Arsenic pentoxide ... group 5 fluoride s Arsenic pentafluoride is a chemical compound of arsenic and fluorine . The oxidation state of arsenic is 5. Synthesis Arsenic pentafluoride can be prepared by direct combination of arsenic ... also be prepared by the reaction of arsenic trifluoride and fluorine AsF sub 3 sub F sub 2 sub AsF sub 5 sub Properties Arsenic pentafluoride is a colourless gas and has a trigonal bipyramidal structure ... 166.8 pm. ref name Greenwood Reactions Arsenic pentafluoride forms halide complexes and is a powerful ... Arsenic compounds Category Arsenic compounds Category Fluorides de Arsen V fluorid it Pentafluoruro ...   more details



  1. Arsenic pentasulfide

    53 SPhrases S20 21 , S28 , S45 , S60 , S61 Section4 Chembox Related OtherCpds Arsenic pentoxide br Arsenic trisulfide br Phosphorus pentasulfide Arsenic pentasulfide is an inorganic compound contains arsenic and sulfur with the formula. The identity of this reddish solid remains uncertain. ref Greenwood&Earnshaw2nd ref Solids of the approximate formula Arsenic As sub 2 sub Sulfide S sub 5 sub have ...Chembox Verifiedfields changed verifiedrevid 457155558 IUPACName Arsenic pentasulfide OtherNames Arsenic V sulfide br Diarsenic pentasulfide Section1 Chembox Identifiers CASNo Ref cascite changed ?? CASNo 1303 34 0 PubChem 3371533 PubChem Ref Pubchemcite correct pubchem ChemSpiderID 2617071 ChemSpiderID Ref chemspidercite correct chemspider UNNumber 1557 SMILES S As S S As S S SMILES1 S As 12S As 3 S S As S S1 S As S S2 S3 StdInChI Ref stdinchicite correct chemspider StdInChI 1S As2S5 c3 1 4 7 2 5 6 InChI 1S As4S10 c5 1 9 2 6 12 3 7,10 1 14 4 8,11 1 13 2 StdInChIKey Ref stdinchicite correct chemspider ... Preparation Arsenic pentasulfide is prepared by precipitation from an acidic solution of soluble ... Blackie Acad. & Professional location London title Chemistry of arsenic, antimony and bismuth ref It may be also prepared by heating a mixture of arsenic and sulfur, extracting the fused mass with an ammonia solution and reprecipitating arsenic pentasulfide at low temperature by addition of hydrochloric ... featuring tetrahedral phosphorus V centres. Trends in arsenic redox potentials suggest that As sub 2 sub S sub 5 sub adopts a similar structure, a plausible alternative being an arsenic polysulfide. Reactions Arsenic pentasulfide hydrolyzes in boiling water, giving arsenous acid and sulfur As sub ... at elevated temperatures producing arsenic oxides, the products and yields of which are variable. In alkali metal sulfide solutions arsenic pentasulfide forms a thioarsenate anion, AsS sub 4 sub sup 3 sup , which contain As III centres. References references Arsenic compounds Category Chalcoarsenics ...   more details



  1. Arsenic pentachloride

    chembox verifiedrevid 439854259 ImageFile Arsenic pentachloride from xtal 3D balls.png ImageSize 120px ImageName Ball and stick model of a single molecule ImageFile1 Arsenic pentachloride xtal 3D balls.png ImageSize1 220px ImageName1 Ball and stick model of the crystal structure IUPACName OtherNames Section1 Chembox Identifiers CASNo Ref cascite correct ?? CASNo 22441 45 8 PubChem SMILES Section2 Chembox Properties Formula AsCl sub 5 sub MolarMass 252.1866 g mol Appearance Density MeltingPt BoilingPt Solubility Section3 Chembox Hazards MainHazards FlashPt Autoignition Section4 Chembox Structure MolShape Trigonal Bipyramidal D sub 3h sub Dipole Section8 Chembox Related OtherFunctn Phosphorus pentachloride br Antimony pentachloride Function group 5 chloride s OtherCpds Arsenic pentafluoride br Arsenic trichloride br Arsenic pentoxide Arsenic pentachloride is a chemical compound of arsenic and chlorine . ref Greenwood&Earnshaw ref This compound was first prepared in 1976 through the UV irradiation of arsenic trichloride , AsCl sub 3 sub , in liquid chlorine at 105 C. ref cite journal title Arsenic Pentachloride, AsCl sub 5 sub author K. Seppelt journal Angew. Chem. Int. Ed. Engl year 1976 volume 15 issue 6 pages 377 378 doi 10.1002 anie.197603771 ref AsCl sub 5 sub decomposes at around 50 C. The structure of the solid was finally determined in 2001. ref cite journal title Solid State Structures of AsCl sub 5 sub and SbCl sub 5 sub author Haupt S, Seppelt K, journal Zeitschrift f r anorganische und allgemeine Chemie year 2002 volume 628 issue 4 pages 729 734 doi 10.1002 1521 3749 ... ax sub 220.7pm . br The pentachlorides of the elements above and below arsenic in group 15, phosphorus ... following the first transition series i.e. gallium, germanium, arsenic, selenium and bromine ... the lanthanide contraction . References reflist Arsenic compounds DEFAULTSORT Arsenic Pentachloride Category Arsenic compounds Category Chlorides ar zh ...   more details



  1. Arsenic trioxide

    does it give arsenic pentoxide , As sub 2 sub O sub 5 sub . Reduction gives elemental arsenic or arsine ...chembox Verifiedfields changed Watchedfields changed verifiedrevid 457814990 Name Arsenic trioxide ImageFile Arsenic trioxide.jpg ImageName Arsenic trioxide ImageFile1 As4O6 molecule from arsenolite xtal 3D balls.png ImageName1 Ball and stick model of the As4O6 molecule OtherNames Arsenic III oxide, br Arsenic sesquioxide , br Arsenicum album , br Arseneous oxide, br Arseneous anhydride, br White arsenic ref http scifun.chem.wisc.edu chemweek Arsenic Arsenic.html Shakhashiri BZ, Chemical of the Week Arsenic , University of Wisconsin Madison Chemistry Dept. ref Section1 Chembox Identifiers UNII ... Related OtherAnions Arsenic trisulfide OtherCations Phosphorus trioxide br Antimony trioxide OtherCpds Arsenic pentoxide br Arsenous acid Arsenic trioxide is the inorganic compound with the chemical formula formula As sub 2 sub O sub 3 sub . This commercially important oxide of arsenic is the main precursor to other arsenic compounds, including organoarsenic compound s. Approximately 50,000 tonne s are produced annually. ref name Ullmann Sabina C. Grund, Kunibert Hanusch, Hans Uwe Wolf Arsenic and Arsenic Compounds in Ullmann s Encyclopedia of Industrial Chemistry, VCH Wiley, 2008, Weinheim. ref Many applications are controversial given the high toxicity of arsenic compounds. Preparation and properties Arsenic trioxide can be generated via many routine processing of arsenic compounds including the oxidation combustion of arsenic and arsenic containing minerals in air . Illustrative is the roasting of orpiment , a typical arsenic sulfide ore. 2 As sub 2 sub S sub 3 sub 9 O sub 2 sub 2 As sub 2 sub O sub 3 sub 6 SO sub 2 sub Most arsenic oxide is, however, obtained as a volatile ... containing ores, liberates arsenic trioxide upon heating in air. The processing of such minerals ... 2007 08 28 ref Only in China are arsenic ores intentionally mined. ref name Ullmann Arsenic trioxide ...   more details



  1. Arsenic acid

    OtherCpds Arsenous acid br Arsenic pentoxide Arsenic acid is the chemical compound with the chemical ... b 4 p 3 is the product of the third ionization. Unlike phosphoric acid, arsenic acid is oxidizing, illustrated by its ability to convert iodide to iodine . Preparation Arsenic acid is prepared by treating arsenic trioxide with concentrated nitric acid , or by combination of arsenic pentoxide with water ... acid is the arsenic analogue of phosphoric acid . Arsenate and phosphate salts behave very similarly. Arsenic acid as such has not been isolated, but only found in solution where it is largely ..., W. T. A. title Tetraethylammonium dihydrogenarsenate bis arsenic acid and 1,4 diazoniabicyclo 2.2.2 octane bis dihydrogenarsenate arsenic acid hydrogen bonded networks containing dihydrogenarsenate anions and neutral arsenic acid molecules journal Acta Crystallographica year 2007 volume C63 pages ... water. Other methods Arsenic acid can be prepared by reacting moist elemental arsenic with ozone ... applications of arsenic acid are limited by its toxicity. It has found occasional use as a wood ... of some dyestuff s and organic arsenic compounds. The LD50 in rabbits is 6 mg kg 0.006 g kg ... arsenic ru sr Arsenatna kiselina sh Arsenatna kiselina fi Arseenihappo sv Arseniksyra ...   more details



  1. Arsenic chloride

    Arsenic chloride may refer to either of the following Arsenic trichloride , AsCl sub 3 sub Arsenic pentachloride , AsCl sub 5 sub disambig ...   more details



  1. Arsenic fluoride

    Arsenic fluoride may refer to either of the following Arsenic trifluoride , AsF sub 3 sub Arsenic pentafluoride , AsF sub 5 sub disambig ...   more details



  1. Book:Arsenic

    saved book title Arsenic subtitle An overview cover image Arsen 1a.jpg cover color Arsenic An overview Overview Arsenic Isotopes Isotopes of arsenic Miscellany Arsenic poisoning Arsenic contamination of groundwater Arsenic toxicity Carancas impact event Grainger challenge Marsh test Sono arsenic filter Category Wikipedia books on chemical elements Category Arsenic Wikipedia books on elements ...   more details



  1. Arsenic toxicity

    country of Viet Nam . In humans inorganic arsenic is reduced nonenzymatically from pentoxide to trioxide, using glutathione GSH or it is mediated by enzymes. Reduction of arsenic pentoxide to arsenic ...Infobox disease Name Arsenic toxicity Image Caption DiseasesDB ICD10 ICD10 T 57 0 t 51 ICD9 ICD9 985.1 ICDO OMIM MedlinePlus eMedicineSubj eMedicineTopic MeshID Arsenic is known as the king of poisons cause many of its compounds are especially potent poisons. Arsenic disrupts Adenosine triphosphate ATP production through several mechanisms. At the level of the citric acid cycle , arsenic inhibits pyruvate ... failure see arsenic poisoning probably from necrotic cell death, not apoptosis . A post mortem reveals brick red colored mucosa , due to severe hemorrhage . Although arsenic causes toxicity, it can ... first2 John ref Exposure main Arsenic contamination of groundwater The oxides of arsenic are the most ... of geologic formations and are extracted into the ground water. Thus although arsenic poisoning can ..., resulting from water wells drilled into aquifers that have high concentrations of arsenic. Inorganic arsenic arsenate and arsenite salts are more harmful than organic arsenic exposure. ref P.L. Smedley ... Arsenic associations in sediments from the loess aquifer of La Pampa, Argentina Applied Geochemistry 20 2005 989 1016. DOI 10.1016 j.apgeochem.2004.10.005 ref Organic arsenic is 500 times less harmful than inorganic arsenic, ref Medicine net.com july,2 2010 definition of arsenic ref and is a minor ... of the less toxic organic arsenic, with the predominant source being seafood. Kinetics The two forms of inorganic arsenic, reduced trivalent As III and oxidized pentavalent As V , can be absorbed ... July pmid 15240880 pmc 478587 doi 10.1073 pnas.0402511101 ref In the liver, the metabolism of arsenic ... Thompson DJ title A chemical hypothesis for arsenic methylation in mammals journal Chemico biological ... Vahter M, Concha G title Role of metabolism in arsenic toxicity journal Pharmacology & Toxicology volume ...   more details



  1. Arsenic triselenide

    Refimprove date May 2009 chembox verifiedrevid 431676226 Name Arsenic triselenide ImageFile As2Se3structure.jpg OtherNames Arsenic III selenide Reference ref name hand Citation last Lide first David R. author link year 1998 title Handbook of Chemistry and Physics edition 87 publication place Boca Raton, FL publisher CRC Press isbn 0 8493 0594 2 pages 4 43 ref Section1 Chembox Identifiers ChemSpiderID Ref chemspidercite correct chemspider ChemSpiderID 14089 InChI 1 As2Se3 c3 1 5 2 4 SMILES Se As Se As Se InChIKey WBFMCDAQUDITAS UHFFFAOYAQ StdInChI Ref stdinchicite correct chemspider StdInChI 1S As2Se3 c3 1 5 2 4 StdInChIKey Ref stdinchicite correct chemspider StdInChIKey WBFMCDAQUDITAS UHFFFAOYSA N CASNo Ref cascite correct CAS CASNo 1303 36 2 PubChem 14772 RTECS CG2285000 Section2 Chembox Properties Formula As sub 2 sub Se sub 3 sub MolarMass 386.72 g mol Appearance brown black powder Odor odorless Density 4.75 g cm sup 3 sup Solubility insoluble MeltingPt 360 C BoilingPt Section3 Chembox Structure CrystalStruct Monoclinic , Pearson symbol mP20 , SpaceGroup P2 sub 1 sub c, No. 14 mP20 P21 c 14 Section7 Chembox Hazards EUClass not listed NFPA H 4 NFPA R 0 NFPA F 0 Section8 Chembox Related OtherAnions diarsenic trioxide , diarsenic trisulfide , arsenic tribromide , arsenic III telluride OtherCations antimony III selenide OtherCpds arsenic V selenide Arsenic triselenide Arsenic As sub 2 sub Selenium Se sub 3 sub is an inorganic chemical compound , a selenide of arsenic . Amorphous arsenic triselenide is used as a chalcogenide glass for infrared optics , as it transmits light with wavelength s between 870 nm and 17.2 m. Arsenic triselenide is covalently bonded. Even so, the arsenic has a formal oxidation state of 3. Safety Arsenic triselenide should be kept away from strong bases in contact with aluminium or zinc and strong acids. References Reflist Arsenic compounds Category Chalcoarsenics Category Selenides Category Optical materials Category Non oxide glasses Glass material ...   more details



  1. Arsenic triiodide

    3 sub 3KI AsI sub 3 sub 3 KCl Reactions Hydrolysis occurs only slowly in water forming arsenic trioxide ... solution is 1.1. It decomposes to arsenic trioxide, elemental arsenic and iodine when heated in air ... References references Arsenic compounds Category Halomonoarsanes Category Inorganic compound stubs ...   more details



  1. Arsenic poisoning

    Infobox disease Name Arsenic poisoning Image Weltkarte arsenrisikogebiete.gif Caption Arsenic poisoning is a global problem arising from naturally occurring arsenic in ground water. Size 632 px DiseasesDB ... 42 MeshID D020261 Arsenic poisoning is a medical condition caused by elevated levels of the element arsenic . The dominant basis of arsenic poisoning is from ground water that naturally contains high concentrations of arsenic. A 2007 study found that over 137 million people in more than 70 countries are probably affected by arsenic poisoning of drinking water. ref cite journal title A review of the source, behaviour and distribution of arsenic in natural waters author Smedley PL, Kinniburgh DG ... 02 00018 5 ref Signs and symptoms Symptoms of arsenic poisoning begin with headaches, confusion, severe ... of the body that are usually affected by arsenic poisoning are the lungs, skin, kidneys, and liver. The final result of arsenic poisoning is coma to death. citation needed date October 2011 Arsenic ... Long term arsenic exposure and ischemic heart disease in arseniasis hyperendemic villages in Taiwan ... author Smith AH, Hopenhayn Rich C, Bates MN, et al. title Cancer risks from arsenic in drinking water ... inorganic arsenic journal Stroke volume 28 issue 9 pages 1717 23 year 1997 month September ... Arsenic exposure and prevalence of type 2 diabetes in US adults journal JAMA volume 300 issue 7 pages ... author Kile ML, Christiani DC title Environmental arsenic exposure and diabetes journal JAMA volume ... blindness Long term exposure to arsenic is related to vitamin A deficiency which is related to heart ... term arsenic exposure journal Atherosclerosis volume 141 issue 2 pages 249 57 year 1998 month December ... minimal lethal dose of arsenic in adults is estimated to be 70 to 200  mg or 1  mg kg day ... location Philadelphia year 2004 pages 1393 1401 isbn 0 7817 2845 2 ref Most reported arsenic poisonings are caused by one of arsenic s compounds, also found in drinking water, arsenic trioxide ...   more details



  1. Arsenic biochemistry

    Arsenic biochemistry refers to biochemistry biochemical processes that can use arsenic or its compounds, such as arsenate . Arsenic is a Abundance of elements in Earth s crust moderately abundant element on the earth s crust, and although many arsenic compounds are often considered arsenic toxicity highly ... and inorganic arsenic compounds are metabolized by numerous organism s. This pattern is general for other .... Arsenic biochemistry has become topical since many arsenic compounds are highly toxic and it is found ... thumb right S Adenosylmethionine , source of methyl groups in many biogenic arsenic compounds. Arsenic toxicity main Arsenic toxicity Arsenic poisoning Arsenic is a cause of mortality throughout ... diseases. ref name Dopp ref name IARC cite journal title Arsenic in Drinking Water Review article ... and DNA methylation. The carcinogenic effect of arsenic arises from the oxidative stress induced by arsenic. Arsenic s high toxicity naturally led to the development of a variety of arsenic compounds ... of the interaction of arsenic compounds with living organisms. One result was the development of antidotes ... that is commonly produced by microbial action on inorganic arsenic substrates. ref William R. Cullen, Kenneth J. Reimer Arsenic speciation in the environment Chemical Reviews, 1989, volume 89, pp ... title Microbial Methylation of Metalloids Arsenic, Antimony, and Bismuth journal Microbiology and Molecular .... ref Kevin A. Francesconi, John S. Edmonds, Robert V. Stick Arsenic Compounds from the Kidney of the Giant Clam Tridacna maxima Isolation and Identification of an Arsenic containing Nucleoside J ... if inorganic arsenic is present. ref cite journal first Ronald last Bentley title Microbial Methylation of Metalloids Arsenic, Antimony, and Bismuth journal Microbiology and Molecular Biology ... of fish or mushrooms however, there is little danger in eating fish since this arsenic compound is nearly non toxic. ref cite journal title Arsenic speciation in the environment first William R last ...   more details



  1. Arsenic sulfide

    Arsenic sulfide may refer to Arsenic trisulfide , As sub 2 sub S sub 3 sub , the mineral orpiment Tetraarsenic tetrasulfide, As sub 4 sub S sub 4 sub , the mineral realgar Tetraarsenic trisulfide , As sub 4 sub S sub 3 sub , occurs as the minerals and dimorphite Tetraarsenic pentasulfide, As sub 4 sub S sub 5 sub , similar structure to phosphorus pentasulfide P sub 4 sub S sub 5 sub disambig ...   more details




Articles 1 - 25 of 2509          Next


Search   in  
Search for Arsenic pentoxide in Tutorials
Search for Arsenic pentoxide in Encyclopedia
Search for Arsenic pentoxide in Videos
Search for Arsenic pentoxide in Books
Search for Arsenic pentoxide in Software
Search for Arsenic pentoxide in DVDs
Search for Arsenic pentoxide in Store


Advertisement




Arsenic pentoxide in Encyclopedia
Arsenic pentoxide top Arsenic pentoxide

Home - Add TutorGig to Your Site - Disclaimer

©2011-2013 TutorGig.com. All Rights Reserved. Privacy Statement