Iron forms compounds mainly in the oxidation states +2 (iron(II), "ferrous") and +3 (iron(III), "ferric"). Iron also occurs in ... Iron(II) compounds tend to be oxidized to iron(III) compounds in the air. Cobalt compounds Ferberite Fe(−4), Ru(−4), and Os(−4 ... Iron forms various oxide and hydroxide compounds; the most common are iron(II,III) oxide (Fe3O4), and iron(III) oxide (Fe2O3). ... The iron compounds produced on the largest scale in industry are iron(II) sulfate (FeSO4·7H2O) and iron(III) chloride (FeCl3). ...
"Helium-Iron Compounds at Terapascal Pressures". Physical Review Letters. 121 (1): 015301. arXiv:1806.03017. Bibcode:2018PhRvL. ... Helium is predicted to be included under pressure in ionic compounds of the form A2B or AB2. These compounds could include ... Arsenolite helium inclusion compound As4O6·2He is stable from pressures over 3 GPa and up to at least 30 GPa. Arsenolite is one ... Iron helide (FeHe) was early on claimed to have been found, but the discovery was classified as an alloy. Early studies ...
4, p. 221 Senkus, M. (1948). "Iron Reduction of Some Aliphatic Nitro Compounds". Ind. Eng. Chem. 40: 506. doi:10.1021/ ... Alkyl and aryl nitro compounds behave differently. Most useful is the reduction of aryl nitro compounds. The reduction of ... Treatment of aromatic nitro compounds with metal hydrides gives good yields of azo compounds. For example, one could use: ... β-Unsaturated nitro compounds can be reduced to saturated amines by: Catalytic hydrogenation over palladium-on-carbon Iron ...
Iron compounds Osmium compounds Technetium compounds Rhodium compounds Cotton, Simon (1997). Chemistry of Precious Metals. ... Among the binary compounds of ruthenium, these high oxidation states are known only in the oxides and fluorides. Ruthenium ... Like iron, ruthenium does not readily form oxoanions and prefers to achieve high coordination numbers with hydroxide ions ... The transition metal ruthenium forms several compounds, with oxidation states of ruthenium ranging from 0 to +8, and −2. The ...
Chemistry portal Iron compounds Nickel compounds Rhodium compounds Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of ... Cobalt compounds are chemical compounds formed by cobalt with other elements. Many halides of cobalt(II) are known.e cobalt(II ... This compound can be obtained by reacting (N5)6(H3O)3(NH4)4Cl or Na(H2O)(N5)]·2H2O and [Co(H2O)6](NO3)2 at room temperature. ... The former three compounds are of interest as catalysts for water electrolysis. Cobalt(II) azide (Co(N3)2) is another binary ...
Iron compounds Ruthenium compounds Rhenium compounds Iridium compounds Stoye, Emma (23 October 2014). "Iridium forms compound ... Osmium compounds are compounds containing the element osmium (Os). Osmium forms compounds with oxidation states ranging from −2 ... are used in the synthesis of osmium cluster compounds. Osmium tetroxide is the most notable compound of osmium, having many ... inhalation provides a very effective route for the compound to react with tissue. The compound is colourless, but most samples ...
"Iron Compounds". Ullmann's Encyclopedia of Industrial Chemistry. doi:10.1002/14356007.a14_591. ISBN 3527306730. (Articles with ... 2H2O Iron(III) chloride reacts with iron powder to form iron(II) chloride: 2 FeCl3 + Fe → 3 FeCl2 Shriver, D. F.; Atkins, P. W ... two gaseous compounds of sulfur comproportionate in the presence of a catalyst to give elemental sulfur: 2 H2S + SO2 → 3 S + 2 ... form a compound having an intermediate oxidation number. It is the opposite of disproportionation. The tendency of two species ...
... describes the inorganic compounds with the formula FeCl3(H2O)x. Also called ferric chloride, these compounds ... Aqueous solutions of iron(III) chloride are also produced industrially from a number of iron precursors, including iron oxides ... In terms of its being an oxidant, iron(III) chloride oxidizes iron powder to form iron(II) chloride via a comproportionation ... The affinity of iron(III) for phenols is exploited in the Trinder spot test. Aqueous iron(III) chloride serves as a one- ...
... forms compounds mainly in the oxidation states +2 (iron(II), "ferrous") and +3 (iron(III), "ferric"). Iron also occurs in ... Iron and steel industry Iron cycle Iron nanoparticle Iron-platinum nanoparticle Iron fertilization - proposed fertilization of ... Iron(II) compounds tend to be oxidized to iron(III) compounds in the air. Iron is one of the elements undoubtedly known to the ... making wrought iron from pig iron How iron was extracted in the 19th century Iron furnace in Columbus, Ohio, 1922 The pig iron ...
ISBN 978-0-470-81638-7. "compounds information". Iron. WebElements Periodic Table of the Elements. Bard, Allen J.; Parsons, ... "compounds information". Xenon. WebElements Periodic Table of the Elements. Cotton, F. Albert; Wilkinson, Geoffrey; Murillo, ... Pang, Suh Cem; Chin, Suk Fun; Anderson, Marc A. (July 2007). "Redox equilibria of iron oxides in aqueous-based magnetite ... "Nonexistent compounds. Two case histories". Accounts of Chemical Research. American Chemical Society (ACS). 6 (4): 113-117. doi ...
Industrially, ferrous sulfate is mainly used as a precursor to other iron compounds. It is a reducing agent, and as such is ... Iron(III) sulfate (ferric sulfate), the other common simple sulfate of iron. Copper(II) sulfate Ammonium iron(II) sulfate, also ... "Iron Compounds". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. Lowson, Richard T. (1982). "Aqueous ... Iron(II) sulfate (British English: iron(II) sulphate) or ferrous sulfate denotes a range of salts with the formula Fe SO4·xH2O ...
"Iron Compounds". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a14_591. Ebonizing ... Reaction of scrap iron with acetic acid affords a brown mixture of various iron(II) and iron(III) acetates that are used in ... Iron(II) acetate is a coordination complex with formula Fe(CH3COO)2. It is a white solid, although impure samples can be ... Iron powder reacts with acetic acid in electrolysis to give the ferrous acetate, with evolution of hydrogen gas: Fe + 2 CH3CO2H ...
... (or ferric sulfate), is a family of inorganic compounds with the formula Fe2(SO4)3(H2O)n. A variety of ... Iron(II) sulfate or ferrous sulfate Ammonium iron(II) sulfate Ammonium iron(III) sulfate NIOSH Pocket Guide to Chemical Hazards ... Iron compounds. Encyclopædia Britannica Article. Retrieved November, 2007 Mikasaite "Minerals Colored by Metal Ions". minerals. ... Mikasaite, a mixed iron-aluminium sulfate of chemical formula (Fe3+, Al3+)2(SO4)3 is the name of mineralogical form of iron(III ...
... , also known as iron carbonyl, is the compound with formula Fe(CO)5. Under standard conditions Fe(CO)5 is a ... This compound is a common precursor to diverse iron compounds, including many that are useful in small scale organic synthesis ... Most iron pentacarbonyl produced is decomposed on site to give pure carbonyl iron in analogy to carbonyl nickel. Some iron ... iron ball paint). It is famous as a chemical precursor for the synthesis of various iron-based nanoparticles. Iron ...
... is a useful precursor to other iron compounds because the nitrate is easily removed or decomposed. It is for ... Iron(III) nitrate, or ferric nitrate, is the name used for a series of inorganic compounds with the formula Fe(NO3)3.(H2O)n. ... The compound can be prepared by treating iron metal powder with nitric acid, as summarized by the following idealized equation ... "Iron Compounds". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. Hampton, K. G.; Harris, T. M.; Hauser, C ...
... or ferrous fluoride is an inorganic compound with the molecular formula FeF2. It forms a tetrahydrate FeF2· ... Like most fluoride compounds, the anhydrous and hydrated forms of iron(II) fluoride feature high spin metal center. Low ... "Vapor Pressure and Standard Enthalpies of Sublimation of Iron Difluoride, Iron Dichloride, and Iron Dibromide". Journal of ... National Pollutant Inventory - Fluoride and compounds fact sheet (Chemical articles with multiple compound IDs, Multiple ...
Glindemann, D.; Dietrich, A.; Staerk, H.; Kuschk, P. (2005). "The Two Odors of Iron when Touched or Pickled: (Skin) Carbonyl ... An aroma compound, also known as an odorant, aroma, fragrance or flavoring, is a chemical compound that has a smell or odor. ... Also, many of the aroma compounds play a significant role in the production of compounds used in the food service industry to ... Aroma compounds can naturally be found in various foods, such as fruits and their peels, wine, spices, floral scent, perfumes, ...
Compound heterozygotes are often observed only through subclinical symptoms such as excess iron. Disease is rarely observed in ... As a result, compound heterozygotes often become ill later in life, with less severe symptoms. Although compound heterozygosity ... excess absorption of iron. These variants all reflect a failure in a metabolic pathway associated with iron metabolism, however ... "Compound heterozygous hemochromatosis genotype predicts increased iron and erythrocyte indices in women". Clinical Chemistry. ...
... s (FeSC) are iron-containing chemical compounds whose superconducting properties were discovered in ... Japanese scientists made a discovery which increased a metal compound's superconductivity by immersing iron-based compounds in ... In 2008, led by recently discovered iron pnictide compounds (originally known as oxypnictides), they were in the first stages ... Stewart, G. R. (2011). "Superconductivity in iron compounds". Rev. Mod. Phys. 83 (4): 1589-1652. arXiv:1106.1618. Bibcode: ...
The most commonly known and studied bioinorganic iron compounds (biological iron molecules) are the heme proteins: examples are ... The ubiquity of Iron in life has led to the Iron-sulfur world hypothesis that Iron was a central component of the environment ... The ferritin storage iron pool is much larger than the labile iron pool, ranging in concentration from 0.7 mM to 3.6 mM. Iron ... Iron can also be oxidized by marine microbes under conditions that are high in iron and low in oxygen. Iron can enter marine ...
Iron(III) compounds). ... An orthoferrite is any of a class of chemical compounds with ... At the Néel temperature T N {\displaystyle T_{N}} the subsystem of iron ions orders into a slightly canted antiferromagnetic ... The rare-earth ion subsystem acquires magnetization m due to an interaction with the iron subsystem. The orthoferrites are ...
"Superconductivity in the iron-based F-doped layered quaternary compound Nd[O1 − x Fx]FeAs". EPL. 82 (5): 57002. arXiv:0803.4234 ... Binary compound Ternary compound Onium ion Quaternary phase IUPAC, Compendium of Chemical Terminology, 2nd ed. (the "Gold Book ... In chemistry, a quaternary compound is a compound consisting of exactly four chemical elements. In another use of the term in ... The best-known quaternary compounds are quaternary ammonium salts, having a nitrogen atom at the centre. For example, in the ...
Pearson, A. J. (1994). Iron Compounds in Organic Synthesis. San Diego, CA: Academic Press. pp. 22-35. ISBN 978-0-12-548270-7. ... Instead, it is formulated as (η5-C5H5)(OC)2Fe−Fe(CO)2(η5-C5H5) - the metals are held together by an iron-iron bond. At ... 9, p. 372 Johnson, M. D. (1982), "Mononuclear Iron Compounds with η1-Hydrocarbon Ligands", Comprehensive Organometallic ... iron](Fe-Fe) [{(η-C5H5)Fe(CO)2}2]; cd-di-µ-carbonyl-f-carbonyl-ae-di(η-cyclopentadienyl)-b-(triethyl-phosphite)di-iron(Fe-Fe ...
Electromagnetic components, Iron compounds, Powders). ... iron, and 4% molybdenum. It maintains the lowest core losses ...
Neilands, J. B. (1966). "Naturally occurring non-porphyrin iron compounds". Structure and Bonding. Vol. 1. pp. 59-108. doi: ... It is claimed to be the "first stable ferrous compound to be found in nature." There are three types of ferroverdin: A, B, and ... The significance of ferroverdin in the transfer pathway of iron remains unknown. Ferroverdin A, B, and C have also been found ... Siderophores are responsible for transporting iron (usually as Fe3+) from the medium into the cell to meet the metabolic needs ...
Astruc, Didier (1983-01-01). "Organo-iron complexes of aromatic compounds. Applications in synthesis". Tetrahedron. 39 (24): ... The synthesis of bis(arene) iron dications is an example of this type, where a mixture of iron dichloride, FeCl2, alkylbenzenes ... "Photoelectron study of electron-rich iron(I) cyclopentadienyl arene complexes and of the related iron(II) cyclopentadienyl ... These compounds exhibit a doubly degenerate bonding e2 level that is high in metal character, while the nonbonding a1 orbital ...
Iron complexes, Nitrosyl complexes, Sulfur compounds). ... "Iron-Sulfur Clusters as Biological Sensors: The Chemistry of ... In biochemistry, dinitrosyl iron complexes (DNIC's) are coordination complexes with the formula [Fe(NO)2(SR)2]−. Together with ... Jessica Fitzpatrick; Eunsuk Kim (2015). "Synthetic Modeling Chemistry of Iron-Sulfur Clusters in Nitric Oxide Signaling". Acc. ... Roussin esters (Fe2(NO)4(SR)2), they result from the degradation of iron-sulfur proteins by nitric oxide. Commonly the thiolate ...
Scale is often colored because of the presence of iron-containing compounds. The three main iron compounds are wustite (FeO), ... Iron compounds give the reddish-browns. In addition to being unsightly and hard to clean, limescale can seriously damage or ...
doi:10.1016/0009-2614(96)00850-0. Jos de Jongh, L. (1996). "Physical properties of metal cluster compounds. Model systems for ... Iron-nickel (Fe-Ni) clusters are metal clusters consisting of iron and nickel, i.e. Fe-Ni structures displaying polyhedral ... Individually, iron (Fe) and nickel (Ni) generally form metal clusters with π-acceptor ligands. Π acceptor ligands are ligands ... This is due to charge transfer from nickel's 4s orbital and iron atoms to nickel's 3d orbitals. Below is a table of the bond ...
Fehlhammer, W.P.; Stolzenberg, H. (1982). "Dinuclear Iron Compounds with Hydrocarbon Ligands". In Geoffrey Wilkinson; F. Gordon ... doi:10.1016/0022-328X(95)05936-J. Fagan, Paul J. (1995). "Dinuclear Iron Compounds with Hydrocarbon Ligands". Comprehensive ... These diiron complexes arise by the reaction of alkynes with iron carbonyls. Such reactions are known to generate many products ... Common examples are the iron carbonyl derivatives, which are typically air-stable, soluble in nonpolar solvents, and red-orange ...