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Smaltite is a variety of the mineral skutterudite consisting of cobalt iron Nickel arsenide: as 2. Smaltite kristallizuetsya in the cubic system with the same hemihedral symmetry as pyrite, crystals usually have the form of cubes or Cubo-octahedr ...



Taseqite is a rare mineral of the eudialyte group, with the formula 12 SR 3 CA 6 Fe 3 ZR 3 NbSiO 2 3 CL. 2. This formula is derived from the original and shows some silicon on a plot of M4, based on the nomenclature of the eudialyte group. Taseqi ...


Iron(II) minerals


Iron(II,III) minerals


Iron(III) minerals


Ballindalloch Railway Bridge

Railway bridge reservation is a former railway bridge crossing the river Spey on the reservation in Moray, Scotland. Built in 1863 as part of the Terminus of the railway, it was in use up until the line was closed in 1968. It is currently designa ...


Wrought iron bridges in the United States



Silanization cover the surface with organofunctional alkoxysilane molecules. Mineral components such as glass and metal oxide surfaces can all be silanized because they contain hydroxyl groups which attack and displace the alkoxy groups on the si ...


Synthetic magnesium silicate

Synthetic magnesium silicates are white, odorless, fine powder formed by the precipitation reaction of water soluble sodium silicate and water-soluble magnesium salts such as magnesium chloride, magnesium nitrate or magnesium sulfate. The composi ...


Ferrocenium hexafluorophosphate

Ferrocenium hexaflurophosphate is the ORGANOMETALLIC compound with the formula and hexaflurophosphate anion. The corresponding tetrafluoroborate is also a popular reagent with similar properties. The cation is often abbreviated FC or CP 2 FE. The ...


N-Fluoropyridinium triflate

N-Fluoropyridinium triflate is the organofluorine compound with the formula o 3 SCF 3, It is a white solid with a low solubility in polar organic solvents. The compound is used as the electrophilic fluorinating agent. It is a salt consisting of N ...





Acrylates salts, esters, and conjugate bases of acrylic acid and its derivatives. The acrylate ion is the anion CH 2 =CHCOO −. Often acrylate refers to esters of acrylic acid, the most common member of the methyl acrylate. Acrylates contain vinyl ...



Or butanoate butyrate is the traditional name for the conjugate base of butyric acid. The formula of the butyrate ion with 4 n 7 O − 2. The name is used as the name portion of the esters and salts of butyric acid



Formate is the anion derived from formic acid. Its formula is represented in various equivalent ways: HCOO − and chug − or NSO 2 −. It is the product of deproteinizirovanny formic acid. This is the simplest carboxylate anion. The formate is a sal ...





In chemistry, methanetetracarboxylate is a tetravalent anion with the formula C 5 hours 4− 8 or C 4. It has four carboxyl attached to a Central carbon atom, so it has the same carbon backbone as neopentane. It is an oxocarbon anion, that is, cons ...



Oxalate is dianion with the formula C 2 O 2− 4, also written 2− 2. Either name is often used for derivatives, such as salts of oxalic acid, for example sodium oxalate, na 2 s 2 O 4, or dimethyl oxalate 2 s 2 O 4). Oxalate also forms coordination ...
















Iron(II) selenate

Selenate iron is an inorganic compound with the formula FeSeO 4. He and several anhydrous forms of hydrate. Pentahydrate has a structure, SEO 4 h 2 o, is isomorphic to the corresponding iron sulfate.


Copper(II) selenite




Silicon–oxygen tetrahedron

Silicon–oxygen tetrahedron SIO 4 anionic group, or a silicon atom with four surrounding oxygen atoms arranged to define the corners of a tetrahedron. This is a fundamental component of most silicates in the earths crust. A variety of silicate min ...


Sodium orthosilicate

The sodium orthosilicate is the chemical compound 4 SIO 4. This is one of the sodium silicates, in particular, orthosilicate, formally unstable salts of orthosilicic acid H 4 SIO 4.


Group 4 silicates



In chemistry, hypomanganate, also called manganate or tetraoxidomanganate, is a trivalent anion, composed of manganese and oxygen with the formula INR 3 to 4. Hypomanganates usually bright blue. Potassium hypomanganate to 3, the operator 4 is the ...





In chemistry, refers to the paratungstate anion with the formula is a key intermediate in the purification of tungsten from the ore. The salt NH 4 10 W at 12: 42 4H 2 O is characterized by x-ray crystallography. In the unprotonated anion 12 - has ...



In the perrhenate ion is an anion with the formula REO − 4, or compounds containing this ion. In the perrhenate anion is tetrahedral, similar in size and form of the perchlorate and the valence of the permanganate isoelectronic. In the perrhenate ...



In chemistry a tungstate is a compound that contains an oxoanion of tungsten or is a mixed oxide containing tungsten. The simplest tungstate ion of WO-2− 4, "orthotungstate". Many other tungstates belong to a large group of polyatomic ions that a ...



In chemistry, a Vanadate is a compound containing an oxoanion of vanadium generally in its highest oxidation number 5. The simplest Vanadate ion in the tetrahedral, orthovanadate, in 3− 4 anion, which is present, for example, orthovanadate sodium ...





Columnidin is a orange-red pigment, belonging to the 3-deoxyanthocyanidins found in red-flowered Western-hemisphere gesneriad species, such as episcias, columneas, sarmientas, and sinningias. In columnidin named in honor of the gesneriad genus Co ...



Of delphinidin is an anthocyanidin, primary plant pigment, and an antioxidant. Delphinidin gives blue hues in genera viola and delphinium. It also gives the blue-red color of the grape that produces Cabernet Sauvignon, and can be found in cranber ...



3-Deoxyanthocyanidins and their glycosides are molecules with a backbone of anthocyanidins is no hydroxyl group in position 3 of the ring. This nomenclature is the reverse of the one normally used in flavonoids, which hydroxy-group is considered ...





Pelargonidin can be found in fruits such as ripe raspberry and strawberry as well as blueberries, blackberries, cranberries, and Saskatoon berries and cinnamon. It is also found in plums and pomegranates. Pelargonidin gives the radish red. It is ...


O-Methylated anthocyanidins



Dicyclopentadiene, abbreviated DCPD, is a chemical compound with formula c 10 h 12. At room temperature it is a transparent light yellow color liquid with a pungent odor. Its energy density 10.975 WH / L. dicyclopentadien is co-produced in large ...



Hibarimicinone is atropisomeric organic small molecules, derivatives of hibarimicins, isolated from the microbial strain of a culture of Microbispora pink from Hibari region of Japan. Analysis of the bacteria revealed a new class of molecules con ...


Natural phenol dimers



Monomer-is a molecule that can interact with other molecules of the monomer, forming a larger polymer chains or three-dimensional network during the curing process.


Polymerisation inhibitor

The polymerization inhibitors are chemicals added to monomers to prevent auto-polymerization. Unsaturated monomers such as acrylates, vinyl chloride, butadiene and styrene require inhibitors for the treatment and safe transport and storage. In pa ...


Adipoyl chloride

Adipoyl chloride is an organic compound with the formula CL) 2. It is a colorless liquid. It reacts with water to give adipic acid. It is prepared by treating adipic acid with thionyl chloride. Adipoyl chloride is reacted with hexamethylenediamin ...

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