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In chemistry, orthosilicate is the anion SiO 4− 4, or any of its salts and esters. It is one of the silicate anions. It is occasionally called the silicon tetroxide anion or group. [1] Orthosilicate salts, like sodium orthosilicate, are stable, and occur widely in nature as silicate minerals, being the defining feature of the nesosilicates. [2]
Structure of the orthosilicate anion SiO 4− 4. A silicate is any member of a family of polyatomic anions consisting of silicon and oxygen, usually with the general formula [SiO (4-2x)− 4−x] n, where 0 ≤ x < 2. The family includes orthosilicate SiO 4− 4 (x = 0), metasilicate SiO 2− 3 (x = 1), and pyrosilicate Si 2 O 6− 7 (x = 0.5 ...
Nesosilicates (from Greek νῆσος nēsos 'island'), or orthosilicates, have the orthosilicate ion, present as isolated (insular) [SiO 4] 4− tetrahedrums connected only by interstitial cations. The Nickel–Strunz classification is 09.A –examples include: Phenakite group Phenakite – Be 2 SiO 4; Willemite – Zn 2 SiO 4; Olivine group ...
The mineral olivine (/ ˈ ɒ l. ɪ ˌ v iː n /) is a magnesium iron silicate with the chemical formula (Mg,Fe) 2 Si O 4.It is a type of nesosilicate or orthosilicate.The primary component of the Earth's upper mantle, [9] it is a common mineral in Earth's subsurface, but weathers quickly on the surface.
Sodium silicate is a generic name for chemical compounds with the formula Na 2x Si y O 2y+x or (Na 2 O) x · (SiO 2) y, such as sodium metasilicate (Na 2 SiO 3), sodium orthosilicate (Na 4 SiO
1. Maple syrup. Type: Natural sweetener. Potential benefits: Maple syrup is high in antioxidants and rich in minerals, including calcium, potassium, iron, zinc, and manganese.However, like other ...
In California, Hill-Maini's team used a lab sample of N. intermedia to carry out its research. That limited availability is one reason Luzmore and von Hagn went all-in on a microbiology lab, while ...
One example is the web made by the black lace-weaver which is found in many parts of the U.S. These webs are designed to trap crawling insects and are made from wooly rather than sticky silk. The ...