From such background, we tried to prepare two kinds of magnesium transition-metal oxides with Mg-rich compositions. (nature.com)
The kinetics of hydrogen reaction (absorption and desorption) on the MgH 2 have been reported to be improved significantly by addition of transition metal oxides as catalysts. (elsevierpure.com)
Hydroxide5
Magnesium hydroxide forms in the presence of water (MgO + H2O → Mg(OH)2), but it can be reversed by heating it to remove moisture. (wikipedia.org)
The potential applications of magnesium oxide nanoparticles can be examplified as high-temperature dehydrating agent used for the production of silicon steel sheet, high-grade ceramic material, electronic industry material, adhesive and additive in the chemical raw material. (silicene.org)
Nanoparticles were made by mixing using aqueous Allamanda cathartica L. latex (3%) and magnesium oxide (1mM) at 370C on shaker for 24 hours. (nanomedicine-rj.com)
Inorganic based metal and metal oxide nanoparticles are in practice with silver, titanium, zinc, copper etc [1] (Jeevanandam et al. (nanomedicine-rj.com)
2015). Metal oxides, in spite of having many modes of nanoparticle synthesis, are widely accepted in "green synthesis", which means, synthesizing nanoparticles with biological sources from microscopic algae to macroscopic plants. (nanomedicine-rj.com)
Inorganic1
Magnesium Oxide is an inorganic compound that has the chemical formula MgO. (pediaa.com)
Zinc1
They also exhibit a higher adhesiveness to dentin than conventional zinc oxide/eugenol-based cements 14 and sealing ability similar to epoxy resin-based cements 28 . (bvsalud.org)
Divalent2
X-ray absorption near edge structures indicate that Fe and Ni are trivalent and divalent, respectively, in the Mg-rich oxides. (nature.com)
Magnesium often forms ionic compounds by forming the magnesium divalent cation. (pediaa.com)
Carbonate1
Although some decomposition of the carbonate to oxide occurs at temperatures below 700 °C, the resulting materials appear to reabsorb carbon dioxide from the air. (wikipedia.org)
Hygroscopic1
Magnesium oxide (MgO), or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium (see also oxide). (wikipedia.org)
Historically2
Magnesium oxide was historically known as magnesia alba (literally, the white mineral from Magnesia), to differentiate it from magnesia negra, a black mineral containing what is now known as manganese. (wikipedia.org)
Historically, magnesium oxide was used in cosmetics and skin care products almost solely as an additive, but the popularity of microdermabrasion has led some skin care companies to use the substance as an active ingredient. (meixi-mgo.com)
Reactivity2
Mg2+ + Ca(OH)2 → Mg(OH)2 + Ca2+ Calcining at different temperatures produces magnesium oxide of different reactivity. (wikipedia.org)
In recent years, numerous reports on the synthesis of nanocrystalline metal oxides with large surface areas and high reactivity have been presented. (silicene.org)
Ionic3
Magnesium oxide is one such ionic compound. (pediaa.com)
Magnesium oxide is an ionic compound composed of magnesium ions and oxide ions in a lattice. (pediaa.com)
Introduction: MTA is composed of various metal oxides, calcium oxide and bismuth. (bvsalud.org)
Compounds1
These compounds involve the bio-reduction of metals and their oxides at the time of eco-friendly nanoparticle formation. (nanomedicine-rj.com)
Compound2
While "magnesium oxide" normally refers to MgO, the compound magnesium peroxide MgO2 is also known. (wikipedia.org)
Magnesium oxide is odorless and has a boiling point of 3600 o C. The melting point of this compound is about 2800 o C. A saturated solution of magnesium oxide has a pH value of 10.3. (pediaa.com)
Aluminum1
We report on the influence of oxygen partial pressure for the development of surface oxides covering the industrial aluminum alloy standard 6063 at temperatures ranging from room temperature to 500° C. Using an array of synchrotron-based techniques, we followed the change in oxide thickness, chemical composition, and the lateral distribution of alloying elements. (lu.se)
Metals1
Magnesium and other elements in the same group are considered as alkaline earth metals. (pediaa.com)
Cosmetics4
Another common use for magnesium oxide is as an opacifying agent in facial cosmetics like foundations and concealers. (meixi-mgo.com)
Because magnesium oxide cosmetics is comprised of tiny crystals, it is sometimes added to facial scrubs and moisturizers in an attempt to mimic the gemstone crystals used in microdermabrasion. (meixi-mgo.com)
The U.S. Food and Drug Administration has listed magnesium oxide cosmetics as "Generally Regarded as Safe" on its inventory of ingredients used by the beauty industry. (meixi-mgo.com)
2016). Magnesium oxide (MgO) is widely used metal oxide in non-medical fields (cosmetics, electrical insulation, food packaging industry, desiccation units) [2] (Heydary et al. (nanomedicine-rj.com)
Characteristics2
As a construction material, magnesium oxide wallboards have several attractive characteristics: fire resistance, termite resistance, moisture resistance, mold and mildew resistance, and strength. (wikipedia.org)
This is because the oxides they form have basic characteristics. (pediaa.com)
Seawater1
The latter is obtained by the treatment of magnesium chloride MgCl 2 solutions, typically seawater, with limewater or milk of lime. (wikipedia.org)
Temperatures1
The impact of the oxygen chemical potential is most visible at high temperatures where the oxide composition changes from mostly Al based to mostly Mg based. (lu.se)
Metal3
Magnesium oxide is used extensively in the soil and groundwater remediation, wastewater treatment, drinking water treatment, air emissions treatment, and waste treatment industries for its acid buffering capacity and related effectiveness in stabilizing dissolved heavy metal species. (wikipedia.org)
Magnesium is an alkaline earth metal that is in the group 2 of the periodic table of elements. (pediaa.com)
Magnesium has wide applications as a metal, especially in aircraft designing, and automotive designing. (pediaa.com)
White3
Magnesium oxide is a fine white powder with a dull luster. (meixi-mgo.com)
Currently, endodontic sealers for intracanal filling containing MTA have been developed, for example, Endo CPM Sealer (EGEO, Buenos Aires, Argentina), ProRoot Endo Sealer (Dentsply Maillefer, Ballaigues, Switzerland), and the experimental sealer MTAS (an association between 80% of white Portland cement and 20% of bismuth oxide) with and addition of water soluble polymers 5 . (bvsalud.org)
In such products, magnesium oxide absorbs condensation and helps to keep the formulas more potent, making them apply more evenly and give more appealing results. (meixi-mgo.com)
Addition1
The catalytic effect of addition of more than one oxide, however, has not been reported yet. (elsevierpure.com)
Materials1
In this work, we focus on Mg-Fe-O and Mg-Ni-O with Mg-rich compositions as positive-electrode materials for magnesium rechargeable batteries, and prepare them by a thermal decomposition of precipitates obtained by a solution method. (nature.com)
Solid1
At room temperature and pressure conditions, Magnesium is in a solid phase. (pediaa.com)
Effect2
Patah, A , Takasaki, A & Szmyd, JS 2007, Synergetic effect of oxides on hydrogen reaction kinetics of magnesium hydride . (elsevierpure.com)
Szmyd, Janusz S. / Synergetic effect of oxides on hydrogen reaction kinetics of magnesium hydride . (elsevierpure.com)
Improve1
Among the oxides reported previously, Cr 2 O 3 seems to improve hydrogen absorption kinetics and ND 2 O 5 for desorption kinetics. (elsevierpure.com)