Search results for "Potassium oxide" - New World Encyclopedia

soap. Today, potash (in the form of potassium oxide) is used mainly as a ... such as potassium chloride (KCl) or potassium oxide (K2O), to which the ...

crown ethers are oligomers of ethylene oxide, the repeating unit being ... 18-crown-6 has high affinity for the potassium cation, 15-crown-5 for ...

Potassium (chemical symbol K, atomic number 19) is a member of a group ... |potash fertilizer ||potassium oxide, ||K2O ...

The chemical compound nitric oxide is a gas with formula NO. It is ... Nitric oxide (NO) should not be confused with nitrous oxide (N2O) ...

contains traces of up to one percent of its oxide. Lepidolite contains 1.5 ... reacts violently in water. In common with potassium and cesium this reaction ...

oxygen, chlorine, lithium, sodium, potassium, aluminum, sodium hydroxide ... in a solution of sodium chloride, iron oxide is produced at the anode ...

is, they have a high content of magnesium oxide (more than 18 percent MgO ... Their silica content is less than 45 percent, and their potassium ...

Various chromium compounds, such as chromium(III) oxide and lead chromate ... acid, he was able to produce chromium oxide, with the chemical formula ...

the melt in silicon, aluminum, and potassium (the major constituents ... * Potassium oxide (K2O) — 4.11% * Sodium oxide (Na2O) — 3.48% ...

VI) reagent and acidified solution of potassium dichromate, which is reduced ... acid. Suitable oxidizing agents include potassium permanganate, nitric acid ...

#039;s crust, can be subdivided into potassium feldspars and plagioclase ... , halite (sodium chloride), sylvite (potassium chloride), and sal ammoniac ...

Capacitors made with tantalum and its oxide are widely used in portable ... such as: (a) electrolysis of molten potassium fluorotantalate; (b) reduction ...

superconductor (yttrium barium copper oxide, or YBCO). Two of its compounds ... in 1794. He isolated an impure form of its oxide, yttria (Y2O3), from one ...

occurs mainly in the form of a black-brown oxide (MnO2), which was used as ... component of certain dry cell batteries. Potassium permanganate is a potent ...

2(strongly basic oxide) 1.00 589.8 | 1145.4 | 4912.4 180 ... is used in construction materials; calcium oxide is used for treating water ...

baseball bats, and firearms. Scandium oxide is used to make high-intensity ... produced about two grams of a very pure scandium oxide (Sc2O3). ...

lamp filaments. Impure zirconia (zirconium oxide) is used for heat-resistant ... the Moon have a high content of zirconium oxide relative to that in terrestrial ...

it forms an unstable compound, bromine(IV) oxide (BrO2). When dissolved in ... *potassium bromide (KBr) *potassium bromate (KBrO3) *silver bromide (AgBr) ...

its pure form in nature. In addition, its oxide reacts with water and carbon ... porcelain, bricks, and cement. Barium oxide is used for coating cathodes ...

used for cleaning clogs and sink drains. Potassium hydroxide, also called ... * Potassium hydroxide (KOH) * Barium hydroxide (Ba(OH)2) ...

materials and gamma ray detectors. Thallium oxide has been used to manufacture ... exists mostly in association with potassium minerals in clays, soils ...

solvents than most carbonates such as potassium carbonate. It is therefore ... hydroxides such as sodium hydroxide and potassium hydroxide. It can corrode glass. ...

easily soluble elements such as sodium, potassium, calcium, magnesium, and ... * A very iron-rich nickel limonite or nickel oxide ore at the surface ...

it is converted to its yellowish oxide when exposed to air. Classified ... of melted strontium chloride mixed with potassium chloride. The reactions ...

agent used in liquid-fueled rockets, potassium nitrate is used in gunpowder ... compounds, saltpeter (sodium nitrate or potassium nitrate) was used in gunpowder ...

with the preferential formation of nitrogen oxide (NO). ... dioxide for concentrated acid and nitrogen oxide for dilute acid. ...

through the agency of lead and saltpeter (potassium nitrate). ... by distilling a mixture of saltpeter (potassium nitrate), copper vitriol ...

the elements lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium ... With potassium as an example: : 2{K}_{(s)} + 2{H_2O}_{(l)} \to 2{KOH}_{ ...

workers reduced the anhydrous chloride with potassium vapor. ... *Erbium oxide has a pink color and is sometimes used as a colorant ...

mineral perovskite followed by the magnesium/iron oxide ferropericlase I. Kantor, L. Dubrovinsky, and C. McCammon. 2007. [http://www.cosis.net/abstract ...

quot;), such as sodium hydroxide and potassium hydroxide * Dehydrating agents, such as phosphorus pentoxide or calcium oxide ...

self-healing, protective layer of aluminum oxide (Al2O3) on the surface. Tin ... * Magnox (magnesium oxide) * Zamak (zinc, magnesium, copper) ...

and ilmenite. Because of the presence of such oxide minerals, basalt can acquire strong magnetic signatures as it cools, and paleomagnetic studies ...

transported through cell membranes, and potassium ions are involved in the ... elements (including aluminum, sodium, potassium, and chlorine), and the ...

later performed electrolysis on lithium oxide in 1818. Robert Bunsen and ... of fused (molten) lithium chloride and potassium chloride. Chile is currently ...

was made from sand, plant ash, and lime (calcium oxide). ... more readily available material: potash (potassium carbonate), obtained from ...

orange (potassium dichromate), red (mercury sulfide), mauve (cobalt ... green (nickel oxide), colorless (magnesium sulfate), white, and ...

nutrients (nitrogen, phosphorus, and potassium), the secondary plant nutrients ... and potassium is reported as potash or potassium oxide (K2O), which is the ...

might then be heated to convert it into the oxide (CaO). It is vital that the ... A chunk of ore is treated with concentrated nitric acid and potassium ...

| [[Image:Ethylene oxide chemical structure.png|50px|Chemical structure ... | Ethylene oxide |It is the smallest cyclic ether and is mainly used ...

* Saponification: When an alkali (such as sodium hydroxide or potassium ... *Glycerol is the initiator to which propylene oxide/ethylene oxide is added ...

microscopic integrated circuits. Beryllium oxide is useful for applications ... Beryllium was discovered by Louis Vauquelin in 1798, as the oxide ...

solubility in these solvents than does potassium hydroxide. It is insoluble ... to create carbon dioxide and sodium oxide. This method is still occasionally ...

−2, −1(neutral oxide) 3.44 1313.9 | 3388.3 | 5300.5 ... niter (or saltpeter, the mineral form of potassium nitrate). ...

the intoxicating effects of nitrous oxide, commonly known as laughing ... batteries to the decomposition of potassium and sodium salts, and succeeded ...

these compounds decompose to iron(II) oxide and copper(II) oxide, respectively ... burning sulfur together with saltpeter (potassium nitrate, KNO3), in the ...

the electrolysis of a mixture of molten potassium fluoride and hydrofluoric ... *Potassium fluoride (KF) *Radon difluoride (RnF2) *Silver(I) fluoride (AgF) ...

which white pigment, consisting of titanium oxide, is used, are correction ... Justin Kroll. In the Kroll process, the oxide is first converted to chloride ...

the U.S. at state fairs. This system used potassium hydroxide as the electrolyte ... |Aqueous alkaline solution (e.g.potassium hydroxide) | |style="background: ...

this by heating boric acid with potassium metal, the insoluble portion of the reactants being the radical. They continued their research through ...

2, 3, 4(mildly basic oxide) 2.28 870 | 1791 135 177 128 ... oxidation of ammonia to yield nitric oxide—the raw material for fertilizers ...

of a mixture of charcoal, sulfur and potassium nitrate (saltpeter). Rocket ... the fuel is charcoal, the oxidizer is potassium nitrate, and sulfur serves ...

sodium salts produce a yellow flame, potassium salts give a violet color ... metals, such as sodium, magnesium, and potassium. Occasionally, a fifth ...

astringents for dressing wounds. Alum (potassium aluminum sulfate or a related ... mixing anhydrous aluminum chloride with potassium. The metal, however, had ...

2, 1(mildly basic oxide) 1.90 745.5 | 1957.9 | 3555 135 ... * the oxide: cuprite (Cu2O). Native copper also forms in uneconomic ...

±1, 3, 5, 7 (strongly acidic oxide) 3.16 1251.2 | 2298 | 3822 ... halite (sodium chloride), sylvite (potassium chloride), and carnallite ...

at low cost. An alloy of sodium and potassium (NaK) is a heat-transfer ... the periodic table, between lithium and potassium. In addition, it is at ...

cell consists of a lead anode and a lead oxide cathode immersed in sulfuric ... of a lead grid lattice into which a lead oxide paste was pressed, forming ...

and thus include magnesium, sulfate, calcium, potassium, and other ions. In addition, sea-spray aerosols may contains organic compounds, which influence ...

Potassium tetraborate {{Chembox/RelatedCpds|Boric acid Sodium perborate}} ... the melting point of the unwanted iron oxide (scale), allowing it to run ...

4(amphoteric oxide) 1.3 658.5 | 1440 | 2250 155 208 150 ... recrystallization of double ammonium or potassium fluorides by Jantzen and ...

The decay of uranium, thorium and potassium-40 in the Earth's ... The use of uranium, in its natural oxide form, dates back to at least ...

removed by passing it through beds of zinc oxide where it is converted to ... by a ring-opening reaction with ethylene oxide: the reaction is sometimes ...

* Black powder: Potassium nitrate, charcoal and sulfur or magnesium) and a strong oxidizer (e.g. potassium chlorate or perchlorate). ...

For example, superoxide and nitric oxide regulate many biological ... (triphenylmethyl), Fremy's salt (Potassium nitrosodisulfonate, (KSO3 ...

Ammonium nitrate is used in the preparation of nitrous oxide (N2O): ... and "boiled" to generate nitrous oxide, it has been claimed to be ...

directly to the isolation of sodium and potassium from their compounds and ... reaction. For example on reaction between Potassium permanganate and Sodium sulfite. ...

than chlorine, chlorine dioxide, and potassium permanganate. And through ... oxidized to sulfate (SO42−). However, potassium permanganate is reduced ...

Researchers have developed a method of placing graphene oxide paper ... Chen, et al. doped graphene with potassium in ultra high vacuum at ...

is the etching of silicon in KOH (potassium hydroxide), where certain ... by sacrificial etching of the underlaying oxide layer. Interdigital comb ...

fiber, folic acid, magnesium, and potassium, among other nutrients ... or chemically treated with propylene oxide (AMS 2006). The pollination ...

3(amphoteric oxide) 1.81 578.8 | 1979.3 | 2963 130 136 126 187 color1=#cccccc | color2=black no data 40.6 2740 1.5 60 7440-55-3 isotopesof=gallium ...

* metal sulfates, such as gypsum (calcium sulfate), alunite (potassium ... invented gunpowder, which is a mixture of potassium nitrate (KNO3), carbon ...

low levels of carbon dioxide, nitric oxide, sulfur, methane, and hot ... The major heat-producing isotopes in Earth are potassium-40, uranium ...

magma, which is high in silica, aluminum, potassium, sodium, and calcium, forming ... contain over 18 percent magnesium oxide, and are thought to have ...

amorphous silicon through the heating of potassium with silicon tetrafluoride ... germanium, and because its native oxide is easily grown in a furnace ...

emitters (including the carbon-14 and potassium-40 in nearly all food) ... to fuel nuclear power reactors (the mixed oxide or MOX approach). This would ...

the liquid can be shaken with calcium oxide, which reacts strongly with ... the water/ethanol azeotrope by dissolving potassium acetate in it and distilling ...

dioxide (CO2), or a mixture of water and potassium (KH2O). ... Depending on the type of air bag system, potassium chloride may also be present. ...

oxidizing agents, such as chromic acid or potassium permanganate, oxidize ethanol ... it using lime or salt. When lime (calcium oxide) is mixed with the water ...

acids like phosphoric acid or bases like potassium hydroxide, sodium hydroxide ... be very important for aquarists, as ferric oxide can promote algal growths ...

The reaction works best in isopropanol if potassium hydroxide (caustic potash) is added. Solvated electrons are thought to be responsible for ...

) (for example, neutron activation analysis and potassium-argon dating. ... embedded in which was natural Uranium-oxide "pseudospheres," ...

playing on the ore and reducing the oxide to metal. This has the advantage ... , 65-90. and also to potash (potassium carbonate) derived from ...

invent an engine that ran on a reaction of potassium chlorate, zinc, and manganese peroxide. The beauty of this method was that the reaction which drove ...