The sodium layer is a layer of neutral atoms of sodium within Earth's mesosphere. This layer usually lies within an altitude range of 80–105 km (50–65 mi)...

employing sodium layered transition metal oxides (NaxTMO2), Prussian white (a Prussian blue analogue) or vanadium phosphate as cathode materials. Sodium-ion...

of a surface layer of sodium oxide or sodium superoxide. Though metallic sodium has some important uses, the major applications for sodium use compounds;...

requires an intermediate layer such as silicon nitride (SiN) to act as a diffusion barrier for sodium ions. The deposition of such a layer requires a low-pressure...

000 ft) deep sodium layer is located between 80–105 km (50–65 mi; 262,000–344,000 ft). Made of unbound, non-ionized atoms of sodium, the sodium layer radiates...

A sodium-vapor lamp is a gas-discharge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm. Two varieties...

Sodium nitrate is the chemical compound with the formula NaNO 3. This alkali metal nitrate salt is also known as Chile saltpeter (large deposits of which...

Sodium bicarbonate (IUPAC name: sodium hydrogencarbonate), commonly known as baking soda or bicarbonate of soda, is a chemical compound with the formula...

sodium and Rayleigh beacon guide stars. Sodium beacons are created by using a laser tuned to 589.2 nanometers to energize atoms in the sodium layer of...

Sodium sulfate (also known as sodium sulphate or sulfate of soda) is the inorganic compound with formula Na2SO4 as well as several related hydrates. All...

first discovery of the rotation of spiral galaxies. He discovered the sodium layer in 1929. He was responsible for hiring Clyde Tombaugh and supervised...

boundary layer between the electrolyte and the anode, and (2) Autoxidation of hypochlorite in the bulk electrolyte. Under electrolysis hydrogen and sodium hydroxide...

Sodium hydroxide, also known as lye and caustic soda, is an inorganic compound with the formula NaOH. It is a white solid ionic compound consisting of...

Sodium percarbonate, or sodium carbonate peroxide is a chemical substance with formula Na 2H 3CO 6. It is an adduct of sodium carbonate ("soda ash" or...

the top and bottom of each layer. The ethyl layers pack back-to-back resulting in a lamellar structure. The reaction of sodium and ethanol sometimes forms...

metal, made of layers of pure sodium and salt that can conduct electricity. The salt layers act as insulators while the sodium layers act as conductors...

doublet from sodium at 589.0 and 589.6 nm, and red lines from oxygen at 630.0 and 636.4 nm. The sodium emissions come from a thin sodium layer approximately...

key insight in 1982 that made adaptive optics possible: there is a layer of sodium in the mesosphere, at around 90 to 100 km of elevation, which could...

crystal structure of anhydrous sodium acetate has been described as alternating sodium-carboxylate and methyl group layers. Sodium acetate trihydrate's structure...

Sodium hyaluronate is the sodium salt of hyaluronic acid, a glycosaminoglycan found in various connective tissue of humans. Sodium hyaluronate is the sodium...

complete TOT layer has a weak negative electrical charge, and this is neutralized by calcium or sodium cations that bind adjacent layers together, with...

carboxylates. A layered structure is observed, with the hydrophobic ethyl groups projecting into the layered galleries. With hydrated sodium propionate, some...

calcareous layer at 0.5 to 1 metre depth. Alkali soils owe their unfavorable physico-chemical properties mainly to the dominating presence of sodium carbonate...

powerful sodium vapor lights. This light has a narrow color spectrum, that falls neatly into a chromatic notch between the various color sensitivity layers of...

hydrophilic and forms a viscous gum when hydrated. With metals such as sodium and calcium, its salts are known as alginates. Its colour ranges from white...

surface better suited for the adhesion of the subsequent layer.[unreliable source?] Sodium phosphates including monosodium phosphate, disodium phosphate...

acutely poisonous. Sodium azide is an ionic solid. Two crystalline forms are known, rhombohedral and hexagonal. Both adopt layered structures. The azide...

Sodium nitroprusside (SNP), sold under the brand name Nitropress among others, is a medication used to lower blood pressure. This may be done if the blood...

compounds. Like other alkali-cobalt oxides, sodium cobaltate has a layer structure. Layers of monovalent sodium cations (Na+ ) alternate with two-dimensional...

Sodium sesquicarbonate (systematic name: trisodium hydrogendicarbonate) Na3H(CO3)2 is a double salt of sodium bicarbonate and sodium carbonate (NaHCO3...