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)...

experimental sodium-ion batteries to increase energy density. One side provides interaction sites while the other provides inter-layer separation. Energy...

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...

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

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...

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...

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

Sodium nitrate is the chemical compound with the formula NaNO3. This alkali metal nitrate salt is also known as Chile saltpeter (large deposits of which...

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...

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

Sodium percarbonate or sodium carbonate peroxide is an inorganic compound with the formula 2 Na2CO3 · 3 H2O2. It is an adduct of sodium carbonate ("soda...

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...

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

Sodium bicarbonate (IUPAC name: sodium hydrogencarbonate), commonly known as baking soda or bicarbonate of soda (or simply "bicarb" especially in the UK)...

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...

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...

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...

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...

mercury layer acts as the cathode, here sodium ions in the brine are reduced and form an amalgam with the mercury. Once in the amalgam, sodium atoms are...

and sodium cyanide. Copper 'strikes' (thin high quality layers) are traditionally formed using cyanide electroplating, these thin interstitial layers allow...

Sodium dodecyl sulfate (SDS) or sodium lauryl sulfate (SLS), sometimes written sodium laurilsulfate, is an organic compound with the formula CH3(CH2)11OSO3Na...

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...

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

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

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

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

rings and the layers are held together by sodium ions and water molecules that hydrogen bond to O atoms in the AlO4 tetrahedra. Sodium aluminate is manufactured...

eventually observed at three times the concentration of HD 209458 b's sodium layer. The potassium was also detected in 2020, although in significantly smaller...

adjacent ones. The layer spacing is 224 pm. The sodium atoms are located in layers halfway between the anion layers. Each sodium ion is surrounded by...

and forms a viscous gum when hydrated. When the alginic acid binds with sodium and calcium ions, the resulting salts are known as alginates. Its colour...