QUE SIGNIFIE SODIUM PEROXIDE EN ANGLAIS
Peroxyde de sodium
Le peroxyde de sodium est le composé inorganique de formule Na2O2. Ce solide jaunâtre est le produit du sodium allumé dans l'oxygène. C'est une base solide. Il existe dans plusieurs hydrates et peroxyhydrates dont Na2O2 · 2H2O2 · 4H2O, Na2O2 · 2H2O, Na2O2 · 2H2O2 et Na2O2 · 8H2O.
définition de sodium peroxide dans le dictionnaire anglais
La définition du peroxyde de sodium dans le dictionnaire est une poudre soluble inodore blanc jaunâtre formée lorsque le sodium réagit avec un excès d'oxygène: utilisé comme agent oxydant dans les préparations chimiques, agent de blanchiment, antiseptique et pour éliminer le dioxyde de carbone de l'air. sous-marins, etc. Formule: Na2O2.
MOTS EN ANGLAIS EN RAPPORT AVEC «SODIUM PEROXIDE»
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10 LIVRES EN ANGLAIS EN RAPPORT AVEC «SODIUM PEROXIDE»
Découvrez l'usage de
sodium peroxide dans la sélection bibliographique suivante. Des livres en rapport avec
sodium peroxide et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
1
A Manual for the Chemical Analysis of Metals
An ammonia separation after a sodium peroxide fusion produces a great deal of
salts along with the usual precipitate. Despite these problems, the sodium
peroxide fusion is an invaluable technique. It finds use for "easy" materials like ...
2
Analytical Chemistry of Minerals
After cooling, the melt is dissolved in complexing solvents, such as oxalic, tartaric
and hydrofluoric acids. Fusion with sodium peroxide. Sodium peroxide is an
effective oxidising flux the fusing temperature of which is 495°C. It is chiefly used
in ...
Anatoliĭ Ivanovich Samchuk, Anatoliĭ Terentʹevich Pilipenko,
1987
Sodium peroxide. Production. Sodium peroxide is produced industrially by
burning sodium in air: 2; A// = - 504.9 kJmol '. To prevent the development of local
hot spots, where the peroxide would decompose, the sodium is held at 300-700
C in ...
Egon Wiberg, Nils Wiberg,
2001
4
Concise Encyclopedia Chemistry
S. is made by dissolving stoichiometric amounts of boric acid and sodium
peroxide in water: 4 H3BO3 + Na2O2 + 4 H2O -> Na2B4O7-H2O2-9H2O. It is
used in the same way as 1). Sodium percarbonate: sodium carbonate containing
...
5
Structure, Bonding and Main Group Chemistry
Sodium burns in oxygen with a yellow flame to give a mixture of sodium oxide
Na2O, and sodium peroxide, Na,O,, the latter predominating in excess oxygen:
2Na(s) 02(g) Na202(s) Sodium peroxide contains the peroxide ion, O,2-, in which
...
Rod Beavon, Alan Jarvis,
2003
This means that for every molecule of sodium peroxide, one must put in one
molecule of pure sulphuric acid, and that for each molecule of sodium peroxide
or of pure sulphuric acid, one will obtain one molecule of hydrogen peroxide.
Also ...
7
Target 2011: Chemistry for Class XI
Chemical properties of sodium are: (i) When heated in air, sodium burns to form
sodium peroxide. 2Na(s) + 02(g) > Na202 (ii) When added to water, sodium
reacts vigorously liberating hydrogen gas and form sodium hydroxide. 2Na(s) + ...
Prem Dhawan, Vandana Dhawan
8
Chemistry: The Molecular Science
Although sodium peroxide is stable relative to the free elements, this compound
is a powerful oxidizer. It is used industrially to bleach fabrics and paper pulp, but
it must be handled with extreme caution because its redox reactions with other ...
John Olmsted, Gregory M. Williams,
1997
9
The Facts on File Dictionary of Inorganic Chemistry
sodium peroxide (NaHSO4.H2O), which dehydrates on warming. If heated
strongly the pyrosulfate (Na2S2O7) is formed, which decomposes to give the
sulfate and sulfur(VI) oxide. Sodium hydrogensulfate is used as a cheap source
of sulfuric ...
10
Hazmat Chemistry Study Guide (Second Edition)
However, when we get to sodium peroxide (Na2O2), the formula doesn't seem to
make sense. “Peroxide” signals two atoms of oxygen. So if a single ion of oxygen
has a charge of 2- and the sodium ion has a net charge of +, shouldn't the ...
9 ACTUALITÉS CONTENANT LE TERME «SODIUM PEROXIDE»
Découvrez de quoi on parle dans les médias nationaux et internationaux et comment le terme
sodium peroxide est employé dans le contexte des actualités suivantes.
Chemists discover key reaction mechanism behind the highly touted …
Understanding how sodium-oxygen batteries work has implications for ... MIT has separately shown that NaO2 is energetically preferred over sodium peroxide, ... «Chemie.de, mai 15»
Erin Brockovich lends support to water quality fight in Gardena
“When I apply a sodium hydroxide or sodium peroxide color, I need to know what the reaction is with this chloramine.” she said. “I can't afford lawsuits when my ... «The Daily Breeze, avril 15»
Research and Markets: Sodium Peroxide and Potassium Peroxide …
Sodium Peroxide and Potassium Peroxide market is analyzed by different parameters including domestic production and consumption. Future market ... «Business Wire, avril 15»
Determining Platinum, Palladium and Rhodium in Automotive …
A sodium peroxide fusion method developed by Claisse enables complete dissolution of samples of automotive catalytic converters substrates. In tandem with a ... «Azom.com, janv 15»
Using Peroxide Fusions for the ICP-OES Analysis of Chromite Ores …
The sodium peroxide fusion method can be carried out both manually or with automatic systems. Here, the automated systems provide a better option as they ... «Azom.com, janv 15»
Sodium-air Batteries could replace Lithium-ion in Electric Vehicles
The understanding of sodium-air battery systems and their chemical composition ... Products such as sodium peroxide and sodium superoxide are produced. «Tech Fragments, nov 14»
Castner's electrode
In a phenomenally competitive environment, Castner devised methods to convert his plentiful supply of sodium to sodium peroxide bleach and sodium cyanide ... «Chemistry World, mars 13»
Uses of Sodium: The Salt in our Lives
Its reaction with water produces caustic sodium hydroxide (lye) and a highly flammable hydrogen gas. When burned in air, sodium forms sodium peroxide. «Decoded Science, mai 11»
Peer review by live blogging
... and transition-metal-free: oxidation of secondary alcohols by sodium hydride, by ... or traces of sodium peroxide or hydroxide or some other trace contaminant. «Chemistry World, juil 09»