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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
Chemical compound
Sodium hydrogen selenite
Sodium hydrogen selenite is an inorganic chemical consisting of a ratio of one hydrogen, one sodium, three oxygen, and one selenium atom.
It is the sodium salt of the conjugate base of selenous acid. This compound finds therapeutic application for providing the essential trace element selenium. Its preparation involves reacting sodium hydroxide with selenium dioxide.[2]
Sodiumhydrogenselenite is an inorganic chemical consisting of a ratio of one hydrogen, one sodium, three oxygen, and one selenium atom. It is the sodium...
sodiumselenite must be added separately to the medium. It has a pH of approximately 7.1. Selenite broth gives pale or colorless colonies. Selenite broth...
selenous acid is neutralized to form sodiumselenite. The sodiumselenite is oxidized in a basic medium hydrogen peroxide to form a selenate, which is...
formula TeO2 is called tellurite. Tellurite dianion is pyramidal, like selenite and sulfite. The anion has C3v symmetry. Tellurites can be reduced to elemental...
The tellurite anion is a weak base. Sodium tellurite would be similar to sodiumselenite and sodium sulfite. Sodium tellurite is both a weak oxidizing...
with base to form selenite salts containing the SeO2− 3 anion. For example, reaction with sodium hydroxide produces sodiumselenite: SeO2 + 2 NaOH → Na2SeO3...
Salts of selenous acid are called selenites. These include silver selenite (Ag2SeO3) and sodiumselenite (Na2SeO3). Hydrogen sulfide reacts with aqueous selenous...
reduction to manganous ion (Mn2+ ) Selenate (SeO2− 4) reduction to selenite (SeO2− 3) and selenite reduction to inorganic selenium (Se0) Arsenate (AsO3− 4) reduction...
or sidewalk chalk. Gypsum also crystallizes as translucent crystals of selenite. It forms as an evaporite mineral and as a hydration product of anhydrite...
sodium in liquid ammonia at −40 °C. Alternatively, sodium selenide can be prepared by the reaction of gaseous hydrogen selenide with metallic sodium at...
prescriptions. It is available as its acid or in two salts, as either diclofenac sodium or potassium. It is also widely used for livestock; such use was responsible...
Specifically, it is a compound that contains hydrogen, oxygen, and at least one other element, with at least one hydrogen atom bonded to oxygen that can dissociate...
5-chloro-2,4-pentadienenitrile derivatives react with sodium hydroselenide, or sodiumselenite, and are then treated with perchloric acid, a 2-amino-selenopyrilium...
Salts of selenous acid are called selenites. These include silver selenite (Ag2SeO3) and sodiumselenite (Na2SeO3). Hydrogen sulfide reacts with aqueous selenous...
most structures seen on the Moon or Mars were immediately attributed to Selenites or Martians, and later ones (such as more powerful telescopes) revealed...
phenylalanine-independent pathway. Commercial vendors prepare sodium salicylate by treating sodium phenolate (the sodium salt of phenol) with carbon dioxide at high pressure...
should be considered during the selection of the raw materials, e.g., sodiumselenite may be preferred over easily evaporating selenium dioxide (SeO2). Also...
compound can be seen as pyramidal molecules that are interconnected with hydrogen bonds. In solution it is a diprotic acid: H2SeO3 ⇌ H+ + HSeO−3 (pKa =...
(S2O2−3). Selenium ions usually come in the form of selenides (Se2−), selenites (SeO2−3) and selenates (SeO2−4). Tellurium ions often come in the form...
years. In 1853, chemist Charles Frédéric Gerhardt treated the medicine sodium salicylate with acetyl chloride to produce acetylsalicylic acid for the...
selenates and selenites are very toxic, having an oxidant mode of action similar to that of arsenic trioxide. The chronic toxic dose of selenite for humans...
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