potassium

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po·tas·si·um

 (pə-tăs′ē-əm)
n. Symbol K
A soft, silver-white, extremely reactive element that is an alkali metal, is essential to plant and animal cell functions, and occurs in nature only in compounds. It can be obtained by electrolysis of its hydroxide and is found in, or converted to, a wide variety of salts used especially in fertilizers and soaps. Atomic number 19; atomic weight 39.098; melting point 63.5°C; boiling point 759°C; specific gravity 0.86; valence 1. See Periodic Table.

[From earlier potass, potash (from which it was first obtained), from French potasse, from Dutch potas : pot, pot (from Middle Dutch; akin to Old English pott) + as, ash (from Middle Dutch asche; see as- in Indo-European roots).]

po·tas′sic adj.

potassium

(pəˈtæsɪəm)
n
(Elements & Compounds) a light silvery element of the alkali metal group that is highly reactive and rapidly oxidizes in air; occurs principally in carnallite and sylvite. It is used when alloyed with sodium as a cooling medium in nuclear reactors and its compounds are widely used, esp in fertilizers. Symbol: K; atomic no: 19; atomic wt: 39.0983; valency: 1; relative density: 0.862; melting pt: 63.71°C; boiling pt: 759°C
[C19: New Latin potassa potash]
poˈtassic adj

po•tas•si•um

(pəˈtæs i əm)

n.
a silvery white metallic element that oxidizes rapidly in the air and whose compounds are used as fertilizer and in special hard glasses. Symbol: K; at. wt.: 39.102; at. no.: 19; sp. gr.: 0.86 at 20°C.
[1800–10; < New Latin potass(a) (< French potasse < Dutch potasch potash) + -ium -ium2]

po·tas·si·um

(pə-tăs′ē-əm)
Symbol K A soft, highly reactive, silvery-white metallic element that is an alkali metal and occurs in nature only in compounds. It is essential for the growth of plants and is used especially in fertilizers and soaps. Atomic number 19. See Periodic Table.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.potassium - a light soft silver-white metallic element of the alkali metal grouppotassium - a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite
metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
carnallite - a white or reddish mineral consisting of hydrous chlorides of potassium and magnesium; used as a fertilizer and as a source of potassium and magnesium
kainite - a white mineral consisting of magnesium sulphate and potassium chloride; a source of potassium salts; used as a fertilizer
langbeinite - a mineral consisting of potassium magnesium double sulphate; used as a fertilizer
brine, saltwater, seawater - water containing salts; "the water in the ocean is all saltwater"
sylvine, sylvite - a mineral consisting of native potassium chloride; an important ore of potassium that is found in sedimentary beds
Translations
kalium
بوتاسيوم
калий
potassi
draslík
kalium
kalio
kaalium
پتاسيم
kalium
אשלגן
kalij
kálium
kaliumpotassium
kalium
kalínkalíum
カリウム
칼륨
kalium
kalis
kālijs
kaliupotasiu
draslík
kalij
калијум
kalium
โพแทสเซียม
калій
kali

potassium

[pəˈtæsɪəm]
A. Npotasio m
B. CPD potassium cyanide Ncianuro m de potasio
potassium nitrate Nnitrato m de potasio
potassium sulphate Nsulfato m potásico

potassium

[pəˈtæsiəm]
npotassium m
modif [chloride, fluoride, carbonate] → de potassium; [supplement] → de potassium; [deficiency] → en potassium
potassium deficiency → carence en potassium

potassium

nKalium nt

potassium

[pəˈtæsɪəm] npotassio

potassium

(pəˈtӕsiəm) noun
a silvery-white element.

po·tas·si·um

n. potasio, mineral que se encuentra en el cuerpo combinado con otros, esencial en la conducción de impulsos nerviosos y actividad muscular.

potassium

n potasio; — chloride cloruro potásico or de potasio; — hydroxide hidróxido potásico or de potasio
References in periodicals archive ?
Iodized salt contains > 15 PPM of iodine (added as potassium iodate, KIO3) per 100g.
Owners of the salt industry have to apply for a license to obtain potassium iodate and they complain that the [government] price of $150 per kilo is too much, although we know there are other ways for them to obtain the iodine," he told The Daily Star, alluding to the presence of an informal market.
1/1199), which was published in the official gazette on July 21st 2016, mandates that all salt factories in Lebanon abide by the law in terms of adding potassium iodate to table and cooking salt at a rate of 60-80 milligrams of potassium iodate per kilogram of salt.
Since the reactor is no longer operating, potassium iodate tablets are no longer a necessary countermeasure in the vicinity of the site.
1--By the addition of an acid and of potassium iodide (KI), potassium iodate (KIO 3) contained in the salt is reduced to molecular iodine (KI).
A report by Centre for Science and Environment ( CSE) said nearly 84 per cent of 38 commonly available brands of pre- packaged breads, including pav and buns, tested positive for potassium bromate and potassium iodate, banned in many countries, listed as hazardous for public health.
The report said that Universal Salt Iodization (USI) program has been expanded up to 110 districts throughout the country with necessary Quality Management System (QMS) and sustainability of potassium iodate through private sector.
In 1924, trace amounts of iodine in form of sodium iodide, potassium iodide or potassium iodate were first added, creating iodized salt to reduce the incidence of simple goiter.
The international requirement is 15mg-40mg potassium iodate per kilogramme of salt.
What they could do is use all measures whatsoever to safeguard the public and evacuate them, or issue potassium iodate tablets which combat the effects of radiation sickness.
Lack of genotoxicity of potassium iodate in the alkaline comet assay and in the cytokinesis-block micronucleus test.
Most countries that iodize use potassium iodate, which the WHO recommends as a more stable fortificant for salt.

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