Chemijos terminų aiškinamasis žodynas – 2-asis patais. ir papild. leid. – Vilnius: Mokslo ir enciklopedijų leidybos institutas. Kazys Daukšas, Jurgis Barkauskas, Vitas Daukšas. 2003.
alkali — (Ar). Soda ash, alkali … Dictionary of word roots and combining forms
Alkali Silica Reaction — (ASR) is a reaction between reactive silica (in the concrete aggregates) and an alkali (usually present in the cement), which results in the formation of a gel. This gel increases in volume with water and exerts expansive pressure on the concrete … Wikipedia
Alkali — Al ka*li (?; 277), n.; pl. {Alkalis} or {Alkalies}. [F. alcali, ultimately fr. Ar. alqal[=i] ashes of the plant saltwort, fr. qalay to roast in a pan, fry.] 1. Soda ash; caustic soda, caustic potash, etc. [1913 Webster] 2. (Chem.) One of a class… … The Collaborative International Dictionary of English
alkali — (n.) late 14c., soda ash, from M.L. alkali, from Arabic al qaliy the ashes, burnt ashes (of saltwort, a plant growing in alkaline soils), from qala to roast in a pan. The modern chemistry sense is from 1813 … Etymology dictionary
alkali — /al keuh luy /, n., pl. alkalis, alkalies, adj. n. 1. Chem. a. any of various bases, the hydroxides of the alkali metals and of ammonium, that neutralize acids to form salts and turn red litmus paper blue. b. any of various other more or less… … Universalium
alkali metal — Chem. any of the group of univalent metals including potassium, sodium, lithium, rubidium, cesium, and francium, whose hydroxides are alkalis. [1880 85] * * * Any of the six chemical elements in the leftmost group of the periodic table (lithium,… … Universalium
Alkali manufacture — This is a historical article. For current information see Sodium hydroxide#Manufacture and Chloralkali process. Alkali manufacture is the process by which an alkali is made. Typical alkalis, produced commercially, include sodium hydroxide, sodium … Wikipedia
Ash — The non combustible residue of a combusted substance composed primarily of alkali and metal oxides. *** Impurities consisting of silica, iron, alumina, and other noncombustible matter that are contained in coal. Ash increases the weight of… … Energy terms
alkali waste — Soda So da, n. [It., soda, in OIt., ashes used in making glass, fr. L. solida, fem. of solidus solid; solida having probably been a name of glasswort. See {Solid}.] 1. (Chem.) (a) Sodium oxide or hydroxide. (b) Popularly, sodium carbonate or… … The Collaborative International Dictionary of English
alkali — 1. A strongly basic substance yielding hydroxide ions (OH− in solution); e.g., sodium hydroxide, potassium hydroxide. 2. SYN: base (3). 3. SYN: a. metal. [Ar., al, the, + qaliy, soda ash] caustic a … Medical dictionary
