- water softening
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The removal of calcium and magnesium ions from water, or their replacement with sodium, either by chemical reaction or by ion exchange.See Also: water softener
Wikipedia foundation.
Wikipedia foundation.
Water softening — A water softener reduces the dissolved calcium, magnesium, and to some degree manganese and ferrous iron ion concentration in hard water.These hardness ions cause three major kinds of undesired effects. Most visibly, metal ions react with soaps… … Wikipedia
water softening — vandens minkštinimas statusas T sritis chemija apibrėžtis Vandenyje ištirpusių Ca ir Mg druskų šalinimas. atitikmenys: angl. water softening rus. водоумягчение; умягчение … Chemijos terminų aiškinamasis žodynas
water softening — vandens minkštinimas statusas T sritis ekologija ir aplinkotyra apibrėžtis Vandenyje ištirpusio kalcio ir magnio druskų šalinimas. atitikmenys: angl. water softening vok. Wasserenthärtung, f; Wasserweichmachen, f rus. смягчение воды, n; умягчение … Ekologijos terminų aiškinamasis žodynas
Water purification — This article is about large scale, municipal water purification. For portable/emergency water purification, see portable water purification. For industrial water purification, see deionized water. For distilled water, see distilled water. Water… … Wikipedia
water softener — any of a group of substances that when added to water containing calcium and magnesium ions cause the ions to precipitate or change their usual properties: used in the purification of water for the laboratory, and for giving water more efficient… … Universalium
water softener — noun a device which reduces the calcium and magnesium concentration of hard water by passing it through an ion exchange resin See Also: water softening … Wiktionary
water softener — n. 1. a chemical compound added to hard water to soften it, as by precipitating out the minerals 2. a tank or other container in which water is filtered through any of various chemicals or ion exchange media for softening … English World dictionary
Water quality — A rosette sampler is used to collect samples in deep water, such as the Great Lakes or oceans, for water quality testing. Water quality is the physical, chemical and biological characteristics of water.[1] It is a measure of the condition of… … Wikipedia
water-supply system — Facilities for the collection, treatment, storage, and distribution of water. Ancient systems included wells, storage reservoirs, canals and aqueducts, and water distribution systems. Highly advanced systems appeared с 2500 BC and reached their… … Universalium
water — n. & v. n. 1 a colourless transparent odourless tasteless liquid compound of oxygen and hydrogen. Usage: Chem. formula: H2O 2 a liquid consisting chiefly of this and found in seas, lakes, and rivers, in rain, and in secretions of organisms. 3 an… … Useful english dictionary