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chemical softening of water

См. также в других словарях:

  • 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 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 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-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 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

  • Chemical resistance — The chemical resistance of a material or surface can be determined in compliance with ISO 2812 Paints and varnishes – Determination of resistance to liquids – Part 1: Immersion in liquids other than water (ISO 2812 1:2007[1]); German Version EN… …   Wikipedia

  • water softening — noun 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 …   Wiktionary

  • Magnetic water treatment — General Arrangement of MWT Apparatus Magnetic Water treatment[1] usually by the application of a changing Magnetic flux is a proposed method of water softening[2] …   Wikipedia

  • Hard water — is the type of water that has high mineral content (in contrast with soft water ). Hard water minerals primarily consist of calcium (Ca2+), and magnesium (Mg2+) metal cations, and sometimes other dissolved compounds such as bicarbonates and… …   Wikipedia

  • Outline of water — Faucet dripping water. Structure of the …   Wikipedia

  • Purified water — Bottle for Distilled water in the Real Farmacia in Madrid Purified water is water from any source that is physically processed to remove impurities. Distilled water and deionized (DI) water have been the most common forms of purified water, but… …   Wikipedia

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