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total hardness of water

См. также в других словарях:

  • total hardness of water — suminis vandens kietis statusas T sritis Standartizacija ir metrologija apibrėžtis Vandens karbonatinio ir nekarbonatinio kiečių suma. atitikmenys: angl. total hardness of water vok. Gesamthärte, f rus. общая жесткость воды, f pranc. dureté de… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • total hardness — a measure of the total amount of magnesium and calcium salts dissolved in water including carbonates and non carbonates …   Dictionary of ichthyology

  • Water supply and sanitation in the European Union — still is under the responsibility of each member state. Nevertheless, the European Union established some policies which impact the National water strategies tremendously. However, WSS evolved in every Member State independently until the… …   Wikipedia

  • Water — This article is about general aspects of water. For a detailed discussion of its properties, see Properties of water. For other uses, see Water (disambiguation) …   Wikipedia

  • 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

  • temporary hardness — noun : the portion of the total hardness of water that is removable by boiling whereby the soluble bicarbonates of calcium and magnesium are converted into the corresponding insoluble carbonates and are precipitated distinguished from permanent… …   Useful english dictionary

  • permanent hardness — noun : the part of the total hardness of water that persists after boiling distinguished from temporary hardness …   Useful english dictionary

  • 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

  • Drinking water directive — The European Drinking Water Directive (DWD), Council Directive 98/83/EC concerns the quality of water intended for human consumption and forms part of the regulation of Water supply and sanitation in the European Union. The Directive is intended… …   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

  • Thermometric titration — titration systems have pre dominated in this area since the 1970 s. With the advent of cheap computers able to handle the powerful thermometric titration software, development has now reached the stage where easy to use automated thermometric… …   Wikipedia