total hardness


total hardness
a measure of the total amount of magnesium and calcium salts dissolved in water including carbonates and non-carbonates

Dictionary of ichthyology. 2009.

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  • total hardness — suminis kietumas statusas T sritis chemija apibrėžtis Vandens laikinojo ir pastoviojo kietumų suma. atitikmenys: angl. total hardness rus. общая жесткость ryšiai: sinonimas – bendrasis kietumas …   Chemijos terminų aiškinamasis žodynas

  • 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-dose radiation hardness — atsparumas visuminei švitinimo dozei statusas T sritis radioelektronika atitikmenys: angl. total dose radiation hardness vok. Gesamtstrahlungsdosishärte, f rus. радиационная стойкость к полной дозе облучения, f pranc. radiorésistance à la dose d… …   Radioelektronikos terminų žodynas

  • 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

  • Maharana Pratap Sagar — Pong Dam Lake View of Reservoir behind Pando Dam Location Kangra district, Himachal Pradesh Coordinates …   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

  • 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

  • Durete totale — Dureté totale La dureté totale d une eau, encore appelée TH (abréviation de titre hydrotimétrique), représente sa teneur en ions calcium et magnésium. Voir dureté de l eau. Le titre hydrotimétrique est mesuré par complexométrie, un puissant… …   Wikipédia en Français