magnesium hardness of water

  • 11carbonate hardness —    Hardness of water due to presence of dissolved bicarbonates of calcium and magnesium which can be removed by boiling and hence the term ‘temporary hardness.’    Synonyms: (French.) dureté temporaire; (German.) temporäre Härte, Carbonathärte;… …

    Lexicon of Cave and Karst Terminology

  • 12hardness — noun 1. the property of being rigid and resistant to pressure; not easily scratched; measured on Mohs scale • Ant: ↑softness • Derivationally related forms: ↑hard • Hypernyms: ↑consistency, ↑consistence, ↑eubstance, ↑ …

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  • 13hardness —    1. Property of water that prevents lathering because of the presence of cations, mainly calcium and magnesium, which form insoluble soaps [10].    2. The sum of calcium and magnesium ions expressed as the equivalent amount of calcium carbonate …

    Lexicon of Cave and Karst Terminology

  • 14Hard 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… …

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  • 15Soft water — the term used to describe types of water that contain few or no calcium or magnesium metal cations. The term is usually related to hard water , which does contain significant amounts of these ions.Soft water usually comes from peat or igneous… …

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  • 16temporary 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… …

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  • 17Purified 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… …

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  • 18Magnetic 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] …

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  • 19Carbonate hardness — is the measure of Calcium and Magnesium and other hard ions associated with carbonate (CO32 ) and bicarbonate (HCO3 ) ions contained in a solution, usually water. It is usually expressed either as parts per million (ppm or mg/L), or in degrees… …

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  • 20Lansing Board of Water & Light — The Lansing Board of Water and Light is a municipal utility that provides electricity and water to the residents of the Cities of Lansing and East Lansing, Michigan and the surrounding townships of Delta, Delhi, Meridian and DeWitt. The Lansing… …

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