ion-exchange electrode

  • 21Determination of equilibrium constants — Equilibrium constants are determined in order to quantify chemical equilibria. When an equilibrium constant is expressed as a concentration quotient, it is implied that the activity quotient is constant. In order for this assumption to be valid… …

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  • 22environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …

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  • 23cardiovascular disease — Introduction       any of the diseases, whether congenital or acquired, of the heart and blood vessels (blood vessel). Among the most important are atherosclerosis, rheumatic heart disease, and vascular inflammation. Cardiovascular diseases are a …

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  • 24Corrosion — v · d · e Materials failure modes Buckling · …

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  • 25Zinc-bromine flow battery — The zinc bromine flow battery is a type of hybrid flow battery. A solution of zinc bromide is stored in two tanks. When the battery is charged or discharged the solutions (electrolytes) are pumped through a reactor and back into the tanks. One… …

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  • 26Chloralkali process — The chloralkali process is an industrial process for the electrolysis of sodium chloride solution (brine). Depending on the method several products beside hydrogen can be produced. If the products are separated, chlorine and sodium hydroxide are… …

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  • 27Boris Nikolsky — Boris Petrovich Nikolsky ( ru. Борис Петрович Никольский) (1900 1990) ndash; was a Russian (Soviet) physical chemist and radiochemist, Academician of the Soviet Academy of Sciences, and professor of Saint Petersburg (then Leningrad) State… …

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  • 28Fermium — Not to be confused with Ferrum , the Latin name for Iron. einsteinium ← fermium → mendelevium …

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  • 29Carbon nanotube — Not to be confused with Carbon fiber. Part of a series of articles on Nanomaterials Fullerenes …

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  • 30Metalloid —   13 14 15 16 17   2  B Boron …

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