extraction constant

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• Extraction houillère — Mine (gisement) Pour les articles homonymes, voir Mine. Une mine est un gisement exploité de matériaux (par exemple d or, de charbon, de cuivre, de diamants, de fer, de sel, d uranium, etc.). Elle peut être à ciel ouvert ou souterraine ;… …   Wikipédia en Français

• Liquid-liquid extraction — Liquid liquid extraction, also known as solvent extraction and partitioning, is a method to separate compounds based on their relative solubilities in two different immiscible liquids, usually water and an organic solvent. It is an of a substance …   Wikipedia

• Acid dissociation constant — Acetic acid, a weak acid, donates a proton (hydrogen ion, high …   Wikipedia

• Supercritical fluid extraction — (SFE) is the process of separating one component (the extractant) from another (the matrix) using supercritical fluids as the extracting solvent. Extraction is usually from a solid matrix, but can also be from liquids. SFE can be used as a sample …   Wikipedia

• Dissociation constant — Kd redirects here. For other uses, see KD (disambiguation). In chemistry, biochemistry, and pharmacology, a dissociation constant is a specific type of equilibrium constant that measures the propensity of a larger object to separate (dissociate)… …   Wikipedia

• Coal bed methane extraction — (CBM extraction) is a method for extracting methane from a coal deposit. Contents 1 Basic principles 2 Areas with coal bed methane extraction 3 Measuring the gas content of coal …   Wikipedia

• Chronologie de l'extraction houillère — La chronologie de l extraction houillère, tributaire de ses utilisations pour la fonte puis l acier, et des machines à vapeur pour faire fonctionner les mines, s est enrichie à la fin du XVIIe siècle puis au XVIIIe siècle de découvertes …   Wikipédia en Français

• Jean Victor de Constant Rebecque — Infobox Military Person name=Jean Victor de Constant Rebecque caption=Jean Victor de Constant Rebecque by Jan Baptist van der Hulst born=September 22, 1773 died=June 12, 1850 placeofbirth=Genève placeofdeath=Schönfeld (Silesia) allegiance=United… …   Wikipedia

• Distribution constant — The distribution constant (or partition ratio), is the equilibrium constant for the distribution of an analyte in two immiscible solvents.[1] For a particular solvent, it is equal to the ratio of its molar concentration in the stationary phase to …   Wikipedia

• turbine — /terr bin, buyn/, n. any of various machines having a rotor, usually with vanes or blades, driven by the pressure, momentum, or reactive thrust of a moving fluid, as steam, water, hot gases, or air, either occurring in the form of free jets or as …   Universalium

• rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 …   Universalium