concentration by evaporation

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• Evaporation — is the process by which molecules in a liquid state (e.g. water) spontaneously become gaseous (e.g. water vapor). It is the opposite of condensation. Generally, evaporation can be seen by the gradual disappearance of a liquid when exposed to a… …   Wikipedia

• Concentration — Con cen*tra tion, n. [Cf. F. concentration.] 1. The act or process of concentrating; the process of becoming concentrated, or the state of being concentrated; concentration. [1913 Webster] Concentration of the lunar beams. Boyle. [1913 Webster]… …   The Collaborative International Dictionary of English

• Concentration — (v. lat.), 1) das Zusammendrängen nach einer gemeinschaftlichen Mitte hin; 2) (Phys.), das Zusammendrängen von Lichtstrahlen auf einem Punkte od. engem Raum, vgl. Brennpunkt; 3) die Vereinigung wirksamer Theile einer Flüssigkeit in einem… …   Pierer's Universal-Lexikon

• concentration — noun 1 giving all your attention/effort to sth ADJECTIVE ▪ deep, great, intense ▪ absolute, total ▪ a look of total concentration on her face ▪ …   Collocations dictionary

• concentration — 1. A preparation made by extracting a crude drug, precipitating from the solution, and drying. 2. Increasing the amount of solute in a given volume of solution by evaporation of the solvent. 3. The quantity of a substance per unit …   Medical dictionary

• concentration — Dephlegmation De phleg*ma tion, n. [Cf. F. d[ e]flegmation.] (Chem.) The operation of separating water from spirits and acids, by evaporation or repeated distillation; called also {concentration}, especially when acids are the subject of it. [Obs …   The Collaborative International Dictionary of English

• evaporation — noun a) The process of a liquid converting to the gaseous state. b) The process in which all or a portion of liquid (in a container) is turned into vapour, in order to increase the concentration of solid matter in the mixture …   Wiktionary

• concentration — n. 1. Condensation, compression into a small compass, collection upon a single point. 2. Reduction by evaporation …   New dictionary of synonyms

• concentration — n 1. focus, centrality, convergence; consolidation, drawing together, constriction, compression. 2. collection, gathering, congregation, flock, assemblage, assembly, confluence, conflux; cluster, agglomeration, agglomerate, aggregation, aggregate …   A Note on the Style of the synonym finder

• HYDROGÉOLOGIE — L’hydrogéologie est la science des eaux souterraines. Elle a pour objet l’étude du rôle des matériaux constituant le sol et le sous sol et des structures géologiques dans l’origine, la distribution et le mode de gisement, les modalités de… …   Encyclopédie Universelle

• CALCAIRES — Une roche est dite calcaire si elle renferme au moins 50 p. 100 de carbonate de chaux (CaCO3), généralement représenté par de la calcite , plus rarement par de l’aragonite ; les minéraux les plus fréquemment associés au carbonate de chaux dans… …   Encyclopédie Universelle