sample flask

См. также в других словарях:

• sample preparation — ▪ chemistry Introduction  in analytical chemistry (chemistry), the processes in which a representative piece of material is extracted from a larger amount and readied for analysis. Sampling and sample preparation have a unique meaning and special …   Universalium

• Büchner flask — [ aspirator. The flask should be clamped before use or the hose will likely cause it to tip.] A Büchner flask, also known as a vacuum flask,The use of the term vacuum flask sometimes causes confusion with the Thermos flask] filter flask, side arm …   Wikipedia

• Er|len|mey|er flask — «UR luhn MY uhr, EHR », a cone shaped flask with a flat bottom, used in laboratory work: »We immersed each sample in an Erlenmeyer flask containing a litre of distilled water and a drop or two of detergent (New Yorker). ╂[< Emil Erlenmeyer,… …   Useful english dictionary

• Kjeldahl flask — n a round bottomed usu. long necked glass flask for use in digesting the sample in the Kjeldahl method of nitrogen analysis …   Medical dictionary

• kjeldahl flask — noun Usage: usually capitalized K Etymology: after Johan G. C. T. Kjeldahl : a round bottomed usually long necked glass flask for use in digesting the sample in the Kjeldahl method …   Useful english dictionary

• Rotary evaporator — Infobox Laboratory equipment name = Rotary evaporator caption = A Büchi Rotavapor R 200 with V assembly (vertical water condenser). This modern style instrument features a digital heating bath and a motorised lifting jack. The evaporation flask… …   Wikipedia

• 2001 anthrax attacks — A letter sent to Senate Majority Leader Tom Daschle containing anthrax powder killed two postal workers Location New York …   Wikipedia

• Titration — [ frame|Titration setup: the titrant drops from the burette into the analyte solution in the flask. An indicator present then changes color permanently at the endpoint.] Titration is a common laboratory method of quantitative chemical analysis… …   Wikipedia

• analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …   Universalium

• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

• Distillation — Distiller and Distillery redirect here. For other uses, see Distiller (disambiguation) and Distillery (disambiguation). For other uses, see Distillation (disambiguation). Laboratory display of distillation: 1: A heating device 2: Still pot 3:… …   Wikipedia