vapor pressure osmometer

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Vapor pressure osmometry — is a technique to measure the number average molecular weight of a polymer. It is based upon Raoult s law that governs change in vapor pressure of a solution based on the mole fraction of the solute.The vapor pressure osmometer is composed of two … Wikipedia
Osmometer — An osmometer is a device for measuring the osmotic strength of a solution, colloid, or compound. There are several different techniques employed in osmometry: Vapor pressure depression osmometers determine the concentration of osmotically active… … Wikipedia
osmometer — 1. An instrument for measuring osmolality by freezing point depression or vapor pressure elevation techniques. 2. An apparatus for measuring the acuteness of the sense of smell. * * * os·mo … Medical dictionary
Osmolarity — This article is about osmolarity. For the osmole unit, see Osmole (unit). Osmolarity is the measure of solute concentration, defined as the number of osmoles (Osm) of solute per litre (L) of solution (osmol/L or Osm/L). The osmolarity of a… … Wikipedia

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