osmometer


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osmometer

[äz′mäm·əd·ər]
(analytical chemistry)
A device for measuring molecular weights by measuring the osmotic pressure exerted by solvent molecules diffusing through a semipermeable membrane.
References in periodicals archive ?
Refractometer and osmometer measurements of the Hispaniolan Amazon parrot urine were highly correlated (r = 0.
The reason osmosis stops is that the pressure inside the osmometer increases and counteracts the tendency for osmosis.
Osmotic potential was measured on 10 [micro]l samples of the extract sap using a Wescor 5500 Vapor Pressure Osmometer.
Salivary osmolality was analyzed using a cryoscopic (freezing-point depression) osmometer (calibrated with deionized water and 300 mOsmol/kg NaCl solution).
Viscometer, polarimeter, refractometer, osmometer, fluorometer
The left osmometer represents the photosynthetic leaf, which is filled with a concentrated sugar solution (concentration [C.
Molar masses of the asphaltenes, resins, and their mixtures were measured using a Jupiter Model 833 vapour pressure osmometer, as described elsewhere (Yarranton et al.
The weight average molecular-weight and the molecular-weight distribution were obtained with HITACHI-7000 Vapor Pressure Osmometer and SIC 480 II work station.
n]) of all the liquid rubbers were determined using a Knauer Vapor Pressure Osmometer (VPO), with toluene as the solvent and benzil as a standard.
We then quantify this effect for a hypothetical plant that behaves like a perfect osmometer.
Plasma glucose was measured spectrophotometrically (Sigma, kit 16-20), and plasma osmolality was determined with a vapor pressure osmometer (Wescor, model 5500, Logan, UT).
The osmolarity of the solution was adjusted to 290 mOsm using an osmometer (Boyer, Casablanca, Morocco).