TERMIUM Plus®

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MEMBRANE ULTRAFILTRATION [4 records]

Record 1 2011-10-31

English

Subject field(s)
  • Biotechnology
  • Biophysics
DEF

A homogeneous hydrogel membrane through which solvents and solutes are transported by molecular diffusion under the action of a concentration or activity gradient.

French

Domaine(s)
  • Biotechnologie
  • Biophysique

Spanish

Save record 1

Record 2 2005-05-25

English

Subject field(s)
  • Industrial Techniques and Processes
  • Food Industries
CONT

A UF membrane lets liquid and lower molecular weight substances pass through, but rejects substances of higher molecular weight than the cut-off.

French

Domaine(s)
  • Techniques industrielles
  • Industrie de l'alimentation
DEF

Membrane utilisée pour réaliser une ultrafiltration (Norme AFNOR).

OBS

Ces membranes sont asymétriques à peau sélective microporeuse. Le diamètre des pores de la peau est par convention inférieur à 0,1 micromètre.

OBS

Le seuil de coupure des membranes d'ultrafiltration est compris entre 500 et 100 000 daltons.

Spanish

Save record 2

Record 3 2004-01-19

English

Subject field(s)
  • Biochemistry
  • Biotechnology
DEF

Filter used for the separation of small colloidal particles. For instance, it is employed to concentrate protein solutions during the preparation of enzymes. The filter consists of a flat plate or tubular membrane with semipermeable properties, through which the filtrate passes under pressure or suction. It is also used for removing bacteria from water or other solutions, thus making them sterile.

French

Domaine(s)
  • Biochimie
  • Biotechnologie
CONT

Les membranes d'ultrafiltration ont la propriété d'effectuer une séparation en fonction des dimensions des molécules et de leur masse moléculaire. [...] L'emploi de ces membranes est très répandu dans les laboratoires de recherche et les laboratoires d'analyses biologiques médicales.

Spanish

Campo(s) temático(s)
  • Bioquímica
  • Biotecnología
DEF

Filtro compuesto por membranas con una porosidad de 10-6cm.

Save record 3

Record 4 1986-10-09

English

Subject field(s)
  • Waste Management

French

Domaine(s)
  • Gestion des déchets

Spanish

Save record 4

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