B - Operations – Transporting – 01 – L
Patent
B - Operations, Transporting
01
L
B01L 99/00 (2010.01) G01N 13/02 (2006.01)
Patent
CA 2613146
The present invention is directed to a method and a device for forming an interface between a first and a second essentially immiscible liquid, especially for the measurement of the surface tension at said interface. According to the invention, a volume of the first liquid is added to a first well having a closed bottom, walls and an upper opening in a horizontal surface. A volume of the second liquid is added to a second well, e.g. in the form of a bore or a sleeve having an upper well opening and a lower well opening which lower well opening rests in a sealing relationship on the said horizontal surface, the said surface closing the lower opening, but in sliding engagement therewith. The lower opening of the second well is brought into alignment with the upper opening of the first well, thus depositing the volume of the second liquid on top of the surface of the volume of the first liquid, to form the desired liquid-liquid interface.
La présente invention concerne un procédé et un dispositif de formation d~une interface entre un premier liquide essentiellement immiscible et un second liquide essentiellement immiscible, en particulier pour mesurer la tension superficielle au niveau de ladite interface. Selon l~invention, un volume du premier liquide est ajouté à un premier puits ayant un fond fermé, des parois et une ouverture supérieure dans une surface horizontale. Un volume du second liquide est ajouté à un second puits, par exemple sous forme d~alésage ou de gaine ayant une ouverture de puits supérieure et une ouverture de puits inférieure, ladite ouverture de puits inférieure reposant dans une relation d~étanchéité sur ladite surface horizontale, ladite surface refermant l~ouverture inférieure, mais en engagement coulissant avec celle-ci. L~ouverture inférieure du second puits est alignée avec l~ouverture supérieure du premier puits, déposant ainsi le volume du second liquide sur le dessus de la surface du volume du premier liquide, pour constituer l~interface liquide/liquide désirée.
Kinnunen Paavo
Mccarthy Tetrault Llp
LandOfFree
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