Method and apparatus for the introduction of a volume of at least one fluid in a tube, in particular suitable for capillary electrophoresis systems and method and apparatus for separating and/or analyzing a fluid material

A method and apparatus for the injection of a quantitatively defined volume of at least one fluid into a tube or capillary, in particular suitable for capillary electrophoresis systems by immersing at least one end of the tube or capillary in the fluid to be injected in the tube or capillary and gen...

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Bibliographische Detailangaben
Hauptverfasser: LOTH, KAREL AUGUSTE, HANSEN, MARINUS CHRISTIAAN, LAUER, HERMANUS HENDRIK, OOMS, JAN ALBERT, LOGTENBERG, FREDERIKUS JOHAN
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A method and apparatus for the injection of a quantitatively defined volume of at least one fluid into a tube or capillary, in particular suitable for capillary electrophoresis systems by immersing at least one end of the tube or capillary in the fluid to be injected in the tube or capillary and generating an overpressure in a space above the surface of the fluid to be injected, wherein said overpressure is generated by means of a syringe device comprising a cylinder and a piston movable in a controlled manner in the cylinder, said cylinder being filled with a suitable gas and being connected via a pressure line to said space above the surface of the fluid to be injected.