Patent · US Expired

Trapping tube adapted to be fitted at the outlet of a gas chromatograph and device for supporting and presenting such a tube

US4756725A · kind A · utility

7Cited by
12References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 27, 1986
Grant dateJul 12, 1988
Priority date
Expiry dateAug 27, 2006

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N30/80
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

This invention relates to a trapping tube characterized in that it is constituted by a shaped tube comprising: PA0 a first section or zone of condensation of the separated gaseous phase delivered by the outlet of the chromatograph, PA0 a second section or zone of confinement of the condensate of the separated gaseous phase, PA0 and a third section or zone of evacuation of the vector gas of the separated gaseous phase. The invention is more particularly applicable to the obtaining of condensates in a small, even infinite quantity.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.