Patent · US Expired

Vapor sampling and analytical device

US4102201A · kind A · utility

11Cited by
5References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 26, 1977
Grant dateJul 25, 1978
Priority date
Expiry dateSep 26, 1997

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2001/2276
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A device and method for collecting selected components of a fluid mixture such as ambient air are disclosed. A chamber formed by wall members and having an open end contains a layer of collecting material on the bottom thereof and a porous layer covering the open end. After this device has been exposed to the fluid mixture for the prescribed time, a solid cap is placed over the open end of the chamber which facilitates introduction and removal of a elutant for subsequent analysis.

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