Patent · US Expired

Method and device for detecting fumigants in air samples

US7459483B2 · kind B2 · utility

1Cited by

4References

6Claims

0Family size

Assignee

Kanesho Soil Treatment SPRL/BVBA · BE

Inventors

Reiner Kober
Wolf Stegmaier · Haßloch, DE
Hans Ziegler · Mutterstadt, DE
Erich Probeck · Frankfurt am Main, DE
Thomas Christen · Zürich, CH
Joachim Bargon · Bonn, DE
Fritz Voegtle · Bornheim, DE
Gerhard Horner · Linz, AT

Key dates

Filing date	Feb 28, 2002
Grant date	Dec 2, 2008
Priority date	—
Expiry date	Mar 7, 2024

Classification

Technology area (CPC G)Physics
CPC primaryG01N2291/0212
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The present invention relates to a method and a device for detecting fumigants in air samples. The device can be designed for example as a portable analyzer 10 equipped with a stab probe 11 for sampling soil air. There are provided detection means 16 which, upon contact with the air sample, generate electrical signals which depend on the concentration of the fumigants to be detected in the air sample. In accordance with the invention, the detection means 16 comprise at least one mass-sensitive sensor, for example an array of quartz microbalances, which have suitable selective surface layers.

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