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EP0226569A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Method for the quantitative measurement of hydrocarbons

Assignee: AVL List GmbH
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Filing: 1986-11-18
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Granted: —
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Expires: 2006-11-18
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Abstract

Abstract Translated from German Bei herkömmlichen Verfahren zur quantitativen Messung von Kohlenwasserstoffen in gasförmigen Proben mittels Infrarottransmission, sind systematische,durch die sich ändernde Zusammensetzung der in der Probe enthaltenen Komponenten bedingte Ungenauigkeiten von typisch 10 bis 30 %, teilweise bis 100 % des Meßwertes möglich. In conventional methods for the quantitative measurement of hydrocarbons in gaseous samples by means of infrared transmission, systematic inaccuracies of typically 10 to 30%, sometimes up to 100% of the measured value due to the changing composition of the components contained in the sample are possible. Zur Vermeidung dieses Nachteils wird erfindungsgemäß vorgeschlagen, zur Erfassung der Gesamtmasse der gasförmigen und kondensierten Kohlenwasserstoffe Strahlung eines Frequenzbandes zu verwenden, dessen integrale Infrarotabsorption in Bezug auf jeden der hauptsächlich vorliegenden Kohlenwasserstoffe zumindest annähernd den gleichen Wert aufweist. To avoid this disadvantage, it is proposed according to the invention to use radiation of a frequency band for recording the total mass of the gaseous and condensed hydrocarbons, the integral infrared absorption of which has at least approximately the same value with respect to each of the hydrocarbons which are mainly present.

Inventors

  • 👤 Erich Josef Dr. Schiefer
  • 👤 Wolfgang Dr. Schindler
  • 👤 Peter W. Dr. Krempl

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-03 08:41
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/25; G01N21/31; G01N21/35; G01N21/3504

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