ES2139111T3 - Sensores de gases. - Google Patents

Sensores de gases.

Info

Publication number
ES2139111T3
ES2139111T3 ES95107339T ES95107339T ES2139111T3 ES 2139111 T3 ES2139111 T3 ES 2139111T3 ES 95107339 T ES95107339 T ES 95107339T ES 95107339 T ES95107339 T ES 95107339T ES 2139111 T3 ES2139111 T3 ES 2139111T3
Authority
ES
Spain
Prior art keywords
sub
gas sensors
sno
sensors
gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES95107339T
Other languages
English (en)
Inventor
Gary Stephen Vaughan Coles
Geraint Williams
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BG Group Ltd
British Gas PLC
Original Assignee
BG PLC
British Gas PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB909006176A external-priority patent/GB9006176D0/en
Application filed by BG PLC, British Gas PLC filed Critical BG PLC
Application granted granted Critical
Publication of ES2139111T3 publication Critical patent/ES2139111T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

SE DESCRIBEN SENSORES DE GAS SNO 2 QUE INCORPORAN BI{SUB, 2}O{SUB, 3} EN UNA CANTIDAD INFERIOR AL 35% (BASADA EN LA CANTIDAD TOTAL DE SNO{SUB, 2} Y BI{SUB, 2}O{SUB, 3} PRESENTE) PERO SUFICIENTE COMO PARA OTORGAR SENSIBILIDAD AL HIDROGENO Y SELECTIVIDAD A LOS SENSORES ASI PRODUCIDOS. UN SENSOR PARTICULAR DESCRITO COMPRENDE EL 25% C/P DE BI{SUB, 2}O{SUB, 3} E INCORPORA UN CATALIZADOR DE PLATINO.
ES95107339T 1990-03-19 1991-03-15 Sensores de gases. Expired - Lifetime ES2139111T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909006176A GB9006176D0 (en) 1990-03-19 1990-03-19 Gas sensors
EP91905421A EP0531295B1 (en) 1990-03-19 1991-03-15 Gas sensors

Publications (1)

Publication Number Publication Date
ES2139111T3 true ES2139111T3 (es) 2000-02-01

Family

ID=26130518

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95107339T Expired - Lifetime ES2139111T3 (es) 1990-03-19 1991-03-15 Sensores de gases.

Country Status (1)

Country Link
ES (1) ES2139111T3 (es)

Similar Documents

Publication Publication Date Title
ES2188588T3 (es) Detector de actividad de voz.
MX144046A (es) Mejoras en detector de gases combustibles
ES2089197T3 (es) Sensores de gas.
JPS5315886A (en) Oxygen concentration detector
JPS5367495A (en) Oxygen concentration detector
IT8922663A0 (it) Sensore a stato solido per determinare la concentrazione di gas che possono reagire con idrogeno
ES2034987T3 (es) Dispositivo de electrodos.
FI933667A0 (fi) Elektrodijärjestelmän, johon kuuluu mittauselektrodi, vertailuelektrodi ja vastaelektrodi, käyttö vetyperoksidin pitoisuuden mittaamisessa
JPS52100277A (en) Absorption photometer
ES2139111T3 (es) Sensores de gases.
SE9503139L (sv) Anordning för mätning av CO2 -koncentrationen i en gas
ATE221061T1 (de) Chemilumineszente 1,2-dioxetane mit verbesserter leistung
JPS5333194A (en) Oxygen concentration detector
ES235461Y (es) Celula de medida que permite determinar la concentracion de oxigeno en una mezcla gaseosa.
JPS53134491A (en) Tester for oxygen concentration detector
JPS5317777A (en) Transmission type smoke sensor
JPS5367471A (en) Voltage display unit
JPS53143289A (en) Semiconductor radiation measuring instrument
JPS5342758A (en) Interference measuring method
JPS5313981A (en) Ionization type smoke detector with binary ion rooms
JPS5321987A (en) Detecting element using combustible gas concentration measurements
JPS5364084A (en) System spectometer
JPS5370891A (en) Measuring instrument of light absorption
JPS53148489A (en) Stress detector
Krumein Integrated circuits for optical sensing and display techniques

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 679884

Country of ref document: ES