CA1157355A - Detecteurs a comptage continu de l'exposition aux emanations nocives de gaz et de vapeurs industriels - Google Patents

Detecteurs a comptage continu de l'exposition aux emanations nocives de gaz et de vapeurs industriels

Info

Publication number
CA1157355A
CA1157355A CA000354941A CA354941A CA1157355A CA 1157355 A CA1157355 A CA 1157355A CA 000354941 A CA000354941 A CA 000354941A CA 354941 A CA354941 A CA 354941A CA 1157355 A CA1157355 A CA 1157355A
Authority
CA
Canada
Prior art keywords
tubular portion
reagent
elongate
container
membrane
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
Application number
CA000354941A
Other languages
English (en)
Inventor
Michael V. Sefton
Carmen Lombardi
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.)
University of Toronto
Original Assignee
University of Toronto
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
Application filed by University of Toronto filed Critical University of Toronto
Priority to CA000354941A priority Critical patent/CA1157355A/fr
Application granted granted Critical
Publication of CA1157355A publication Critical patent/CA1157355A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
    • G01N21/783—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour for analysing gases
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
    • G01N31/223—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating presence of specific gases or aerosols
    • G01N31/224—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating presence of specific gases or aerosols for investigating presence of dangerous gases

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Toxicology (AREA)
  • Biophysics (AREA)
  • Dispersion Chemistry (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
CA000354941A 1980-06-26 1980-06-26 Detecteurs a comptage continu de l'exposition aux emanations nocives de gaz et de vapeurs industriels Expired CA1157355A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000354941A CA1157355A (fr) 1980-06-26 1980-06-26 Detecteurs a comptage continu de l'exposition aux emanations nocives de gaz et de vapeurs industriels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000354941A CA1157355A (fr) 1980-06-26 1980-06-26 Detecteurs a comptage continu de l'exposition aux emanations nocives de gaz et de vapeurs industriels

Publications (1)

Publication Number Publication Date
CA1157355A true CA1157355A (fr) 1983-11-22

Family

ID=4117285

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000354941A Expired CA1157355A (fr) 1980-06-26 1980-06-26 Detecteurs a comptage continu de l'exposition aux emanations nocives de gaz et de vapeurs industriels

Country Status (1)

Country Link
CA (1) CA1157355A (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0202423A1 (fr) * 1985-04-10 1986-11-26 Drägerwerk Aktiengesellschaft Dosimètre à gaz portable
FR2622011A1 (fr) * 1987-10-17 1989-04-21 Draegerwerk Ag Collecteur de diffusion
FR2624609A1 (fr) * 1987-12-09 1989-06-16 Draegerwerk Ag Tube a essai colorimetrique
WO1991012527A1 (fr) * 1990-02-08 1991-08-22 Alcan International Limited Dispositif de detection de fluides
WO1999002986A1 (fr) * 1997-07-11 1999-01-21 Donaldson Company, Inc. Indicateur de contaminants de l'air
US6187596B1 (en) 1997-07-11 2001-02-13 Donaldson Company, Inc. Airborne contaminant indicator
JP2004163370A (ja) * 2002-11-15 2004-06-10 Riken Keiki Co Ltd 高濃度ガス測定用のアダプタ

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0202423A1 (fr) * 1985-04-10 1986-11-26 Drägerwerk Aktiengesellschaft Dosimètre à gaz portable
FR2622011A1 (fr) * 1987-10-17 1989-04-21 Draegerwerk Ag Collecteur de diffusion
DE3735307A1 (de) * 1987-10-17 1989-04-27 Draegerwerk Ag Diffusionssammler
FR2624609A1 (fr) * 1987-12-09 1989-06-16 Draegerwerk Ag Tube a essai colorimetrique
DE3741664C1 (de) * 1987-12-09 1989-08-10 Draegerwerk Ag Kolorimetrisches Pruefroehrchen
GB2213585A (en) * 1987-12-09 1989-08-16 Draegerwerk Ag Colorimetric test tube
US5000919A (en) * 1987-12-09 1991-03-19 Dragerwerk A.G. Testing tube construction for testing gases which are dissolved in liquids and a method of making the same
GB2213585B (en) * 1987-12-09 1991-07-31 Draegerwerk Ag Colorimetric test tube
WO1991012527A1 (fr) * 1990-02-08 1991-08-22 Alcan International Limited Dispositif de detection de fluides
US5310525A (en) * 1990-02-08 1994-05-10 Whatman Scientific Limited Fluid detection device
WO1999002986A1 (fr) * 1997-07-11 1999-01-21 Donaldson Company, Inc. Indicateur de contaminants de l'air
US5976467A (en) * 1997-07-11 1999-11-02 Donaldson Company, Inc. Airborne contaminant indicator
US6187596B1 (en) 1997-07-11 2001-02-13 Donaldson Company, Inc. Airborne contaminant indicator
JP2004163370A (ja) * 2002-11-15 2004-06-10 Riken Keiki Co Ltd 高濃度ガス測定用のアダプタ

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Legal Events

Date Code Title Description
MKEX Expiry