AU2001287775A1 - Device for measuring the diffusion of a gaseous substance on a surface of a material - Google Patents

Device for measuring the diffusion of a gaseous substance on a surface of a material

Info

Publication number
AU2001287775A1
AU2001287775A1 AU2001287775A AU8777501A AU2001287775A1 AU 2001287775 A1 AU2001287775 A1 AU 2001287775A1 AU 2001287775 A AU2001287775 A AU 2001287775A AU 8777501 A AU8777501 A AU 8777501A AU 2001287775 A1 AU2001287775 A1 AU 2001287775A1
Authority
AU
Australia
Prior art keywords
diffusion
measuring
gaseous substance
gaseous
substance
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.)
Abandoned
Application number
AU2001287775A
Inventor
Heikki Joensuu
Matti Lyyra
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.)
Vaisala Oy
Original Assignee
Vaisala Oy
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 Vaisala Oy filed Critical Vaisala Oy
Publication of AU2001287775A1 publication Critical patent/AU2001287775A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
    • G01N7/10—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing diffusion of components through a porous wall and measuring a pressure or volume difference
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2226—Sampling from a closed space, e.g. food package, head space
    • G01N2001/2229—Headspace sampling, i.e. vapour over liquid
    • G01N2001/2232—Headspace sampling, i.e. vapour over liquid using a membrane, i.e. pervaporation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2226—Sampling from a closed space, e.g. food package, head space
    • G01N2001/2241—Sampling from a closed space, e.g. food package, head space purpose-built sampling enclosure for emissions

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material 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)
AU2001287775A 2000-09-18 2001-09-17 Device for measuring the diffusion of a gaseous substance on a surface of a material Abandoned AU2001287775A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20002057 2000-09-18
FI20002057A FI20002057A (en) 2000-09-18 2000-09-18 Measuring device for diffusion measurement of a gaseous substance on the surface of a structure
PCT/FI2001/000806 WO2002023158A1 (en) 2000-09-18 2001-09-17 Device for measuring the diffusion of a gaseous substance on a surface of a material

Publications (1)

Publication Number Publication Date
AU2001287775A1 true AU2001287775A1 (en) 2002-03-26

Family

ID=8559107

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001287775A Abandoned AU2001287775A1 (en) 2000-09-18 2001-09-17 Device for measuring the diffusion of a gaseous substance on a surface of a material

Country Status (3)

Country Link
AU (1) AU2001287775A1 (en)
FI (1) FI20002057A (en)
WO (1) WO2002023158A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005017550B4 (en) * 2005-04-16 2010-06-24 CiS Institut für Mikrosensorik gGmbH Method and device for determining the drying state of moist bodies
RU2548614C1 (en) * 2014-04-22 2015-04-20 Федеральное государственное бюджетное учреждение науки Институт высокотемпературной электрохимии Уральского отделения Российской Академии наук Method of determining coefficient of combustion gas diffusion in nitrogen
RU2579183C1 (en) * 2014-12-18 2016-04-10 Федеральное государственное бюджетное учреждение науки Институт высокотемпературной электрохимии Уральского отделения Российской Академии наук Method of determining diffusion coefficient of gases in solid electrolytes
WO2020183065A1 (en) * 2019-03-12 2020-09-17 Mato Engineering Oy Measurement device and method
FI129848B (en) * 2019-03-12 2022-09-30 Mato Eng Oy Humidity measuring device
DE102020200591B4 (en) * 2020-01-20 2023-11-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Device and method for the integral detection of a moisture flow

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4063452A (en) * 1975-06-30 1977-12-20 Minnesota Mining And Manufacturing Company Method and device for monitoring vapor concentration at a phase interface
EP0486179A3 (en) * 1990-11-12 1992-07-08 City Technology Limited Gas diffusion control assembly

Also Published As

Publication number Publication date
FI20002057A (en) 2002-04-18
FI20002057A0 (en) 2000-09-18
WO2002023158A1 (en) 2002-03-21

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