FI20002057A - Measuring device for diffusion measurement of a gaseous substance on the surface of a structure - Google Patents

Measuring device for diffusion measurement of a gaseous substance on the surface of a structure Download PDF

Info

Publication number
FI20002057A
FI20002057A FI20002057A FI20002057A FI20002057A FI 20002057 A FI20002057 A FI 20002057A FI 20002057 A FI20002057 A FI 20002057A FI 20002057 A FI20002057 A FI 20002057A FI 20002057 A FI20002057 A FI 20002057A
Authority
FI
Finland
Prior art keywords
measuring device
gaseous substance
diffusion measurement
diffusion
measurement
Prior art date
Application number
FI20002057A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20002057A0 (en
Inventor
Mattti Lyyra
Original Assignee
Vaisala Oyj
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 Oyj filed Critical Vaisala Oyj
Priority to FI20002057A priority Critical patent/FI20002057A/en
Publication of FI20002057A0 publication Critical patent/FI20002057A0/en
Priority to PCT/FI2001/000806 priority patent/WO2002023158A1/en
Priority to AU2001287775A priority patent/AU2001287775A1/en
Publication of FI20002057A publication Critical patent/FI20002057A/en

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
FI20002057A 2000-09-18 2000-09-18 Measuring device for diffusion measurement of a gaseous substance on the surface of a structure FI20002057A (en)

Priority Applications (3)

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

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20002057A FI20002057A (en) 2000-09-18 2000-09-18 Measuring device for diffusion measurement of a gaseous substance on the surface of a structure

Publications (2)

Publication Number Publication Date
FI20002057A0 FI20002057A0 (en) 2000-09-18
FI20002057A true FI20002057A (en) 2002-04-18

Family

ID=8559107

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20002057A FI20002057A (en) 2000-09-18 2000-09-18 Measuring device for diffusion measurement of a gaseous substance on the surface of a structure

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
EP3938775A4 (en) * 2019-03-12 2022-04-13 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
AU2001287775A1 (en) 2002-03-26
WO2002023158A1 (en) 2002-03-21
FI20002057A0 (en) 2000-09-18

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