FI923060A - Kapasitivt maetande kemiskt sensorsystem - Google Patents

Kapasitivt maetande kemiskt sensorsystem Download PDF

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Publication number
FI923060A
FI923060A FI923060A FI923060A FI923060A FI 923060 A FI923060 A FI 923060A FI 923060 A FI923060 A FI 923060A FI 923060 A FI923060 A FI 923060A FI 923060 A FI923060 A FI 923060A
Authority
FI
Finland
Prior art keywords
sensorsystem
chemist
capacitive earth
capacitive
earth
Prior art date
Application number
FI923060A
Other languages
English (en)
Other versions
FI923060A0 (fi
Inventor
Wolfgang Schrepp
Harald Fuchs
Bernd F W Hoffmann
Rainer Erbach
Gerhard Wegner
Matthias Schaub
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of FI923060A0 publication Critical patent/FI923060A0/fi
Publication of FI923060A publication Critical patent/FI923060A/fi

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/414—Ion-sensitive or chemical field-effect transistors, i.e. ISFETS or CHEMFETS
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/221—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance by investigating the dielectric properties
FI923060A 1991-07-06 1992-07-01 Kapasitivt maetande kemiskt sensorsystem FI923060A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4122408A DE4122408A1 (de) 1991-07-06 1991-07-06 Kapazitiv messendes chemisches sensorsystem

Publications (2)

Publication Number Publication Date
FI923060A0 FI923060A0 (fi) 1992-07-01
FI923060A true FI923060A (fi) 1993-01-07

Family

ID=6435583

Family Applications (1)

Application Number Title Priority Date Filing Date
FI923060A FI923060A (fi) 1991-07-06 1992-07-01 Kapasitivt maetande kemiskt sensorsystem

Country Status (7)

Country Link
US (1) US5304290A (fi)
EP (1) EP0523437A1 (fi)
JP (1) JPH05188036A (fi)
KR (1) KR930002816A (fi)
CA (1) CA2073107A1 (fi)
DE (1) DE4122408A1 (fi)
FI (1) FI923060A (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4308132C2 (de) * 1993-03-15 2003-06-18 Inst Physikalische Hochtech Ev Miniaturisierter Meßwertaufnehmer
GB9405899D0 (en) * 1994-03-24 1994-05-11 Pima Sensors Inc Gas sensor and sensing device
DE19749216C1 (de) * 1997-11-06 1999-04-15 Forschungszentrum Juelich Gmbh Meßvorrichtung mit Probenzelle zum Nachweis von kleinen Probenmengen in Flüssigkeiten
DE19937745C1 (de) * 1999-08-10 2001-10-31 Infineon Technologies Ag Meßvorrichtung und Verfahren zur Messung der Dielektrizitätskonstanten einer Materialansammlung
DE10051252A1 (de) * 2000-10-16 2002-04-25 Caesar Stiftung Bio-Chip
WO2010001277A1 (en) * 2008-06-30 2010-01-07 Nxp B.V. Chip integrated ion sensor
CN114577864B (zh) * 2022-05-09 2022-07-12 成都晟铎传感技术有限公司 一种改善金属盐中毒效应的mems硫化氢传感器及制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5825221B2 (ja) * 1977-12-12 1983-05-26 株式会社クラレ Ｆｅｔ比較電極
GB2136130B (en) * 1983-02-28 1987-02-11 Theodore Henry Krueger Chemical assay systems and methods
US4508613A (en) * 1983-12-19 1985-04-02 Gould Inc. Miniaturized potassium ion sensor
GB2215846B (en) * 1988-03-23 1992-04-22 Nat Res Dev Method and apparatus for measuring the type and concentration of ion species in liquids
US5011589A (en) * 1988-09-30 1991-04-30 Kabushiki Kaisha Toshiba Solution component sensor device
US5182005A (en) * 1990-06-01 1993-01-26 Basf Aktiengesellschaft Reference electrode for chemical sensors
US5089783A (en) * 1990-11-16 1992-02-18 General Motors Corporation Capacitive fuel composition sensor with padding capacitor

Also Published As

Publication number Publication date
DE4122408A1 (de) 1993-01-07
JPH05188036A (ja) 1993-07-27
FI923060A0 (fi) 1992-07-01
US5304290A (en) 1994-04-19
EP0523437A1 (de) 1993-01-20
CA2073107A1 (en) 1993-01-07
KR930002816A (ko) 1993-02-23

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