GB2519712A - Electrochemical humidity and optional temperature measurement - Google Patents

Electrochemical humidity and optional temperature measurement Download PDF

Info

Publication number
GB2519712A
GB2519712A GB201503275A GB201503275A GB2519712A GB 2519712 A GB2519712 A GB 2519712A GB 201503275 A GB201503275 A GB 201503275A GB 201503275 A GB201503275 A GB 201503275A GB 2519712 A GB2519712 A GB 2519712A
Authority
GB
United Kingdom
Prior art keywords
humidity
electrochemical
multiferrocene
determining
mixture
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.)
Withdrawn
Application number
GB201503275A
Other versions
GB201503275D0 (en
Inventor
Richard Compton
Linhongjia Xiong
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.)
Oxford University Innovation Ltd
Original Assignee
Oxford University Innovation Ltd
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 Oxford University Innovation Ltd filed Critical Oxford University Innovation Ltd
Publication of GB201503275D0 publication Critical patent/GB201503275D0/en
Publication of GB2519712A publication Critical patent/GB2519712A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/26—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being an electrolyte
    • 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
    • G01N27/416—Systems
    • G01N27/48—Systems using polarography, i.e. measuring changes in current under a slowly-varying voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0006—Calibrating gas analysers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036—Specially adapted to detect a particular component
    • G01N33/0059—Specially adapted to detect a particular component avoiding interference of a gas with the gas to be measured
    • G01N33/006—Specially adapted to detect a particular component avoiding interference of a gas with the gas to be measured avoiding interference of water vapour with the gas to be measured

Abstract

Voltammetric method for measuring humidity of the mixture of a ferrocene compound containing a single iron atom and a multiferrocene compound, the method comprising • determining, at a humidity of interest, a first peak potential at which a first electrochemical reaction of the mixture of a ferrocene compound containing a single iron atom and a multiferrocene compound occurs; • determining, at the humidity of interest, a second peak potential at which a second electrochemical reaction of that mixture occurs; • determining the difference between the first and second peak potentials; • converting the difference between the first and second peak potentials to a value of humidity. • Also provided is an electrochemical method for measuring both temperature and humidity simultaneously. Also further provided is a humidity sensor for carrying out these methods, and a voltammetric sensor for sensing a species, the sensor comprising a ferrocene compound containing a single iron atom, a multiferrocene compound and an ionic liquid.
GB201503275A 2012-08-02 2013-08-01 Electrochemical humidity and optional temperature measurement Withdrawn GB2519712A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB1213772.5A GB201213772D0 (en) 2012-08-02 2012-08-02 Electrochemical humidity and optional temperature measurement
PCT/GB2013/052060 WO2014020347A1 (en) 2012-08-02 2013-08-01 Electrochemical humidity and optional temperature measurement

Publications (2)

Publication Number Publication Date
GB201503275D0 GB201503275D0 (en) 2015-04-15
GB2519712A true GB2519712A (en) 2015-04-29

Family

ID=46881565

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB1213772.5A Ceased GB201213772D0 (en) 2012-08-02 2012-08-02 Electrochemical humidity and optional temperature measurement
GB201503275A Withdrawn GB2519712A (en) 2012-08-02 2013-08-01 Electrochemical humidity and optional temperature measurement

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB1213772.5A Ceased GB201213772D0 (en) 2012-08-02 2012-08-02 Electrochemical humidity and optional temperature measurement

Country Status (2)

Country Link
GB (2) GB201213772D0 (en)
WO (1) WO2014020347A1 (en)

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
TORRIERO ET AL: "Ionic liquid effects on the redox potential of ferrocene", ELECTROCHEMISTRY COMMUNICATIONS, vol. 16, no. 1, 2011, pages 84-87 *
XIONG ET AL: "A simultaneous voltammetric temperature and humidity sensor", THE ANALYST, vol. 137, no. 21, 2012, pages 4951-4957 *
XIONG ET AL: "An electrochemical thermometer: voltammetric measurement of temperature and its application to amperometric gas sensing", THE ANALYST, vol. 137, no. 11, 2012, pages 2567-2573 *
XIONG ET AL: "Tuning solute redox potentials by varying the anion component of room temperature ionic liquids", CHEMICAL COMMUNICATIONS, vol. 48, no. 46, 2012, pages 5784-5786 *
ZHANG ET AL: "A hydrogel modified electrode for application as a voltammetric temperature sensor and its use in oxygen detection", ANALYTICAL METHODS, vol. 5, no. 14, 2013, page 3473 *

Also Published As

Publication number Publication date
GB201503275D0 (en) 2015-04-15
WO2014020347A1 (en) 2014-02-06
GB201213772D0 (en) 2012-09-12

Similar Documents

Publication Publication Date Title
MY177335A (en) Sensor systems for measuring an interface level in a multi-phase fluid composition
EP3940369A3 (en) Method of measuring at least one time-varying signal emission from the contents of a receptacle
HK1223681A1 (en) Temperature compensation for an analyte measurement determined from a specified sampling time derived from a sensed physical characteristic of the sample containing the analyte
WO2012003368A3 (en) Transistor circuits for detection and measurement of chemical reactions and compounds
GB2526736A (en) Methods, compositions, and kits for nucleic acid analysis
EP3862439A3 (en) Liver cancer detection kit or device, and detection method
WO2013112541A3 (en) Devices and methods for the rapid and accurate detection of analytes
BRPI0814201A2 (en) FLUID SAMPLE ANALYSIS PRODUCT ANALYSIS SYSTEM AND METHOD AND COMPUTER READY
MY165240A (en) Water-quality measurement system using a smartphone
BR112013007156A2 (en) systems and methods for improved electrochemical sensor stability
WO2013009875A3 (en) pH SENSOR SYSTEMS AND METHODS OF SENSING pH
MX2016002627A (en) Neonatal carbon dioxide measurement system.
EP2408368A4 (en) Method of continuously measuring substrate concentration
AU2018253651A1 (en) Estimating material properties
MX371379B (en) Detection of cleavage activity of an enzyme.
EA201290793A1 (en) PROBE FOR DETERMINING BORDERS BETWEEN SUBSTANCES
IN2014KN01352A (en)
IN2014DE00921A (en)
EP3134419A4 (en) Non-enzymatic electrochemical sensor for measuring analytes
MX2013004230A (en) Use of signal enhancing compounds in electrochemiluminescence detection.
WO2012070762A3 (en) Apparatus and method for measuring the volume of foreign substances within a geological sample core using computer tomography
HK1223683A1 (en) Transient signal error trap for an analyte measurement determined from a specified sampling time derived from a sensed physical characteristic of the sample containing the analyte
WO2013156896A3 (en) Energy application apparatus
WO2013189175A8 (en) Method and device for measuring concentration of substance in fluid
EP4306650A3 (en) Digital analysis of molecular analytes using electrical methods

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)