GB2316170B - The detection of volatile substances - Google Patents

The detection of volatile substances

Info

Publication number
GB2316170B
GB2316170B GB9715279A GB9715279A GB2316170B GB 2316170 B GB2316170 B GB 2316170B GB 9715279 A GB9715279 A GB 9715279A GB 9715279 A GB9715279 A GB 9715279A GB 2316170 B GB2316170 B GB 2316170B
Authority
GB
United Kingdom
Prior art keywords
detection
volatile substances
volatile
substances
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 - Fee Related
Application number
GB9715279A
Other versions
GB9715279D0 (en
GB2316170A (en
Inventor
David Raybone
Robert Frew Gillespie
Fiona Winterbottom
Stephen Ivor Hall
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.)
Ricardo AEA Ltd
Original Assignee
AEA Technology PLC
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
Priority claimed from GBGB9616841.4A external-priority patent/GB9616841D0/en
Application filed by AEA Technology PLC filed Critical AEA Technology PLC
Priority to GB9715279A priority Critical patent/GB2316170B/en
Publication of GB9715279D0 publication Critical patent/GB9715279D0/en
Publication of GB2316170A publication Critical patent/GB2316170A/en
Application granted granted Critical
Publication of GB2316170B publication Critical patent/GB2316170B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
    • G01N21/73—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited using plasma burners or torches
    • 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
    • G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
    • G01N27/64—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
GB9715279A 1996-08-10 1997-07-22 The detection of volatile substances Expired - Fee Related GB2316170B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9715279A GB2316170B (en) 1996-08-10 1997-07-22 The detection of volatile substances

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9616841.4A GB9616841D0 (en) 1996-08-10 1996-08-10 The detection of volatile substances
GB9715279A GB2316170B (en) 1996-08-10 1997-07-22 The detection of volatile substances

Publications (3)

Publication Number Publication Date
GB9715279D0 GB9715279D0 (en) 1997-09-24
GB2316170A GB2316170A (en) 1998-02-18
GB2316170B true GB2316170B (en) 2000-11-29

Family

ID=26309852

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9715279A Expired - Fee Related GB2316170B (en) 1996-08-10 1997-07-22 The detection of volatile substances

Country Status (1)

Country Link
GB (1) GB2316170B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2383145B (en) * 2001-10-31 2005-09-07 Alphamosaic Ltd Data access in a processor
GB0522088D0 (en) 2005-10-28 2005-12-07 Boc Group Plc Plasma abatement device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843257A (en) * 1971-11-30 1974-10-22 Monsanto Res Corp Microwave-excited emission detector
US4532219A (en) * 1984-01-27 1985-07-30 Minnesota Mining And Manufacturing Company High frequency radiation-induced plasma analysis of volatile or non-volatile materials
GB2273027A (en) * 1992-11-26 1994-06-01 Atomic Energy Authority Uk Electrode arrangement in a microwave plasma generator
WO1995011442A1 (en) * 1993-10-22 1995-04-27 Massachusetts Institute Of Technology Continuous, real time microwave plasma element sensor
US5596405A (en) * 1995-10-03 1997-01-21 The United States Of America As Represented By The Secretary Of The Navy Method of and apparatus for the continuous emissions monitoring of toxic airborne metals

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843257A (en) * 1971-11-30 1974-10-22 Monsanto Res Corp Microwave-excited emission detector
US4532219A (en) * 1984-01-27 1985-07-30 Minnesota Mining And Manufacturing Company High frequency radiation-induced plasma analysis of volatile or non-volatile materials
GB2273027A (en) * 1992-11-26 1994-06-01 Atomic Energy Authority Uk Electrode arrangement in a microwave plasma generator
WO1995011442A1 (en) * 1993-10-22 1995-04-27 Massachusetts Institute Of Technology Continuous, real time microwave plasma element sensor
US5596405A (en) * 1995-10-03 1997-01-21 The United States Of America As Represented By The Secretary Of The Navy Method of and apparatus for the continuous emissions monitoring of toxic airborne metals

Also Published As

Publication number Publication date
GB9715279D0 (en) 1997-09-24
GB2316170A (en) 1998-02-18

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050722