GB1325242A - Detection of halogens by diode circuits - Google Patents

Detection of halogens by diode circuits

Info

Publication number
GB1325242A
GB1325242A GB1669171A GB1669171A GB1325242A GB 1325242 A GB1325242 A GB 1325242A GB 1669171 A GB1669171 A GB 1669171A GB 1669171 A GB1669171 A GB 1669171A GB 1325242 A GB1325242 A GB 1325242A
Authority
GB
United Kingdom
Prior art keywords
diode
ion current
halogen
current
detected
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
Application number
GB1669171A
Other languages
English (en)
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.)
Balzers Patent und Beteiligungs AG
Original Assignee
Balzers Patent und Beteiligungs 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 Balzers Patent und Beteiligungs AG filed Critical Balzers Patent und Beteiligungs AG
Publication of GB1325242A publication Critical patent/GB1325242A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
    • 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
    • G01N27/68—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 electric discharge to ionise a gas
    • G01N27/70—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 electric discharge to ionise a gas and measuring current or voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
GB1669171A 1970-06-30 1971-05-24 Detection of halogens by diode circuits Expired GB1325242A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH994370A CH506062A (de) 1970-06-30 1970-06-30 Verfahren zum Betrieb einer Halogennachweisdiode und Vorrichtung zur Durchführung des Verfahrens

Publications (1)

Publication Number Publication Date
GB1325242A true GB1325242A (en) 1973-08-01

Family

ID=4357362

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1669171A Expired GB1325242A (en) 1970-06-30 1971-05-24 Detection of halogens by diode circuits

Country Status (7)

Country Link
US (1) US3739260A (enExample)
JP (1) JPS5531895B1 (enExample)
CH (1) CH506062A (enExample)
DE (1) DE2050653C3 (enExample)
FR (1) FR2096215A5 (enExample)
GB (1) GB1325242A (enExample)
NL (1) NL145678B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111595926A (zh) * 2020-05-18 2020-08-28 中国计量科学研究院 在线过程质谱仪及在线过程质谱仪自调节方法

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2408218C3 (de) * 1974-02-21 1983-11-03 Ehlen, Karl Josef, Dr., 5000 Köln Schaltungsanordnung zum Nachweis von Gasen
DE2941142C2 (de) * 1978-10-11 1987-03-19 Hitachi, Ltd., Tokio/Tokyo Natrium-Ionisationsdetektor
GB2186695B (en) * 1985-06-27 1989-07-12 Uk G P I Nii Kommunaln Halogen gas leak detector
US4910463A (en) * 1987-12-17 1990-03-20 Sentech Corporation Halogen monitoring apparatus
US5198774A (en) * 1987-12-17 1993-03-30 Williams Ii William J Gas monitoring apparatus
US5444435A (en) * 1990-03-19 1995-08-22 Williams, Ii; William J. Halogen monitoring apparatus
US5448905A (en) * 1993-11-26 1995-09-12 Transducer Research, Inc. Solid-state chemical sensor apparatus and methods
US5767683A (en) * 1996-07-26 1998-06-16 Stearns; Stanley D. System for detecting compounds in a gaseous sample using photoionization, electron capture detection, and a constant current feedback control circuit which responds to compound concentration
US6644098B2 (en) 2001-01-18 2003-11-11 Advanced Test Products, Inc. Heated electrode refrigerant detector utilizing one or more control loop
US6649876B2 (en) 2001-04-19 2003-11-18 Advanced Test Products, Inc. Methods and apparatuses for automatic process control for firing and biasing heated electrode refrigerant sensors
US6703840B2 (en) 2001-04-19 2004-03-09 Advanced Test Products, Inc. Methods and apparatuses for automatic process control for biasing and testing heated electrode refrigerant sensors
CA2470115C (en) * 2001-12-13 2013-10-01 The University Of Wyoming Research Corporation Doing Business As Western Research Institute Volatile organic compound sensor system
US8324905B2 (en) * 2010-03-01 2012-12-04 Woodward, Inc. Automatic variable gain amplifier
US8779362B1 (en) 2012-04-16 2014-07-15 Ted J. Amundsen Infrared acid detector and method
US11046196B2 (en) 2018-07-26 2021-06-29 Ford Global Technologies, Llc Charge port covering assembly and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1310211A (enExample) * 1961-01-03 1963-03-06
US3160809A (en) * 1963-08-06 1964-12-08 Lion Res Corp Current-source transducer high-voltage low-current power supply system
US3292090A (en) * 1964-07-01 1966-12-13 Gen Electric Ion gauge system having overload protection
US3438259A (en) * 1967-05-31 1969-04-15 Midwest Research Inst Vacuum system pressure change detection
US3617734A (en) * 1967-06-07 1971-11-02 Melpar Inc Detection system for monitoring gaseous components in air

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111595926A (zh) * 2020-05-18 2020-08-28 中国计量科学研究院 在线过程质谱仪及在线过程质谱仪自调节方法
CN111595926B (zh) * 2020-05-18 2022-09-27 中国计量科学研究院 在线过程质谱仪及在线过程质谱仪自调节方法

Also Published As

Publication number Publication date
DE2050653A1 (de) 1972-01-05
NL145678B (nl) 1975-04-15
DE2050653C3 (de) 1974-10-03
FR2096215A5 (enExample) 1972-02-11
DE2050653B2 (de) 1974-03-07
CH506062A (de) 1971-04-15
US3739260A (en) 1973-06-12
JPS5531895B1 (enExample) 1980-08-21
NL7012200A (enExample) 1972-01-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee