[go: up one dir, main page]

GB2285508B - Method and apparatus for determining the presence of corrosive gas - Google Patents

Method and apparatus for determining the presence of corrosive gas

Info

Publication number
GB2285508B
GB2285508B GB9424857A GB9424857A GB2285508B GB 2285508 B GB2285508 B GB 2285508B GB 9424857 A GB9424857 A GB 9424857A GB 9424857 A GB9424857 A GB 9424857A GB 2285508 B GB2285508 B GB 2285508B
Authority
GB
United Kingdom
Prior art keywords
determining
corrosive gas
corrosive
gas
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
GB9424857A
Other versions
GB9424857D0 (en
GB2285508A (en
Inventor
Masahiko Nemoto
Yukio Yamauti
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.)
Hochiki Corp
Original Assignee
Hochiki Corp
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 Hochiki Corp filed Critical Hochiki Corp
Publication of GB9424857D0 publication Critical patent/GB9424857D0/en
Publication of GB2285508A publication Critical patent/GB2285508A/en
Application granted granted Critical
Publication of GB2285508B publication Critical patent/GB2285508B/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
    • G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
    • G01N17/04—Corrosion probes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/12—Analysing solids by measuring frequency or resonance of acoustic waves

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Environmental Sciences (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
GB9424857A 1993-12-13 1994-12-09 Method and apparatus for determining the presence of corrosive gas Expired - Fee Related GB2285508B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31145393 1993-12-13

Publications (3)

Publication Number Publication Date
GB9424857D0 GB9424857D0 (en) 1995-02-08
GB2285508A GB2285508A (en) 1995-07-12
GB2285508B true GB2285508B (en) 1997-05-28

Family

ID=18017407

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9424857A Expired - Fee Related GB2285508B (en) 1993-12-13 1994-12-09 Method and apparatus for determining the presence of corrosive gas

Country Status (2)

Country Link
DE (1) DE4444224A1 (en)
GB (1) GB2285508B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09180080A (en) * 1995-12-26 1997-07-11 Hochiki Corp HCl sensor
US6025913A (en) * 1997-08-08 2000-02-15 Bio-Rad Laboratories Digital signal processing (DSP) techniques for FT-IR multiple modulation measurements using a photoelastic modulator
US6043884A (en) * 1997-08-08 2000-03-28 Bio-Rad Laboratories, Inc. DSP technique for photoacoustic spectroscopy (PAS) sample pulse response for depth profiling
US7681449B2 (en) * 2006-02-28 2010-03-23 Exxonmobil Research And Engineering Company Metal loss rate sensor and measurement using a mechanical oscillator
WO2009109203A1 (en) * 2008-03-06 2009-09-11 Siemens Aktiengesellschaft Corrosion detection device and method
WO2014024309A1 (en) 2012-08-10 2014-02-13 富士通株式会社 Qcm sensor and method for manufacturing same
US10627368B2 (en) 2018-02-17 2020-04-21 Applied Nanotech, Inc. Methane gas sensor
JP7211885B2 (en) * 2019-04-22 2023-01-24 太陽誘電株式会社 Arithmetic device, arithmetic method and gas detection system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991017423A1 (en) * 1990-05-08 1991-11-14 Purafil, Inc. Method and apparatus for monitoring corrosion and reporting same according to accepted industry standards

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991017423A1 (en) * 1990-05-08 1991-11-14 Purafil, Inc. Method and apparatus for monitoring corrosion and reporting same according to accepted industry standards

Also Published As

Publication number Publication date
GB9424857D0 (en) 1995-02-08
DE4444224A1 (en) 1995-06-14
GB2285508A (en) 1995-07-12

Similar Documents

Publication Publication Date Title
GB9421371D0 (en) A method and apparatus for determining the concentration of a gas
GB2292805B (en) Method and apparatus for the detection of toxic gases
GB9501031D0 (en) Method and apparatus for oil or gas well cleaning
GB9600334D0 (en) Apparatus and method determining mechanical integrity of wells
IL109030A0 (en) Apparatus and method for thick wafer measurement
EP0632258A3 (en) Methods and apparatus for detection of large leaks.
HK1011198A1 (en) Method of and apparatus for depalletizing commodities
EP0591802A3 (en) Method and apparatus for measuring degree of corrosion of metal materials
GB2327270B (en) Method and apparatus for gas concentration detection and manufacturing method of the apparatus
EP0609495A3 (en) Method and apparatus for monitoring the presence of a gas.
EP0449791A3 (en) A method for determining the end of useful life of a gas purifier and apparatus therefor
EP0616215A3 (en) Method and apparatus for the determination of the purity of prepared used glass.
GB2285508B (en) Method and apparatus for determining the presence of corrosive gas
GB9312831D0 (en) Method and apparatus for the determination of azimuth error
IL105991A0 (en) Method and apparatus for predicting the occurrence of an earthquake
GB2280271B (en) Method for determining gas hold-up
GB2274699B (en) Method and apparatus for lining pipe
TW317953U (en) Method and apparatus for coordinate detection
GB9314617D0 (en) Method and apparatus for gas/liquid contact
EP0633666A3 (en) Testing method and apparatus for detecting the presence of all codes.
HK1011405A1 (en) Method for the measurement of lengths and angles and an equipment therefor
EP0650028A3 (en) Method and apparatus for measurement of thickness of specimens.
GB2277155B (en) Method and apparatus for determining the corrosivity of water-containing liquids
GB9412013D0 (en) Method and apparatus for the measurement of luminescence of biological fluids
GB9311492D0 (en) Method and apparatus for measuring

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20131209