GB2310717B - Quantitative detection of chemical species - Google Patents

Quantitative detection of chemical species

Info

Publication number
GB2310717B
GB2310717B GB9711721A GB9711721A GB2310717B GB 2310717 B GB2310717 B GB 2310717B GB 9711721 A GB9711721 A GB 9711721A GB 9711721 A GB9711721 A GB 9711721A GB 2310717 B GB2310717 B GB 2310717B
Authority
GB
United Kingdom
Prior art keywords
chemical species
quantitative detection
quantitative
detection
species
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
GB9711721A
Other versions
GB2310717A (en
GB9711721D0 (en
Inventor
Mark Johnson
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.)
United Utilities PLC
Original Assignee
United Utilities 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 GBGB9424922.4A external-priority patent/GB9424922D0/en
Priority claimed from GBGB9502683.7A external-priority patent/GB9502683D0/en
Application filed by United Utilities PLC filed Critical United Utilities PLC
Publication of GB9711721D0 publication Critical patent/GB9711721D0/en
Publication of GB2310717A publication Critical patent/GB2310717A/en
Application granted granted Critical
Publication of GB2310717B publication Critical patent/GB2310717B/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
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/631—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited using photolysis and investigating photolysed fragments
    • 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/1717—Systems in which incident light is modified in accordance with the properties of the material investigated with a modulation of one or more physical properties of the sample during the optical investigation, e.g. electro-reflectance
    • 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
    • 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
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated

Landscapes

  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
GB9711721A 1994-12-09 1995-12-08 Quantitative detection of chemical species Expired - Fee Related GB2310717B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9424922.4A GB9424922D0 (en) 1994-12-09 1994-12-09 Quantitive detection of chemical species
GBGB9502683.7A GB9502683D0 (en) 1995-02-11 1995-02-11 Quantative detection of chemical species
PCT/GB1995/002862 WO1996018096A1 (en) 1994-12-09 1995-12-08 Quantitative detection of chemical species

Publications (3)

Publication Number Publication Date
GB9711721D0 GB9711721D0 (en) 1997-08-06
GB2310717A GB2310717A (en) 1997-09-03
GB2310717B true GB2310717B (en) 1999-04-07

Family

ID=26306141

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9711721A Expired - Fee Related GB2310717B (en) 1994-12-09 1995-12-08 Quantitative detection of chemical species

Country Status (3)

Country Link
AU (1) AU4120996A (en)
GB (1) GB2310717B (en)
WO (1) WO1996018096A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19738566C2 (en) * 1997-09-04 1999-07-29 Karlsruhe Forschzent Method and device for identifying active substances
ITBO20010644A1 (en) * 2001-10-19 2003-04-19 Tecnologie Dinamiche S A S Di DEVICE FOR THE DETECTION OF THE PRESENCE OF CHLORINE IN DUCTED FLUIDS ALONG A DUCT
US7002670B2 (en) 2002-06-12 2006-02-21 Baxter International Inc. Optical sensor and method for measuring concentration of a chemical constituent using its intrinsic optical absorbance
US10746653B2 (en) 2011-04-26 2020-08-18 Ecolab Usa Inc. Fluid property determination based on partial least squares analysis
DE102014106489A1 (en) * 2014-05-08 2015-11-12 B. Braun Avitum Ag Device and device control method for the quantitative determination of the concentration of selected substances filtered out of a patient's body in a liquid
US10816528B2 (en) 2014-09-23 2020-10-27 Maytronics Ltd. Multi parameter swimming pool fluid analysis and regulating method and device
CN108181252A (en) * 2018-02-09 2018-06-19 广东贝特涞生物科技有限公司 Disinfectant detection device, adding set and adding method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4023905A (en) * 1975-12-29 1977-05-17 Britton Chance Flash photolysis split beam spectrophotometer
WO1986004673A1 (en) * 1985-02-08 1986-08-14 Rijksuniversiteit Leiden A method and a spectrometer for measuring absorbance difference spectra of radical reactions
JPS62228145A (en) * 1986-03-29 1987-10-07 Shimadzu Corp Ultraviolet type organic substance measuring apparatus
US5298428A (en) * 1990-02-12 1994-03-29 United States Department Of Energy Self-referencing spectrophotometric measurements

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4023905A (en) * 1975-12-29 1977-05-17 Britton Chance Flash photolysis split beam spectrophotometer
WO1986004673A1 (en) * 1985-02-08 1986-08-14 Rijksuniversiteit Leiden A method and a spectrometer for measuring absorbance difference spectra of radical reactions
JPS62228145A (en) * 1986-03-29 1987-10-07 Shimadzu Corp Ultraviolet type organic substance measuring apparatus
US5298428A (en) * 1990-02-12 1994-03-29 United States Department Of Energy Self-referencing spectrophotometric measurements

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Patent Abstracts of Japan, vol. 012, no. 095 (P-681), & JP 62 228 145 A *

Also Published As

Publication number Publication date
GB2310717A (en) 1997-09-03
WO1996018096A1 (en) 1996-06-13
GB9711721D0 (en) 1997-08-06
AU4120996A (en) 1996-06-26

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Legal Events

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

Effective date: 20111208