WO1996014569A3 - Detector for chemical analysis - Google Patents

Detector for chemical analysis Download PDF

Info

Publication number
WO1996014569A3
WO1996014569A3 PCT/GB1995/002604 GB9502604W WO9614569A3 WO 1996014569 A3 WO1996014569 A3 WO 1996014569A3 GB 9502604 W GB9502604 W GB 9502604W WO 9614569 A3 WO9614569 A3 WO 9614569A3
Authority
WO
WIPO (PCT)
Prior art keywords
detector
chemical analysis
radiation detector
chemical
tri
Prior art date
Application number
PCT/GB1995/002604
Other languages
French (fr)
Other versions
WO1996014569A2 (en
Inventor
Moyra Mcnaughton
Original Assignee
Cognitive Solutions Ltd
Moyra Mcnaughton
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 Cognitive Solutions Ltd, Moyra Mcnaughton filed Critical Cognitive Solutions Ltd
Priority to AU38487/95A priority Critical patent/AU3848795A/en
Publication of WO1996014569A2 publication Critical patent/WO1996014569A2/en
Publication of WO1996014569A3 publication Critical patent/WO1996014569A3/en

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
    • G01N21/17—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
    • 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
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/645—Specially adapted constructive features of fluorimeters
    • 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
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • G01N2021/3155—Measuring in two spectral ranges, e.g. UV and visible
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/05—Flow-through cuvettes
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (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)
  • Spectroscopy & Molecular Physics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Optical Measuring Cells (AREA)

Abstract

A tri-state detector which may be used for chemical analysis of flowing streams has a flow cell, light source, radiation detector and a micro-electrode chemical detector; the radiation detector being, for example, a Fourier Transform UV/visible spectrometer.
PCT/GB1995/002604 1994-11-05 1995-11-06 Detector for chemical analysis WO1996014569A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU38487/95A AU3848795A (en) 1994-11-05 1995-11-06 Detector for chemical analysis

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9422392.2 1994-11-05
GB9422392A GB9422392D0 (en) 1994-11-05 1994-11-05 Detector for chemical analysis

Publications (2)

Publication Number Publication Date
WO1996014569A2 WO1996014569A2 (en) 1996-05-17
WO1996014569A3 true WO1996014569A3 (en) 1996-08-22

Family

ID=10763985

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1995/002604 WO1996014569A2 (en) 1994-11-05 1995-11-06 Detector for chemical analysis

Country Status (3)

Country Link
AU (1) AU3848795A (en)
GB (1) GB9422392D0 (en)
WO (1) WO1996014569A2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7390669B2 (en) * 2000-02-24 2008-06-24 Georgia Tech Research Corporation Simultaneous and rapid determination of multiple component concentrations in a Kraft liquor process stream
DE10128449B4 (en) 2001-06-12 2004-07-15 Robert Bosch Gmbh Device and method for testing a material
JP2006078414A (en) * 2004-09-13 2006-03-23 Alps Electric Co Ltd Plate for examination
GB2460265A (en) * 2008-05-23 2009-11-25 Univ Dublin City Detection assembly
GB201120769D0 (en) 2011-12-02 2012-01-11 Biochrom Ltd Improvements in and relating to devices for recieving liquid samples
CN103207254B (en) * 2013-03-13 2014-08-27 杭州纽蓝科技有限公司 Reflecting ultraviolet-visible absorption and fluorescence integrated flow cell
US10184892B2 (en) 2014-10-29 2019-01-22 Horiba Instruments Incorporated Determination of water treatment parameters based on absorbance and fluorescence
US10823673B2 (en) 2016-11-23 2020-11-03 Ysi, Inc. Dual function fluorometer-absorbance sensor
CN109142253B (en) * 2018-10-19 2021-08-31 中国科学院大连化学物理研究所 Liquid phase reaction dynamic spectrum and electrochemical spectrum synchronous measuring device and method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860818A (en) * 1972-04-27 1975-01-14 Texas Instruments Inc Atmospheric pollution monitor
US4888295A (en) * 1984-03-02 1989-12-19 The United States Of America As Represented By The United States Department Of Energy Portable system and method combining chromatography and array of electrochemical sensors
EP0365815A1 (en) * 1988-10-14 1990-05-02 Nalco Chemical Company Continuous on-stream monitoring of cooling tower water
EP0559305A2 (en) * 1992-03-04 1993-09-08 W.R. Grace & Co.-Conn. Simultaneous monitoring of multiple water treatment performance indicators
DE4234466A1 (en) * 1992-10-13 1994-04-14 Henkel Kgaa Method for determining the concentration of an active substance containing a tracer in active substance solutions
US5304800A (en) * 1992-11-10 1994-04-19 Nalco Chemical Company Leak detection and responsive treatment in industrial water processes
US5328851A (en) * 1986-08-04 1994-07-12 Solomon Zaromb High-throughput liquid-absorption preconcentrator sampling methods

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860818A (en) * 1972-04-27 1975-01-14 Texas Instruments Inc Atmospheric pollution monitor
US4888295A (en) * 1984-03-02 1989-12-19 The United States Of America As Represented By The United States Department Of Energy Portable system and method combining chromatography and array of electrochemical sensors
US5328851A (en) * 1986-08-04 1994-07-12 Solomon Zaromb High-throughput liquid-absorption preconcentrator sampling methods
EP0365815A1 (en) * 1988-10-14 1990-05-02 Nalco Chemical Company Continuous on-stream monitoring of cooling tower water
EP0559305A2 (en) * 1992-03-04 1993-09-08 W.R. Grace & Co.-Conn. Simultaneous monitoring of multiple water treatment performance indicators
DE4234466A1 (en) * 1992-10-13 1994-04-14 Henkel Kgaa Method for determining the concentration of an active substance containing a tracer in active substance solutions
US5304800A (en) * 1992-11-10 1994-04-19 Nalco Chemical Company Leak detection and responsive treatment in industrial water processes

Also Published As

Publication number Publication date
WO1996014569A2 (en) 1996-05-17
AU3848795A (en) 1996-05-31
GB9422392D0 (en) 1995-01-04

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