SE9303149D0 - A new method for detecting substances in a liquid - Google Patents

A new method for detecting substances in a liquid

Info

Publication number
SE9303149D0
SE9303149D0 SE9303149A SE9303149A SE9303149D0 SE 9303149 D0 SE9303149 D0 SE 9303149D0 SE 9303149 A SE9303149 A SE 9303149A SE 9303149 A SE9303149 A SE 9303149A SE 9303149 D0 SE9303149 D0 SE 9303149D0
Authority
SE
Sweden
Prior art keywords
liquid
wavelength
refractive index
substances
new method
Prior art date
Application number
SE9303149A
Other languages
Swedish (sv)
Other versions
SE503289C2 (en
SE9303149L (en
Inventor
Anders Hanning
Original Assignee
Anders Hanning
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 Anders Hanning filed Critical Anders Hanning
Priority to SE9303149A priority Critical patent/SE503289C2/en
Publication of SE9303149D0 publication Critical patent/SE9303149D0/en
Priority to PCT/SE1994/000887 priority patent/WO1995009355A1/en
Priority to AU78259/94A priority patent/AU7825994A/en
Priority to EP94929070A priority patent/EP0721580A1/en
Priority to JP7510250A priority patent/JPH09503064A/en
Publication of SE9303149L publication Critical patent/SE9303149L/en
Publication of SE503289C2 publication Critical patent/SE503289C2/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
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/4133—Refractometers, e.g. differential
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/62—Detectors specially adapted therefor
    • G01N30/74—Optical detectors

Abstract

In a method of determining the concentration of substances in a liquid, the substances are first separated through liquid chromatography or capillary electrophoresis, and subsequently detected by monitoring the refractive index of the liquid flow at more than one wavelength, and the detection step comprises quantitative evaluation of the variation with wavelength of the refractive index, said quantitative evaluation comprising calculation of the difference, differential, or derivative of the refractive index with respect to wavelength, or integration, principal component analysis, PLS (partial least squares), factor analysis, or curve fitting.
SE9303149A 1993-09-28 1993-09-28 Ways to determine the concentration of substances in a liquid SE503289C2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE9303149A SE503289C2 (en) 1993-09-28 1993-09-28 Ways to determine the concentration of substances in a liquid
PCT/SE1994/000887 WO1995009355A1 (en) 1993-09-28 1994-09-26 A new method of detecting substances in a liquid
AU78259/94A AU7825994A (en) 1993-09-28 1994-09-26 A new method of detecting substances in a liquid
EP94929070A EP0721580A1 (en) 1993-09-28 1994-09-26 A new method of detecting substances in a liquid
JP7510250A JPH09503064A (en) 1993-09-28 1994-09-26 A new method for detecting substances in liquids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9303149A SE503289C2 (en) 1993-09-28 1993-09-28 Ways to determine the concentration of substances in a liquid

Publications (3)

Publication Number Publication Date
SE9303149D0 true SE9303149D0 (en) 1993-09-28
SE9303149L SE9303149L (en) 1995-03-29
SE503289C2 SE503289C2 (en) 1996-05-13

Family

ID=20391230

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9303149A SE503289C2 (en) 1993-09-28 1993-09-28 Ways to determine the concentration of substances in a liquid

Country Status (5)

Country Link
EP (1) EP0721580A1 (en)
JP (1) JPH09503064A (en)
AU (1) AU7825994A (en)
SE (1) SE503289C2 (en)
WO (1) WO1995009355A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19540456C2 (en) * 1995-10-30 1997-10-09 Buschmann Johannes Method of measuring glucose concentration in a liquid and use of the method
US5870185A (en) * 1996-10-21 1999-02-09 C.F.C. Technology, Inc. Apparatus and method for fluid analysis
US7200494B2 (en) 2001-10-30 2007-04-03 Hitachi, Ltd. Method and apparatus for chromatographic data processing
US6748333B1 (en) 1999-09-27 2004-06-08 Hitachi, Ltd. Method and apparatus for chromatographic data processing, and chromatograph
JP2004016609A (en) 2002-06-19 2004-01-22 Omron Healthcare Co Ltd Method and apparatus for measuring concentration of bodily fluid component
GB0415882D0 (en) * 2004-07-15 2004-08-18 Univ Southampton Optical sensors
US10156520B2 (en) * 2013-06-07 2018-12-18 Malvern Panalytical Limited Array based sample characterization
CN112147098B (en) * 2020-11-03 2024-01-16 安徽大学 Gas type and concentration detection system based on anomalous dispersion effect
CN117214125B (en) * 2023-11-09 2024-01-26 南京盛略科技有限公司 Liquid component detection system and method based on detection optical fiber

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL66127A (en) * 1982-06-24 1987-11-30 Israel State Method and apparatus for measuring the index of refraction of fluids
US4704029A (en) * 1985-12-26 1987-11-03 Research Corporation Blood glucose monitor

Also Published As

Publication number Publication date
SE503289C2 (en) 1996-05-13
AU7825994A (en) 1995-04-18
WO1995009355A1 (en) 1995-04-06
JPH09503064A (en) 1997-03-25
EP0721580A1 (en) 1996-07-17
SE9303149L (en) 1995-03-29

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