FR2449881A1 - Analyseurs a rayons infrarouges - Google Patents

Analyseurs a rayons infrarouges

Info

Publication number
FR2449881A1
FR2449881A1 FR8004036A FR8004036A FR2449881A1 FR 2449881 A1 FR2449881 A1 FR 2449881A1 FR 8004036 A FR8004036 A FR 8004036A FR 8004036 A FR8004036 A FR 8004036A FR 2449881 A1 FR2449881 A1 FR 2449881A1
Authority
FR
France
Prior art keywords
infrared ray
sample
ray analyzers
signals
constituents
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.)
Granted
Application number
FR8004036A
Other languages
English (en)
Other versions
FR2449881B1 (fr
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.)
Bayer Corp
Original Assignee
Technicon Instruments 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 Technicon Instruments Corp filed Critical Technicon Instruments Corp
Publication of FR2449881A1 publication Critical patent/FR2449881A1/fr
Application granted granted Critical
Publication of FR2449881B1 publication Critical patent/FR2449881B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
    • 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
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G01N21/274—Calibration, base line adjustment, drift correction
    • G01N21/276—Calibration, base line adjustment, drift correction with alternation of sample and standard in optical path
    • 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
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared 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
    • G01N21/17—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
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)

Abstract

ANALYSEUR A RAYONS INFRAROUGES. ON DETERMINE LA MOYENNE CALCULEE DE FACON SYNCHRONE DE SIGNAUX D'ECHANTILLON ETOU CELLE DE SIGNAUX DE REFERENCE AFIN D'OBTENIR DES VALEURS D'ECHANTILLON ET DE REFERENCE SIMULTANEES. CE PROCESSUS ELIMINE LA DERIVE ET LE RAPPORT SIGNALBRUIT DES MESURES CE QUI PERMET UNE CARACTERISATION PLUS SENSIBLE ET PLUS PRECISE. APPLICATION A L'ANALYSE DES CONSTITUANTS D'UN ECHANTILLON.
FR8004036A 1979-02-26 1980-02-25 Analyseurs a rayons infrarouges Granted FR2449881A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/015,017 US4236076A (en) 1979-02-26 1979-02-26 Infrared analyzer

Publications (2)

Publication Number Publication Date
FR2449881A1 true FR2449881A1 (fr) 1980-09-19
FR2449881B1 FR2449881B1 (fr) 1985-02-15

Family

ID=21769099

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8004036A Granted FR2449881A1 (fr) 1979-02-26 1980-02-25 Analyseurs a rayons infrarouges

Country Status (8)

Country Link
US (1) US4236076A (fr)
JP (1) JPS55156843A (fr)
CA (1) CA1123222A (fr)
DE (1) DE3006421C2 (fr)
DK (1) DK80080A (fr)
FR (1) FR2449881A1 (fr)
GB (1) GB2045426B (fr)
SE (1) SE446910B (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0304233A1 (fr) * 1987-08-18 1989-02-22 Bp Oil International Limited Procédé et dispositif de mesure du seuil de floculation d'un produit pétrolier
FR2619624A1 (fr) * 1987-08-18 1989-02-24 Bp France Procede de determination des indices d'octane d'un melange complexe de carburants ou de constitution d'un tel melange ayant un indice d'octane determine par analyse spectrophotometrique proche infrarouge des constituants du melange
EP0305090A2 (fr) * 1987-08-18 1989-03-01 Bp Oil International Limited Méthode pour la détermination directe de propriétés physiques de produits hydrocarbures
FR2632409A1 (fr) * 1988-06-01 1989-12-08 Bp France Procede de determination des proprietes d'un fioul obtenu a partir d'un melange complexe de bases petrolieres ou de constitution d'un tel produit ayant des proprietes determinees par analyse spectrophotometrique proche infrarouge des constituants du melange
FR2632408A1 (fr) * 1988-06-01 1989-12-08 Bp France Procede de determination des proprietes d'un gazole obtenu a partir d'un melange complexe de bases petrolieres ou de constitution d'un produit fini du type gazole ayant des proprietes determinees par analyse spectrophotometrique proche infrarouge des constituants du melange

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE458724B (sv) * 1981-03-16 1989-04-24 Peter Perten Infraroedanalysator foer relativ maengdbestaemning av visst eller vissa aemnen i ett prov, saerskilt i livsmedel saasom mjoel
US4551627A (en) * 1983-08-01 1985-11-05 Kirin Beer Kabushiki Kaisha Methods and apparatus for detecting residual liquid in containers
JPS6057236A (ja) * 1983-09-09 1985-04-03 Konishiroku Photo Ind Co Ltd 生化学分析における反射濃度測定方法
US4566791A (en) * 1983-10-31 1986-01-28 Pacific Scientific Company Fluid sample cell comprising Fresnel sectors
HU192395B (en) * 1984-02-13 1987-06-29 Gabor Kemeny Optical reflexion concentration meter
JPS61292536A (ja) * 1985-06-21 1986-12-23 Chino Corp 光学的測定方法
US4883963A (en) * 1986-04-28 1989-11-28 Bran+Luebbe Gmbh Optical analysis method and apparatus having programmable rapid random wavelength access
AT395571B (de) * 1986-10-17 1993-01-25 Voest Alpine Eisenbahnsysteme Einrichtung zum erfassen der raeumlichen orientierung von unzulaessig erwaermten stellen von radlagern und/oder radlaufflaechen von schienenfahrzeugen
AT390928B (de) * 1986-10-17 1990-07-25 Voest Alpine Ag Einrichtung zum erfassen von unzulaessig erwaermten radlagern und radreifen von schienenfahrzeugen
AT396778B (de) * 1986-10-17 1993-11-25 Voest Alpine Eisenbahnsysteme Einrichtung zum erfassen von unzulässig erwärmten radlagern und/oder radreifen
FR2611911B1 (fr) * 1987-02-27 1989-06-23 Bp France Procede de determination directe d'un indice d'octane
ES2095205T3 (es) * 1987-08-18 1997-02-16 Bp Oil Int Metodo para la determinacion directa de propiedades fisicas de productos hidrocarbonados.
US5039855A (en) * 1990-03-05 1991-08-13 Bran+Luebbe Analyzing Technologies, Inc. Dual beam acousto-optic tunable spectrometer
SE468334B (sv) † 1991-04-23 1992-12-14 Peter Perten Saett och anordning foer infraroedanalys, speciellt avseende livsmedel
US5258825A (en) * 1991-11-13 1993-11-02 Perten Instruments North America, Inc. Optical compositional analyzer apparatus and method for detection of ash in wheat and milled wheat products
GB9210674D0 (en) * 1992-05-19 1992-07-01 Gersan Ets Method and apparatus for examining an object
US5870185A (en) * 1996-10-21 1999-02-09 C.F.C. Technology, Inc. Apparatus and method for fluid analysis
DE19808164A1 (de) 1998-02-27 1999-09-16 Bran & Luebbe Flüssigkeitsmeßzelle
HU226833B1 (en) * 2005-07-27 2009-12-28 Gabor Takacs Method and apparatus for quantitative measuring based on light intensity measurement
AU2015374335B2 (en) 2014-12-23 2018-03-29 Apple Inc. Optical inspection system and method including accounting for variations of optical path length within a sample
WO2017040431A1 (fr) * 2015-09-01 2017-03-09 Bribbla Dynamics Llc Architectures de commutation de référence pour la détection sans contact de substances
KR102198313B1 (ko) 2016-04-21 2021-01-05 애플 인크. 레퍼런스 스위칭을 위한 광학 시스템
EP3688446A2 (fr) 2017-09-29 2020-08-05 Apple Inc. Architectures d'échantillonnage optique de chemin de résolution
US11226459B2 (en) 2018-02-13 2022-01-18 Apple Inc. Integrated photonics device having integrated edge outcouplers
EP4176304A1 (fr) 2020-09-09 2023-05-10 Apple Inc. Système optique d'atténuation de bruit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4079256A (en) * 1976-01-07 1978-03-14 Perkin-Elmer Limited Ratio-recording spectrophotometer with suppression of uncompensation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL290678A (fr) * 1962-03-28
FR1598834A (fr) * 1968-12-27 1970-07-06
GB1309551A (en) * 1969-05-22 1973-03-14 Nat Res Dev Measurement of optical density
US3641349A (en) * 1969-09-29 1972-02-08 Measurex Corp Method for measuring the amount of substance associated with a base material
US3776642A (en) * 1972-08-01 1973-12-04 Dickey John Corp Grain analysis computer
JPS583073Y2 (ja) * 1975-07-19 1983-01-19 株式会社島津製作所 ブンコウコウドケイ
DE2606675C3 (de) * 1976-02-19 1979-02-22 Vladimir Dipl.-Ing. 5100 Aachen Blazek Anordnung zur spektralanalytischen Untersuchung des Remissionsvermögens einer Probe
JPS6032819B2 (ja) * 1977-02-28 1985-07-30 株式会社島津製作所 吸光度分析装置
US4171909A (en) * 1977-03-25 1979-10-23 Miles Laboratories, Inc. Apparatus for measuring light intensities
JPS54134481A (en) * 1978-04-10 1979-10-18 Hitachi Ltd Automatic rate analysis

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4079256A (en) * 1976-01-07 1978-03-14 Perkin-Elmer Limited Ratio-recording spectrophotometer with suppression of uncompensation

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0304233A1 (fr) * 1987-08-18 1989-02-22 Bp Oil International Limited Procédé et dispositif de mesure du seuil de floculation d'un produit pétrolier
FR2619631A1 (fr) * 1987-08-18 1989-02-24 Bp France Procede et dispositif de mesure du seuil de floculation d'un produit petrolier
FR2619624A1 (fr) * 1987-08-18 1989-02-24 Bp France Procede de determination des indices d'octane d'un melange complexe de carburants ou de constitution d'un tel melange ayant un indice d'octane determine par analyse spectrophotometrique proche infrarouge des constituants du melange
EP0305090A2 (fr) * 1987-08-18 1989-03-01 Bp Oil International Limited Méthode pour la détermination directe de propriétés physiques de produits hydrocarbures
EP0305090A3 (en) * 1987-08-18 1989-07-12 Bp Oil International Limited Method for the direct determination of physical properties of hydrocarbon products
FR2632409A1 (fr) * 1988-06-01 1989-12-08 Bp France Procede de determination des proprietes d'un fioul obtenu a partir d'un melange complexe de bases petrolieres ou de constitution d'un tel produit ayant des proprietes determinees par analyse spectrophotometrique proche infrarouge des constituants du melange
FR2632408A1 (fr) * 1988-06-01 1989-12-08 Bp France Procede de determination des proprietes d'un gazole obtenu a partir d'un melange complexe de bases petrolieres ou de constitution d'un produit fini du type gazole ayant des proprietes determinees par analyse spectrophotometrique proche infrarouge des constituants du melange

Also Published As

Publication number Publication date
DE3006421A1 (de) 1980-09-04
DE3006421C2 (de) 1993-10-14
JPH033177B2 (fr) 1991-01-17
GB2045426B (en) 1983-05-11
JPS55156843A (en) 1980-12-06
CA1123222A (fr) 1982-05-11
DK80080A (da) 1980-08-27
SE8001314L (sv) 1980-08-27
SE446910B (sv) 1986-10-13
GB2045426A (en) 1980-10-29
FR2449881B1 (fr) 1985-02-15
US4236076A (en) 1980-11-25

Similar Documents

Publication Publication Date Title
FR2449881A1 (fr) Analyseurs a rayons infrarouges
US4021117A (en) Process for automatic counting and measurement of particles
US2405133A (en) Method and means for measuring surface roughness
DE3476455D1 (en) Polymer catalyst transducers and use thereof in test kits for analytical methods
FR2413719A1 (fr) Appareil et methode employant un calculateur pour le controle de la qualite de l'analyse hematologique des prelevements
DE202010005871U1 (de) Elektronische Analysevorrichtung
US4121098A (en) Radiation analysis apparatus and method utilizing multi-channel pulse peak voltage discriminator
GB1533268A (en) Fluorescent x-ray sulphur analyser
Lang et al. The baseline, the time characteristics and the slow afterwaves of the motor unit potential
González-Castro et al. Effect of temporal resolution on the accuracy of ADCP measurements
GB1422721A (en) Method of and apparatus for determining counting efficiency in liquid scintillation counting
SU1041871A1 (ru) Устройство дл диагностики подшипников качени
SU432410A1 (ru) Способ цифрового измерения частотыгармонического сигнала в смесис широкополосным шумом
JPS6486059A (en) Ultrasonic measurement system
CN112190263B (zh) 一种用于心理测量的分析系统及其分析方法
SU381052A1 (ru) Способ определения поглощающих свойств горных пород при импульсном акустическом
SU1019311A1 (ru) Устройство дл регистрации сигналов акустической эмиссии
SU711461A1 (ru) Способ определени местоположени источника акустической эмиссии
SU868574A1 (ru) Многоканальное устройство дл определени координат развивающихс дефектов
SU813474A1 (ru) Анализатор случайных процессов
SU851255A1 (ru) Устройство дл измерени харак-ТЕРиСТиК пРипОВЕРХНОСТНОгО АэРиРО-ВАННОгО СлО МОР
SU896559A1 (ru) Устройство дл определени предела текучести материала
Blatter Visual detection of chart-recorded signals in the presence of noise
SU642263A1 (ru) Система дл контрол качества отжига стекла
SU945677A1 (ru) Способ корректировки начала отсчета времени при измерении времени распространени акустических волн в материале

Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
ST Notification of lapse