FI58697C - Foerfarande foer koncentrationsbestaemning - Google Patents

Foerfarande foer koncentrationsbestaemning Download PDF

Info

Publication number
FI58697C
FI58697C FI763445A FI763445A FI58697C FI 58697 C FI58697 C FI 58697C FI 763445 A FI763445 A FI 763445A FI 763445 A FI763445 A FI 763445A FI 58697 C FI58697 C FI 58697C
Authority
FI
Finland
Prior art keywords
light
signal
voltage
medium
square
Prior art date
Application number
FI763445A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI58697B (fi
FI763445A (xx
Inventor
Torulf Pettersson
Gerdt Fladda
Lennart Eriksson
Original Assignee
Svenska Traeforskningsinst
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 Svenska Traeforskningsinst filed Critical Svenska Traeforskningsinst
Publication of FI763445A publication Critical patent/FI763445A/fi
Publication of FI58697B publication Critical patent/FI58697B/fi
Application granted granted Critical
Publication of FI58697C publication Critical patent/FI58697C/fi

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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
FI763445A 1975-12-01 1976-11-30 Foerfarande foer koncentrationsbestaemning FI58697C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7513524 1975-12-01
SE7513524A SE393864B (sv) 1975-12-01 1975-12-01 Forfarande for koncentrationsbestemning

Publications (3)

Publication Number Publication Date
FI763445A FI763445A (xx) 1977-06-02
FI58697B FI58697B (fi) 1980-11-28
FI58697C true FI58697C (fi) 1981-03-10

Family

ID=20326205

Family Applications (1)

Application Number Title Priority Date Filing Date
FI763445A FI58697C (fi) 1975-12-01 1976-11-30 Foerfarande foer koncentrationsbestaemning

Country Status (8)

Country Link
US (1) US4110044A (xx)
JP (1) JPS5275483A (xx)
CA (1) CA1074147A (xx)
DE (1) DE2654155A1 (xx)
FI (1) FI58697C (xx)
FR (1) FR2334097A1 (xx)
GB (1) GB1568247A (xx)
SE (1) SE393864B (xx)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7806922L (sv) * 1978-06-15 1979-12-16 Svenska Traeforskningsinst Forfarande och anordning for att indikera storleksfordelningen av i ett strommande medium befintliga partiklar
SE7905294L (sv) * 1979-06-15 1980-12-16 Svenska Traeforskningsinst Stoftmetning
US4408880A (en) * 1981-09-22 1983-10-11 Chugai Seiyaku Kabushiki Kaisha Laser nephelometric system
SE453128B (sv) * 1981-10-01 1988-01-11 Svenska Traeforskningsinst Forfarande for att bestemma medelpartikelradie och/eller medelpartikellengd
EP0135362B1 (en) * 1983-08-12 1990-04-11 COLE, Martin Terence Optical smoke detectors
JPS60103400U (ja) * 1983-12-21 1985-07-15 株式会社　セピヤ 電熱便座シ−ト
SE442247B (sv) * 1984-02-14 1985-12-09 Svenska Traeforskningsinst Anordning for att i en suspension med atminstone tva typer av suspenderade emnen var for sig meta halten av varje emnestyp
DE3412620A1 (de) * 1984-04-04 1985-10-17 Basf Ag, 6700 Ludwigshafen Laseroptische anordnung zur messung des dispergiergrades in stroemenden systemen
US4710643A (en) * 1986-08-08 1987-12-01 Marine Moisture Control Company, Inc. Method and apparatus for determining the degree of purity of a liquid
US4986660A (en) * 1989-04-21 1991-01-22 The Electron Machine Corporation Stock consistency transmitter
DE69033872T2 (de) * 1989-07-10 2002-11-21 Gerdt Heinrich Fladda Messgerät und Verfahren
US5293049A (en) * 1991-05-01 1994-03-08 Alliedsignal Inc. Aerosol discriminator for particle discrimination
US5444531A (en) * 1994-05-20 1995-08-22 Honeywell Inc. Sensor with led current control for use in machines for washing articles
SE503386C2 (sv) * 1994-09-30 1996-06-03 Skogsind Tekn Foskningsinst Förfarande vid bestämning av mängden fyllmedel i papper
US5940178A (en) * 1996-07-03 1999-08-17 Beckman Instruments, Inc. Nephelometer and turbidimeter combination
DE19711494C1 (de) * 1997-03-19 1998-10-15 Ulrich Prof Dr Ing Riebel Verfahren zur Partikelgrößenmessung
US7782459B2 (en) * 2007-09-24 2010-08-24 Process Metrix Laser-based apparatus and method for measuring agglomerate concentration and mean agglomerate size
US9677988B1 (en) 2015-07-10 2017-06-13 David E. Doggett Integrating radiation collection and detection apparatus
US9316577B1 (en) 2015-07-10 2016-04-19 David E. Doggett Oscillatory particle analyzer
US9366617B1 (en) 2015-07-10 2016-06-14 David E. Doggett Self-stirring container
US10187948B1 (en) * 2018-05-31 2019-01-22 Pixart Imaging Inc. Light control circuit and optical encoder system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE485155C (de) * 1927-05-14 1929-12-28 Hugo Stintzing Dr Verfahren und Einrichtung zum automatischen Nachweis, Messung und Zaehlung von Einzelteilchen beliebiger Art, Form und Groesse
US3094625A (en) * 1959-11-06 1963-06-18 Cornell Aeromautical Lab Inc Photoelectric apparatus for measuring the size of particles
DE1286313B (de) * 1962-10-12 1969-01-02 Berthold Anwendung eines optischen Analysenverfahrens zur Bestimmung und Regelung des Faserstoffgehaltes von Faserstoffsuspensionen unterhalb 2% atro
FR1419813A (fr) * 1964-10-20 1965-12-03 Dispositif d'analyse et de contrôle des pâtes à papiers en suspension
US3498719A (en) * 1965-02-18 1970-03-03 Continental Can Co Photoelectric consistency indicator for pulp
US3461030A (en) * 1965-10-22 1969-08-12 Beloit Corp Determination of fiber characteristics in paper making
DE1598831C3 (de) * 1967-03-18 1973-11-29 Metrawatt Gmbh, 8500 Nuernberg Trubungsmesser mit Kontrollvorrich tung
US3659946A (en) * 1969-12-10 1972-05-02 Shimadzu Corp Automated light scattering photometer
GB1316752A (en) * 1970-02-12 1973-05-16 Atomic Energy Authority Uk Apparatus for analysing suspended particles
US3713743A (en) * 1970-11-25 1973-01-30 Agricultural Control Syst Forward scatter optical turbidimeter apparatus
US3724957A (en) * 1971-03-04 1973-04-03 Yokogawa Electric Works Ltd Concentration measuring apparatus
DE2134937C2 (de) * 1971-07-13 1982-08-05 Bio-Physics Systems, Inc., Baldwin Place, N.Y. Verfahren und Vorrichtung zum Erfassen von in einer Flüssigkeit suspendierten Teilchen
JPS5418596B2 (xx) * 1971-09-07 1979-07-09
US3858851A (en) * 1973-07-05 1975-01-07 Prototron Ass Apparatus for providing a statistical count of particulate material in a fluid

Also Published As

Publication number Publication date
JPS5275483A (en) 1977-06-24
FI58697B (fi) 1980-11-28
JPS5734898B2 (xx) 1982-07-26
FI763445A (xx) 1977-06-02
GB1568247A (en) 1980-05-29
FR2334097A1 (fr) 1977-07-01
SE393864B (sv) 1977-06-20
FR2334097B1 (xx) 1980-07-25
CA1074147A (en) 1980-03-25
US4110044A (en) 1978-08-29
DE2654155A1 (de) 1977-06-02
SE7513524L (sv) 1977-06-02

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Owner name: SVENSKA TRAEFORSKNINGSINSTITUTET