AU4956585A - Concentration meter - Google Patents

Concentration meter

Info

Publication number
AU4956585A
AU4956585A AU49565/85A AU4956585A AU4956585A AU 4956585 A AU4956585 A AU 4956585A AU 49565/85 A AU49565/85 A AU 49565/85A AU 4956585 A AU4956585 A AU 4956585A AU 4956585 A AU4956585 A AU 4956585A
Authority
AU
Australia
Prior art keywords
concentration meter
meter
concentration
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
AU49565/85A
Other versions
AU590223B2 (en
Inventor
David John Boldiston
Lawrence Walter Cahill
Erich Stumpf
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.)
AUSTRALIAN NEWSPRINT MILLS Ltd
APM Ltd
Original Assignee
AUSTRALIAN NEWSPRINT MILLS Ltd
APM Ltd
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 AUSTRALIAN NEWSPRINT MILLS Ltd, APM Ltd filed Critical AUSTRALIAN NEWSPRINT MILLS Ltd
Publication of AU4956585A publication Critical patent/AU4956585A/en
Application granted granted Critical
Publication of AU590223B2 publication Critical patent/AU590223B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/21—Polarisation-affecting properties
    • 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
    • G01N21/3577—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing liquids, e.g. polluted water
    • 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
    • G01J1/1626—Arrangements with two photodetectors, the signals of which are compared
    • G01J2001/1636—Arrangements with two photodetectors, the signals of which are compared one detector directly monitoring the source, e.g. also impulse time controlling
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/069—Supply of sources
    • G01N2201/0696—Pulsed
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/12—Circuits of general importance; Signal processing
    • G01N2201/126—Microprocessor processing

Landscapes

  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Air Bags (AREA)
  • Drying Of Semiconductors (AREA)
AU49565/85A 1984-09-26 1985-09-25 Concentration meter Ceased AU590223B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPG734884 1984-09-26
AUPG7348 1984-09-26

Publications (2)

Publication Number Publication Date
AU4956585A true AU4956585A (en) 1986-04-17
AU590223B2 AU590223B2 (en) 1989-11-02

Family

ID=3770775

Family Applications (1)

Application Number Title Priority Date Filing Date
AU49565/85A Ceased AU590223B2 (en) 1984-09-26 1985-09-25 Concentration meter

Country Status (3)

Country Link
EP (1) EP0231179A1 (en)
AU (1) AU590223B2 (en)
WO (1) WO1986002162A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0262138A1 (en) * 1985-06-10 1988-04-06 Chemtronics Ab Method for measuring the fibre and filler concentration in the wet end of a paper machine and a control system using the method
GB8625530D0 (en) * 1986-10-24 1986-11-26 Goodall D M Optical apparatus
SE463118B (en) * 1988-02-26 1990-10-08 Btg Kaelle Inventing Ab PROCEDURE AND DEVICE FOR DETERMINING THE CONCENTRATION OF A SUBSTANCE CONNECTED TO PARTICLES IN A FLOWING MEDIUM
DE69012837T2 (en) * 1989-07-10 1995-02-23 Fladda Gerdt H MEASURING DEVICE.
SE507486C3 (en) * 1991-09-12 1998-07-13 Valmet Automation Kajaani Ltd Method and apparatus for saturating fiber properties with near-infrared spectroscopy
DE19826294C1 (en) 1998-06-12 2000-02-10 Glukomeditech Ag Polarimetric method for determining the (main) vibration plane of polarized light at about 0.1 m DEG and miniaturizable device for its implementation
CN102187201B (en) 2008-09-05 2013-05-22 美卓自动化有限公司 Determining the amount of starch
US9562861B2 (en) * 2011-04-05 2017-02-07 Nalco Company Method of monitoring macrostickies in a recycling and paper or tissue making process involving recycled pulp
CN102305728B (en) * 2011-08-22 2013-03-13 湖南长天自控工程有限公司 Branch pipe overflow pulp density online sampling measuring device
CN102590055B (en) * 2012-02-08 2013-10-23 杨英杰 Online measuring device of primary air pulverized coal density of boiler
GB2605630A (en) 2021-04-08 2022-10-12 Plankton Analytics Ltd A flow cell and use thereof

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3283644A (en) * 1962-11-27 1966-11-08 Du Pont Apparatus for determining the concentration of dispersed particulate solids in liquids
CH441814A (en) * 1965-07-23 1967-08-15 Papirind Forskningsinst Method for the continuous determination of the concentration of fiber suspensions
US3612689A (en) * 1967-04-10 1971-10-12 American Standard Inc Suspended particle concentration determination using polarized light
US3640626A (en) * 1968-11-12 1972-02-08 American Standard Inc Measuring of the concentration of solid particles suspended in various regions in a fluid using polarized light
US3600094A (en) * 1968-11-12 1971-08-17 American Standard Inc Suspended solids concentration measurement using circular polarized light
US3612688A (en) * 1968-11-13 1971-10-12 American Standard Inc Suspended organic particles monitor using circularly polarized light
US3724957A (en) * 1971-03-04 1973-04-03 Yokogawa Electric Works Ltd Concentration measuring apparatus
SU381720A1 (en) * 1971-06-21 1973-05-22 METHOD OF CONTROL OF FIBER CONTENT IN REVERSIBLE
US4171916A (en) * 1977-11-18 1979-10-23 Ishikawajima-Harima Heavy Industries Co., Ltd. Apparatus and method for measuring the consistency of a pulp suspension
DE2944113A1 (en) * 1979-10-31 1981-05-14 Arno Dipl.-Phys. Dr. 7900 Ulm Müller METHOD AND DEVICE FOR THE QUANTITATIVE ABSOLUTE DETERMINATION OF OPTICALLY ACTIVE SUBSTANCES
SE453016B (en) * 1981-11-25 1988-01-04 Bergstrom Per Hakan Sture METHOD FOR SATURING THE CONCENTRATION OF PARTICLES TRANSPORTED BY A FLUID THROUGH A PIPE

Also Published As

Publication number Publication date
AU590223B2 (en) 1989-11-02
WO1986002162A1 (en) 1986-04-10
EP0231179A1 (en) 1987-08-12

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