FI67958C - Foerfarande och anordning foer bestaemning av koncentrationen av en substans som aer bunden till partiklar transporterade i ett stroemmande medium - Google Patents

Foerfarande och anordning foer bestaemning av koncentrationen av en substans som aer bunden till partiklar transporterade i ett stroemmande medium Download PDF

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Publication number
FI67958C
FI67958C FI812276A FI812276A FI67958C FI 67958 C FI67958 C FI 67958C FI 812276 A FI812276 A FI 812276A FI 812276 A FI812276 A FI 812276A FI 67958 C FI67958 C FI 67958C
Authority
FI
Finland
Prior art keywords
radiation
medium
substance
particles
intensity
Prior art date
Application number
FI812276A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI812276L (fi
FI67958B (fi
Inventor
Gerdt Fladda
Egils Kubulnieks
Torulf Pettersson
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 FI812276L publication Critical patent/FI812276L/fi
Application granted granted Critical
Publication of FI67958B publication Critical patent/FI67958B/fi
Publication of FI67958C publication Critical patent/FI67958C/fi

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • 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
    • G01N21/532—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke with measurement of scattering and transmission
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Dispersion Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Sampling And Sample Adjustment (AREA)
FI812276A 1979-11-22 1981-07-21 Foerfarande och anordning foer bestaemning av koncentrationen av en substans som aer bunden till partiklar transporterade i ett stroemmande medium FI67958C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE7909651 1979-11-22
SE7909651 1979-11-22
PCT/SE1980/000295 WO1981001467A1 (en) 1979-11-22 1980-11-21 Method and device for determining the concentration of a substance bound to particles carried by a flowing medium
SE8000295 1980-11-21

Publications (3)

Publication Number Publication Date
FI812276L FI812276L (fi) 1981-07-21
FI67958B FI67958B (fi) 1985-02-28
FI67958C true FI67958C (fi) 1985-06-10

Family

ID=20339372

Family Applications (1)

Application Number Title Priority Date Filing Date
FI812276A FI67958C (fi) 1979-11-22 1981-07-21 Foerfarande och anordning foer bestaemning av koncentrationen av en substans som aer bunden till partiklar transporterade i ett stroemmande medium

Country Status (9)

Country Link
EP (1) EP0039718B1 (cs)
JP (1) JPH0136571B2 (cs)
BR (1) BR8008920A (cs)
CA (1) CA1162074A (cs)
DE (1) DE3070593D1 (cs)
FI (1) FI67958C (cs)
NO (1) NO154675C (cs)
SE (1) SE452513B (cs)
WO (1) WO1981001467A1 (cs)

Families Citing this family (5)

* 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
US4810090A (en) * 1987-08-24 1989-03-07 Cobe Laboratories, Inc. Method and apparatus for monitoring blood components
SE507486C3 (sv) * 1991-09-12 1998-07-13 Valmet Automation Kajaani Ltd Foerfarande och anordning foer maetning av fiberegenskaper med naera-infra-roed-spektroskopi
DE4309328C2 (de) * 1993-03-18 1998-03-12 Volker Ost Verfahren zur Differenzierung, Konzentrationsbestimmung und Sortierung von Erythrozyten, Thrombozyten und Leukozyten
EP4009032A1 (en) 2014-04-21 2022-06-08 Aber Instruments, Inc. Particle sensor with interferent discrimination

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614450A (en) * 1969-02-17 1971-10-19 Measurex Corp Apparatus for measuring the amount of a substance that is associated with a base material
SE387172B (sv) * 1974-08-28 1976-08-30 Svenska Traeforskningsinst Anordning for metning av halten i en strommande vetska befintliga suspenderade emnen
SE405171B (sv) * 1977-05-31 1978-11-20 Svenska Traeforskningsinst Forfarande for koncentrationsbestemning

Also Published As

Publication number Publication date
BR8008920A (pt) 1981-09-01
CA1162074A (en) 1984-02-14
NO154675C (no) 1986-12-03
SE452513B (sv) 1987-11-30
JPH0136571B2 (cs) 1989-08-01
JPS56501539A (cs) 1981-10-22
EP0039718A1 (en) 1981-11-18
WO1981001467A1 (en) 1981-05-28
FI812276L (fi) 1981-07-21
SE8008145L (sv) 1981-05-23
FI67958B (fi) 1985-02-28
EP0039718B1 (en) 1985-05-02
NO812502L (no) 1981-07-21
DE3070593D1 (en) 1985-06-05
NO154675B (no) 1986-08-18

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Legal Events

Date Code Title Description
MA Patent expired

Owner name: SVENSKA TRAEFORSKNINGSINSTITUTET