FI930940A0 - Samtidig kontroll av flera prestationsindikatorer vid vattenbehandling - Google Patents

Samtidig kontroll av flera prestationsindikatorer vid vattenbehandling

Info

Publication number
FI930940A0
FI930940A0 FI930940A FI930940A FI930940A0 FI 930940 A0 FI930940 A0 FI 930940A0 FI 930940 A FI930940 A FI 930940A FI 930940 A FI930940 A FI 930940A FI 930940 A0 FI930940 A0 FI 930940A0
Authority
FI
Finland
Prior art keywords
vattenbehandling
prestationsindikatorer
samtidig
flera
kontroll
Prior art date
Application number
FI930940A
Other languages
English (en)
Other versions
FI930940A (fi
Inventor
John Richardson
Gary G Engstrom
John Arthur Kelly
Larry M Kye
Mark D Brickhouse
Scott J Kahle
Kenneth J Schlager
Original Assignee
Grace W R & Co
Biotronics Tech Inc
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 Grace W R & Co, Biotronics Tech Inc filed Critical Grace W R & Co
Publication of FI930940A0 publication Critical patent/FI930940A0/fi
Publication of FI930940A publication Critical patent/FI930940A/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
    • G01N21/25—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18—Water
    • G01N33/1813—Specific cations in water, e.g. heavy metals
    • 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
    • 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
    • G01N21/8507—Probe photometers, i.e. with optical measuring part dipped into fluid sample
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18—Water
    • G01N33/182—Specific anions in water
    • 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
    • G01N2201/129—Using chemometrical methods

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)
  • Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
FI930940A 1992-03-04 1993-03-03 Samtidig kontroll av flera prestationsindikatorer vid vattenbehandling FI930940A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/845,889 US5242602A (en) 1992-03-04 1992-03-04 Spectrophotometric monitoring of multiple water treatment performance indicators using chemometrics

Publications (2)

Publication Number Publication Date
FI930940A0 true FI930940A0 (fi) 1993-03-03
FI930940A FI930940A (fi) 1993-09-05

Family

ID=25296335

Family Applications (1)

Application Number Title Priority Date Filing Date
FI930940A FI930940A (fi) 1992-03-04 1993-03-03 Samtidig kontroll av flera prestationsindikatorer vid vattenbehandling

Country Status (16)

Country Link
US (1) US5242602A (fi)
EP (1) EP0559305A2 (fi)
JP (1) JPH0666718A (fi)
KR (1) KR930020163A (fi)
CN (1) CN1046031C (fi)
AU (1) AU669687B2 (fi)
BR (1) BR9300730A (fi)
CA (1) CA2090820C (fi)
FI (1) FI930940A (fi)
MY (1) MY131304A (fi)
NZ (1) NZ245904A (fi)
PH (1) PH29905A (fi)
SG (1) SG46421A1 (fi)
TR (1) TR27811A (fi)
TW (1) TW237517B (fi)
ZA (1) ZA931218B (fi)

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US5550630A (en) * 1993-03-19 1996-08-27 The United States Of America As Represented By The Secretary Of Agriculture Spectrophotometric method for structural analysis of organic compounds, polymers, nucleotides and peptides
US5340468A (en) * 1993-03-31 1994-08-23 Hawthorne Treatment Systems, Inc. System for controlling addition of lime to reduce water alkalinity
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Also Published As

Publication number Publication date
BR9300730A (pt) 1993-09-08
NZ245904A (en) 1995-03-28
KR930020163A (ko) 1993-10-19
AU3319793A (en) 1993-09-09
EP0559305A3 (fi) 1995-07-05
ZA931218B (en) 1993-09-17
CN1079301A (zh) 1993-12-08
EP0559305A2 (en) 1993-09-08
TR27811A (tr) 1995-08-29
AU669687B2 (en) 1996-06-20
US5242602A (en) 1993-09-07
TW237517B (fi) 1995-01-01
CA2090820C (en) 2002-05-07
CN1046031C (zh) 1999-10-27
PH29905A (en) 1996-09-16
SG46421A1 (en) 1998-02-20
FI930940A (fi) 1993-09-05
CA2090820A1 (en) 1993-09-05
JPH0666718A (ja) 1994-03-11
MY131304A (en) 2007-08-30

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