DE69128373D1 - Verbessertes pH- und Konzentrationsmeter - Google Patents

Verbessertes pH- und Konzentrationsmeter

Info

Publication number
DE69128373D1
DE69128373D1 DE69128373T DE69128373T DE69128373D1 DE 69128373 D1 DE69128373 D1 DE 69128373D1 DE 69128373 T DE69128373 T DE 69128373T DE 69128373 T DE69128373 T DE 69128373T DE 69128373 D1 DE69128373 D1 DE 69128373D1
Authority
DE
Germany
Prior art keywords
improved
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.)
Expired - Fee Related
Application number
DE69128373T
Other languages
English (en)
Other versions
DE69128373T2 (de
Inventor
Steven West
Laura Brockway
Thomas Paquette
Loren Somes
Paul Sydlowski
Chin-I Shyr
Christopher Mcintire
Jeffrey S Cohen
James Barbookles
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.)
Thermo Orion Inc
Original Assignee
Orion Research 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 Orion Research Inc filed Critical Orion Research Inc
Application granted granted Critical
Publication of DE69128373D1 publication Critical patent/DE69128373D1/de
Publication of DE69128373T2 publication Critical patent/DE69128373T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/28—Electrolytic cell components
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/4163—Systems checking the operation of, or calibrating, the measuring apparatus
    • G01N27/4165—Systems checking the operation of, or calibrating, the measuring apparatus for pH meters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
DE69128373T 1990-05-10 1991-05-06 Verbessertes pH- und Konzentrationsmeter Expired - Fee Related DE69128373T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/521,731 US5108578A (en) 1990-05-10 1990-05-10 Ph and concentration meter

Publications (2)

Publication Number Publication Date
DE69128373D1 true DE69128373D1 (de) 1998-01-22
DE69128373T2 DE69128373T2 (de) 1998-06-18

Family

ID=24077906

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69128373T Expired - Fee Related DE69128373T2 (de) 1990-05-10 1991-05-06 Verbessertes pH- und Konzentrationsmeter

Country Status (4)

Country Link
US (1) US5108578A (de)
EP (1) EP0456154B1 (de)
JP (1) JPH05126781A (de)
DE (1) DE69128373T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5804971A (en) * 1996-03-01 1998-09-08 Nomadics, Inc. Modular card based meter
US6836332B2 (en) * 2001-09-25 2004-12-28 Tennessee Scientific, Inc. Instrument and method for testing fluid characteristics
DE102009024937A1 (de) 2009-06-08 2010-12-09 Braatz, Udo, Dr. Verfahren und Anordnung zur Bestimmung von Flüssigkeitsparametern
DE102009027401A1 (de) 2009-07-01 2010-02-18 Basf Se Verfahren der Abtrennung von Acrylsäure aus dem Produktgasgemisch einer heterogen katalysierten partiellen Gasphasenoxidation wenigstens einer C3-Vorläuferverbindung
DE102010001228A1 (de) 2010-01-26 2011-02-17 Basf Se Verfahren der Abtrennung von Acrylsäure aus dem Produktgasgemisch einer heterogen katalysierten partiellen Gasphasenoxidation wenigstens einer C3-Vorläuferverbindung
WO2011000808A2 (de) * 2009-07-01 2011-01-06 Basf Se Verfahren der abtrennung von acrylsäure aus dem produktgasgemisch einer heterogen katalysierten partiellen gasphasenoxidation wenigstens einer c3-vorläuferverbindung
US9851337B2 (en) * 2013-12-06 2017-12-26 The University Of Akron Universal water condition monitoring device
US9776940B2 (en) 2015-08-07 2017-10-03 Basf Se Process for production of acrylic acid

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7906843U1 (de) * 1979-11-08 Dipl.-Ing. Ulrich Knick Elektronische Messgeraete, 1000 Berlin Meßgerät
DE8216206U1 (de) * 1982-10-14 Dipl.Ing. Ulrich Knick Elektronische Meßgeräte GmbH & Co, 1000 Berlin Köcher für Meßsonden, insbesondere pH-Meßelektroden
US3902982A (en) * 1973-03-31 1975-09-02 New Cosmos Electric Co Apparatus for measuring residual chlorine
US4090925A (en) * 1976-08-09 1978-05-23 J & M Instruments Corp. PH measuring instrument and method
US4225410A (en) * 1978-12-04 1980-09-30 Technicon Instruments Corporation Integrated array of electrochemical sensors
DE2937227C2 (de) * 1979-09-14 1982-09-23 Dipl.Ing. Ulrich Knick Elektronische Meßgeräte GmbH & Co, 1000 Berlin Verfahren zum Eichen eines elektrometrischen pH-Meßgeräts und eine Vorrichtung zur Durchführung des Verfahrens
US4618929A (en) * 1983-05-04 1986-10-21 Akron City Hospital Portable circuit and method for performing a time study and analysis of bodily ionic characteristics
AT395482B (de) * 1987-08-20 1993-01-25 Avl Verbrennungskraft Messtech Verfahren zur bestimmung einer physikalischen oder chemischen messgroesse
US4912417A (en) * 1989-02-21 1990-03-27 Fisher Scientific Company Measurement of pH and specific ion concentration

Also Published As

Publication number Publication date
EP0456154B1 (de) 1997-12-10
JPH05126781A (ja) 1993-05-21
EP0456154A3 (en) 1992-01-08
US5108578A (en) 1992-04-28
DE69128373T2 (de) 1998-06-18
EP0456154A2 (de) 1991-11-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee