GB1303702A - - Google Patents

Info

Publication number
GB1303702A
GB1303702A GB837970A GB837970A GB1303702A GB 1303702 A GB1303702 A GB 1303702A GB 837970 A GB837970 A GB 837970A GB 837970 A GB837970 A GB 837970A GB 1303702 A GB1303702 A GB 1303702A
Authority
GB
United Kingdom
Prior art keywords
electrode
concentration
regulator
tower
feb
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
Application number
GB837970A
Other languages
English (en)
Inventor
I Yrjele
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.)
Repola Oy
Original Assignee
Rauma Repola Oy
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 Rauma Repola Oy filed Critical Rauma Repola Oy
Publication of GB1303702A publication Critical patent/GB1303702A/en
Expired 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
    • G01N27/403—Cells and electrode assemblies
    • G01N27/404—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors
    • G01N27/4045—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors for gases other than oxygen
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
    • G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Engineering & Computer Science (AREA)
  • Electrochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Paper (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
GB837970A 1969-02-21 1970-02-20 Expired GB1303702A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI0563/69A FI42766B (enExample) 1969-02-21 1969-02-21

Publications (1)

Publication Number Publication Date
GB1303702A true GB1303702A (enExample) 1973-01-17

Family

ID=8504293

Family Applications (1)

Application Number Title Priority Date Filing Date
GB837970A Expired GB1303702A (enExample) 1969-02-21 1970-02-20

Country Status (6)

Country Link
US (1) US3692624A (enExample)
DE (1) DE2007944C3 (enExample)
FI (1) FI42766B (enExample)
GB (1) GB1303702A (enExample)
NO (1) NO134971C (enExample)
SE (1) SE375018B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3850736A (en) * 1969-01-16 1974-11-26 R Seyl Device for measuring accelerated corrosion rate
US3776832A (en) * 1970-11-10 1973-12-04 Energetics Science Electrochemical detection cell
US4046621A (en) * 1974-12-17 1977-09-06 The Ontario Paper Company Limited Process for treating a slurry of cellulosic material
FI65675C (fi) * 1982-05-12 1984-06-11 Kajaani Oy Elektrodsystem foer voltametriska maetningar
US4533440A (en) * 1983-08-04 1985-08-06 General Electric Company Method for continuous measurement of the sulfite/sulfate ratio
AU6413190A (en) * 1989-09-22 1991-04-18 Blanchard Marketing Services Limited Sensing method and device for aggregation control

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE877681C (de) * 1939-03-18 1953-07-09 Siemens Ag Verfahren zur selbsttaetigen Regelung solcher Zustandsgroessen stroemender Fluessigkeiten, die durch elektrometrische, kalorimetrische oder Leit-faehigkeitsmessungen erfassbar sind, insbesondere von PH-Werten
DE1002144B (de) * 1955-04-06 1957-02-07 Hartmann & Braun Ag Verfahren zur Bestimmung von in Wasser geloesten oxydierenden oder reduzierenden Stoffen
CH431444A (de) * 1964-12-17 1967-08-31 Polymetron Ag Verfahren zur automatischen Konstanthaltung von Bleichmittelkonzentrationen
US3528545A (en) * 1968-08-23 1970-09-15 Gen Signal Corp Chlorine residual controlling system

Also Published As

Publication number Publication date
SE375018B (enExample) 1975-04-07
DE2007944A1 (de) 1970-10-22
US3692624A (en) 1972-09-19
FI42766B (enExample) 1970-06-30
NO134971B (enExample) 1976-10-04
DE2007944C3 (de) 1981-10-22
NO134971C (enExample) 1977-01-12
DE2007944B2 (de) 1979-03-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee