FR2100206A5 - - Google Patents

Info

Publication number
FR2100206A5
FR2100206A5 FR7124352A FR7124352A FR2100206A5 FR 2100206 A5 FR2100206 A5 FR 2100206A5 FR 7124352 A FR7124352 A FR 7124352A FR 7124352 A FR7124352 A FR 7124352A FR 2100206 A5 FR2100206 A5 FR 2100206A5
Authority
FR
France
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
FR7124352A
Other languages
French (fr)
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.)
Volkswagen AG
Original Assignee
Volkswagen AG
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 Volkswagen AG filed Critical Volkswagen AG
Application granted granted Critical
Publication of FR2100206A5 publication Critical patent/FR2100206A5/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2499—Mixture condition maintaining or sensing
    • Y10T137/2509—By optical or chemical property

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
FR7124352A 1970-07-03 1971-07-02 Expired FR2100206A5 (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2032991A DE2032991B2 (de) 1970-07-03 1970-07-03 Vorrichtung zur Messung des Leitwertes von chemischen Bädern mit hoher Azidität oder Alkalität

Publications (1)

Publication Number Publication Date
FR2100206A5 true FR2100206A5 (https=) 1972-03-17

Family

ID=5775712

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7124352A Expired FR2100206A5 (https=) 1970-07-03 1971-07-02

Country Status (3)

Country Link
US (1) US3768499A (https=)
DE (1) DE2032991B2 (https=)
FR (1) FR2100206A5 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2526973A1 (fr) * 1982-05-12 1983-11-18 Framatome Sa Procede et dispositif de reglage du ph de l'eau de refroidissement d'un reacteur nucleaire a eau sous pression

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060717A (en) * 1975-10-30 1977-11-29 Leco Corporation Acid tester
DE3417848A1 (de) * 1984-05-14 1985-11-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Verfahren zur beurteilung, ueberwachung und/oder regelung von fluoridhaltigen baedern zur behandlung von glaesern
DE3708009A1 (de) * 1987-03-12 1988-09-22 Wella Ag Vorrichtung zum behandeln von haar mittels einer fluessigkeit in einem umwaelzverfahren
US6584989B2 (en) 2001-04-17 2003-07-01 International Business Machines Corporation Apparatus and method for wet cleaning

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2526973A1 (fr) * 1982-05-12 1983-11-18 Framatome Sa Procede et dispositif de reglage du ph de l'eau de refroidissement d'un reacteur nucleaire a eau sous pression
EP0094884A1 (fr) * 1982-05-12 1983-11-23 Framatome Procédé et dispositif de réglage du pH de l'eau de refroidissement d'un réacteur nucléaire à eau sous pression

Also Published As

Publication number Publication date
DE2032991B2 (de) 1975-10-16
DE2032991A1 (de) 1972-01-05
US3768499A (en) 1973-10-30

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Legal Events

Date Code Title Description
ST Notification of lapse