FR1398472A - Perfectionnements apportés aux procédés et dispositifs pour mesurer l'activité fluorure dans des solutions aqueuses acides - Google Patents

Perfectionnements apportés aux procédés et dispositifs pour mesurer l'activité fluorure dans des solutions aqueuses acides

Info

Publication number
FR1398472A
FR1398472A FR977980A FR977980A FR1398472A FR 1398472 A FR1398472 A FR 1398472A FR 977980 A FR977980 A FR 977980A FR 977980 A FR977980 A FR 977980A FR 1398472 A FR1398472 A FR 1398472A
Authority
FR
France
Prior art keywords
methods
devices
aqueous solutions
acidic aqueous
fluoride activity
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
FR977980A
Other languages
English (en)
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.)
Henkel Corp
Original Assignee
Amchem Products 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 Amchem Products Inc filed Critical Amchem Products Inc
Application granted granted Critical
Publication of FR1398472A publication Critical patent/FR1398472A/fr
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
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
    • C23C22/77—Controlling or regulating of the coating process
    • 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
    • G01N27/49—Systems involving the determination of the current at a single specific value, or small range of values, of applied voltage for producing selective measurement of one or more particular ionic species

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Molecular Biology (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
FR977980A 1963-07-03 1964-06-11 Perfectionnements apportés aux procédés et dispositifs pour mesurer l'activité fluorure dans des solutions aqueuses acides Expired FR1398472A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US292670A US3329587A (en) 1963-07-03 1963-07-03 Method and apparatus for measuring fluoride activity

Publications (1)

Publication Number Publication Date
FR1398472A true FR1398472A (fr) 1965-05-07

Family

ID=23125676

Family Applications (1)

Application Number Title Priority Date Filing Date
FR977980A Expired FR1398472A (fr) 1963-07-03 1964-06-11 Perfectionnements apportés aux procédés et dispositifs pour mesurer l'activité fluorure dans des solutions aqueuses acides

Country Status (8)

Country Link
US (1) US3329587A (fr)
BE (1) BE648470A (fr)
CH (1) CH460389A (fr)
DE (1) DE1291919B (fr)
FR (1) FR1398472A (fr)
GB (1) GB1011177A (fr)
NL (2) NL6407221A (fr)
SE (1) SE310078B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1585057A (en) * 1976-06-28 1981-02-25 Ici Ltd Sensing concentration of coating solution
JPS6043491A (ja) * 1983-08-19 1985-03-08 Nippon Denso Co Ltd 鉄鋼表面に燐酸塩化成被膜を形成する方法
US5011715A (en) * 1988-12-20 1991-04-30 Henkel Corporation Two stage method for operating autodeposition bath
KR100197145B1 (ko) * 1989-12-19 1999-06-15 후지이 히로시 금속표면의 인산아연 처리방법
JP2915233B2 (ja) * 1993-02-12 1999-07-05 日本ペイント株式会社 燐酸亜鉛処理液の活性度測定方法及び燐酸亜鉛処理液の活性度管理方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3219556A (en) * 1961-12-26 1965-11-23 Beckman Instruments Inc Ion measurement apparatus and method

Also Published As

Publication number Publication date
CH460389A (de) 1968-07-31
NL6407221A (fr) 1965-01-04
SE310078B (fr) 1969-04-14
US3329587A (en) 1967-07-04
GB1011177A (en) 1965-11-24
BE648470A (fr) 1964-09-16
DE1291919B (de) 1969-04-03
NL134818C (fr)

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