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 acidesInfo
- 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
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)
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3219556A (en) * | 1961-12-26 | 1965-11-23 | Beckman Instruments Inc | Ion measurement apparatus and method |
-
0
- NL NL134818D patent/NL134818C/xx active
-
1963
- 1963-07-03 US US292670A patent/US3329587A/en not_active Expired - Lifetime
-
1964
- 1964-04-17 GB GB16034/64A patent/GB1011177A/en not_active Expired
- 1964-05-06 DE DEA45975A patent/DE1291919B/de not_active Withdrawn
- 1964-05-27 BE BE648470D patent/BE648470A/xx unknown
- 1964-06-11 FR FR977980A patent/FR1398472A/fr not_active Expired
- 1964-06-25 NL NL6407221A patent/NL6407221A/xx unknown
- 1964-07-01 CH CH861264A patent/CH460389A/de unknown
- 1964-07-03 SE SE8123/64A patent/SE310078B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1291919B (de) | 1969-04-03 |
US3329587A (en) | 1967-07-04 |
NL134818C (fr) | |
NL6407221A (fr) | 1965-01-04 |
BE648470A (fr) | 1964-09-16 |
GB1011177A (en) | 1965-11-24 |
SE310078B (fr) | 1969-04-14 |
CH460389A (de) | 1968-07-31 |
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