CA2019728C - Safe failure ion selective combination electrode - Google Patents
Safe failure ion selective combination electrodeInfo
- Publication number
- CA2019728C CA2019728C CA002019728A CA2019728A CA2019728C CA 2019728 C CA2019728 C CA 2019728C CA 002019728 A CA002019728 A CA 002019728A CA 2019728 A CA2019728 A CA 2019728A CA 2019728 C CA2019728 C CA 2019728C
- Authority
- CA
- Canada
- Prior art keywords
- electrode
- range
- predetermined safe
- electrical
- electrical output
- 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
Links
- 239000000243 solution Substances 0.000 claims description 24
- 239000012085 test solution Substances 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000007257 malfunction Effects 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 description 28
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910021607 Silver chloride Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 2
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- G01N27/416—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)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Immunology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Emergency Alarm Devices (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US37788789A | 1989-07-10 | 1989-07-10 | |
| US377,887 | 1989-07-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2019728A1 CA2019728A1 (en) | 1991-01-10 |
| CA2019728C true CA2019728C (en) | 1995-01-17 |
Family
ID=23490917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002019728A Expired - Fee Related CA2019728C (en) | 1989-07-10 | 1990-06-25 | Safe failure ion selective combination electrode |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPH0346554A (it) |
| CA (1) | CA2019728C (it) |
| DE (1) | DE4021853C2 (it) |
| FR (1) | FR2649486A1 (it) |
| GB (1) | GB2233768B (it) |
| IT (1) | IT1240484B (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6148196B2 (ja) | 2014-03-31 | 2017-06-14 | 株式会社クボタ | 作業機の油圧システム |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4331198Y1 (it) * | 1965-03-04 | 1968-12-18 | ||
| JPS4838890B1 (it) * | 1968-12-16 | 1973-11-20 | ||
| GB1337544A (en) * | 1969-12-19 | 1973-11-14 | Ple Sey Co Ltd | Fluid testing apparatus |
| US3661748A (en) * | 1970-04-07 | 1972-05-09 | Instrumentation Labor Inc | Fault sensing instrumentation |
| GB1368823A (en) * | 1972-05-10 | 1974-10-02 | Activion Glass Ltd | Ion-responsive electrodes |
| DE2706942A1 (de) * | 1976-03-17 | 1977-09-29 | Owens Illinois Inc | Kombinationselektrode |
| US4039933A (en) * | 1976-03-25 | 1977-08-02 | Instrumentation Laboratory, Inc. | Continuous calibration system and method for analytical instruments |
| US4189367A (en) * | 1978-10-19 | 1980-02-19 | Leeds & Northrup Company | Method for testing ion selective electrodes in continuous measuring systems |
| JPS58178410A (ja) * | 1982-04-14 | 1983-10-19 | Fuji Electric Co Ltd | 警報回路 |
| DE3516018A1 (de) * | 1985-05-02 | 1986-12-18 | Holger 1000 Berlin Kruse | Tragbares geraet zur feststellung der magenfunktion auf der grundlage der magensaeure |
| US4822456A (en) * | 1987-06-05 | 1989-04-18 | Bryan Avron I | Ion measuring apparatus and monitoring system |
| US4900422A (en) * | 1988-07-05 | 1990-02-13 | Bryan Avron I | System for monitoring and reporting the operability and calibration status of a dissolved oxygen sensor |
-
1990
- 1990-06-25 CA CA002019728A patent/CA2019728C/en not_active Expired - Fee Related
- 1990-06-28 JP JP2171284A patent/JPH0346554A/ja active Pending
- 1990-07-09 DE DE4021853A patent/DE4021853C2/de not_active Expired - Fee Related
- 1990-07-09 IT IT67507A patent/IT1240484B/it active IP Right Grant
- 1990-07-10 FR FR9008768A patent/FR2649486A1/fr not_active Withdrawn
- 1990-07-10 GB GB9015209A patent/GB2233768B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| IT9067507A0 (it) | 1990-07-09 |
| FR2649486A1 (fr) | 1991-01-11 |
| IT1240484B (it) | 1993-12-17 |
| DE4021853A1 (de) | 1991-01-24 |
| JPH0346554A (ja) | 1991-02-27 |
| GB9015209D0 (en) | 1990-08-29 |
| DE4021853C2 (de) | 1995-03-09 |
| CA2019728A1 (en) | 1991-01-10 |
| IT9067507A1 (it) | 1992-01-09 |
| GB2233768B (en) | 1994-01-05 |
| GB2233768A (en) | 1991-01-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |