CA1072184A - Apparatus and method for detecting a substance in a fluid medium - Google Patents
Apparatus and method for detecting a substance in a fluid mediumInfo
- Publication number
- CA1072184A CA1072184A CA227,037A CA227037A CA1072184A CA 1072184 A CA1072184 A CA 1072184A CA 227037 A CA227037 A CA 227037A CA 1072184 A CA1072184 A CA 1072184A
- Authority
- CA
- Canada
- Prior art keywords
- fluid medium
- meter
- probe
- amplifier
- control device
- 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
- 239000000126 substance Substances 0.000 title claims abstract description 34
- 239000012530 fluid Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title abstract description 4
- 239000000523 sample Substances 0.000 claims abstract description 33
- 238000011084 recovery Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 230000010363 phase shift Effects 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 17
- 229910052709 silver Inorganic materials 0.000 description 10
- 239000004332 silver Substances 0.000 description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000283220 Odobenus rosmarus Species 0.000 description 1
- 241001296096 Probles Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229940000425 combination drug Drugs 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 150000003378 silver Chemical class 0.000 description 1
- 239000010959 steel Substances 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
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
-
- 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
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/045—Circuits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/22—Measuring resistance of fluids
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US47671474A | 1974-06-05 | 1974-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1072184A true CA1072184A (en) | 1980-02-19 |
Family
ID=23892957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA227,037A Expired CA1072184A (en) | 1974-06-05 | 1975-05-15 | Apparatus and method for detecting a substance in a fluid medium |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS513699A (enExample) |
| AU (1) | AU8137075A (enExample) |
| BE (1) | BE829484A (enExample) |
| BR (1) | BR7503558A (enExample) |
| CA (1) | CA1072184A (enExample) |
| CH (1) | CH594883A5 (enExample) |
| DE (1) | DE2524841A1 (enExample) |
| ES (1) | ES438279A1 (enExample) |
| FR (1) | FR2274043A1 (enExample) |
| GB (2) | GB1513783A (enExample) |
| IT (1) | IT1038395B (enExample) |
| NL (1) | NL7506326A (enExample) |
| SE (1) | SE7505893L (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4370885A (en) * | 1979-01-16 | 1983-02-01 | Alekhin S | Method for controlling the dispersing of solids in drilling mud |
| JP2742107B2 (ja) * | 1989-09-22 | 1998-04-22 | 株式会社神戸製鋼所 | フラックス入りワイヤ用金属原料 |
| GB2270395B (en) * | 1992-09-02 | 1996-11-06 | Honeywell Control Syst | Water purification system |
-
1975
- 1975-05-09 GB GB19526/75A patent/GB1513783A/en not_active Expired
- 1975-05-09 GB GB2913/78A patent/GB1516085A/en not_active Expired
- 1975-05-15 CA CA227,037A patent/CA1072184A/en not_active Expired
- 1975-05-16 FR FR7516251A patent/FR2274043A1/fr not_active Withdrawn
- 1975-05-21 AU AU81370/75A patent/AU8137075A/en not_active Expired
- 1975-05-23 IT IT23653/75A patent/IT1038395B/it active
- 1975-05-23 SE SE7505893A patent/SE7505893L/xx unknown
- 1975-05-26 BE BE156706A patent/BE829484A/xx unknown
- 1975-05-28 NL NL7506326A patent/NL7506326A/xx not_active Application Discontinuation
- 1975-05-28 JP JP50063981A patent/JPS513699A/ja active Pending
- 1975-05-28 CH CH682475A patent/CH594883A5/xx not_active IP Right Cessation
- 1975-06-04 DE DE19752524841 patent/DE2524841A1/de active Pending
- 1975-06-05 ES ES438279A patent/ES438279A1/es not_active Expired
- 1975-06-06 BR BR4563/75D patent/BR7503558A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL7506326A (nl) | 1975-12-09 |
| DE2524841A1 (de) | 1976-01-02 |
| JPS513699A (enExample) | 1976-01-13 |
| BE829484A (fr) | 1975-09-15 |
| GB1516085A (en) | 1978-06-28 |
| GB1513783A (en) | 1978-06-07 |
| AU8137075A (en) | 1976-11-25 |
| ES438279A1 (es) | 1977-01-01 |
| FR2274043A1 (fr) | 1976-01-02 |
| IT1038395B (it) | 1979-11-20 |
| BR7503558A (pt) | 1976-05-25 |
| CH594883A5 (enExample) | 1978-01-31 |
| SE7505893L (sv) | 1975-12-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |