DE2647308C3 - Verfahren und Vorrichtung zur Bestimmung der Konzentration einer Analysensubstanz - Google Patents
Verfahren und Vorrichtung zur Bestimmung der Konzentration einer AnalysensubstanzInfo
- Publication number
- DE2647308C3 DE2647308C3 DE2647308A DE2647308A DE2647308C3 DE 2647308 C3 DE2647308 C3 DE 2647308C3 DE 2647308 A DE2647308 A DE 2647308A DE 2647308 A DE2647308 A DE 2647308A DE 2647308 C3 DE2647308 C3 DE 2647308C3
- Authority
- DE
- Germany
- Prior art keywords
- titrant
- sample chamber
- conductivity
- measuring
- chamber
- 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 description 22
- 238000004458 analytical method Methods 0.000 title claims description 18
- 238000000034 method Methods 0.000 title claims description 18
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 29
- 239000001569 carbon dioxide Substances 0.000 claims description 14
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 14
- 239000003513 alkali Substances 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 8
- 239000001913 cellulose Substances 0.000 claims description 7
- 229920002678 cellulose Polymers 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000012491 analyte Substances 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 23
- 239000002023 wood Substances 0.000 description 11
- 238000005259 measurement Methods 0.000 description 10
- 235000011121 sodium hydroxide Nutrition 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000004448 titration Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 229920005610 lignin Polymers 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000010411 cooking Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 229910052979 sodium sulfide Inorganic materials 0.000 description 3
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000589614 Pseudomonas stutzeri Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 238000005406 washing Methods 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
- G01N27/08—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid which is flowing continuously
- G01N27/10—Investigation or analysis specially adapted for controlling or monitoring operations or for signalling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
- G01N31/162—Determining the equivalent point by means of a discontinuity
- G01N31/164—Determining the equivalent point by means of a discontinuity by electrical or electrochemical means
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/629,859 US4012197A (en) | 1975-11-07 | 1975-11-07 | Titration apparatus and method therefor |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2647308A1 DE2647308A1 (de) | 1977-05-18 |
| DE2647308B2 DE2647308B2 (de) | 1979-11-08 |
| DE2647308C3 true DE2647308C3 (de) | 1980-07-24 |
Family
ID=24524792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2647308A Expired DE2647308C3 (de) | 1975-11-07 | 1976-10-20 | Verfahren und Vorrichtung zur Bestimmung der Konzentration einer Analysensubstanz |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US4012197A (enExample) |
| JP (2) | JPS5258990A (enExample) |
| CA (1) | CA1046913A (enExample) |
| CH (1) | CH604165A5 (enExample) |
| DE (1) | DE2647308C3 (enExample) |
| FI (1) | FI67667C (enExample) |
| FR (1) | FR2331022A1 (enExample) |
| GB (1) | GB1513608A (enExample) |
| SE (1) | SE437303B (enExample) |
| ZA (1) | ZA762965B (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4963229A (en) * | 1985-07-02 | 1990-10-16 | International Paper Company | System and method for continuous measurement of pulp consistency in a blowline of a continuous pulp digester |
| FI80526C (fi) * | 1986-09-08 | 1990-06-11 | Savcor Consulting Oy | Foerfarande foer styrning av cellulosakok. |
| US5518933A (en) * | 1989-03-10 | 1996-05-21 | Unitika Ltd. | Method of analyzing washings for free acids and ions |
| US4929314A (en) * | 1989-07-07 | 1990-05-29 | The Dow Chemical Company | Coulometric titrator apparatus and method |
| CA2216046A1 (en) * | 1997-09-18 | 1999-03-18 | Kenneth Boegh | In-line sensor for colloidal and dissolved substances |
| RU2234698C1 (ru) * | 2003-05-20 | 2004-08-20 | Государственное образовательное учреждение Воронежская государственная технологическая академия | Метод определения щелочности пищевых и непищевых веществ |
| CN101688845B (zh) * | 2007-03-30 | 2013-10-16 | Socpra科学工程研究与应用产品市场化公司 | 监测和/或控制在医疗过程中使用的粘合剂的固化的方法和装置 |
| CN106179546B (zh) * | 2016-07-19 | 2018-07-13 | 大连理工大学 | 一种具有特异构型微通道的poct芯片 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2977199A (en) * | 1956-12-31 | 1961-03-28 | Ind Rayon Corp | Method for the continuous testing of flowing materials |
| US2989377A (en) * | 1959-03-02 | 1961-06-20 | Standard Oil Co | Method and apparatus for automatic titration and process control |
| US3308041A (en) * | 1961-12-05 | 1967-03-07 | Beckman Instruments Inc | Method and apparatus for titration |
| US3160477A (en) * | 1962-01-29 | 1964-12-08 | American Insutrument Company I | Thermometric titrating apparatus |
| US3290116A (en) * | 1963-02-27 | 1966-12-06 | Phillips Petroleum Co | Calorimetric analysis for control of catalytic polymerization reactions |
| US3625655A (en) * | 1969-12-02 | 1971-12-07 | Texaco Inc | Acid analyzer |
| SE377348B (enExample) * | 1972-07-14 | 1975-06-30 | Mo Och Domsjoe Ab | |
| US3950137A (en) * | 1972-08-18 | 1976-04-13 | Illinois State Water Survey Of The Department Of Registration And Education | Apparatus for measuring the presence of a weak acid or a weak base in a liquid |
| US3904370A (en) * | 1973-10-15 | 1975-09-09 | Itt | Method for controlling a claus process |
-
1975
- 1975-11-07 US US05/629,859 patent/US4012197A/en not_active Expired - Lifetime
-
1976
- 1976-05-18 ZA ZA762965A patent/ZA762965B/xx unknown
- 1976-09-29 GB GB40399/76A patent/GB1513608A/en not_active Expired
- 1976-10-04 CA CA262,608A patent/CA1046913A/en not_active Expired
- 1976-10-20 DE DE2647308A patent/DE2647308C3/de not_active Expired
- 1976-11-01 CH CH1375476A patent/CH604165A5/xx not_active IP Right Cessation
- 1976-11-02 FR FR7633004A patent/FR2331022A1/fr active Granted
- 1976-11-05 SE SE7612375A patent/SE437303B/xx not_active IP Right Cessation
- 1976-11-05 FI FI763182A patent/FI67667C/fi not_active IP Right Cessation
- 1976-11-08 JP JP51134007A patent/JPS5258990A/ja active Pending
-
1977
- 1977-03-03 US US05/774,157 patent/US4104028A/en not_active Expired - Lifetime
-
1980
- 1980-03-13 JP JP1980033121U patent/JPS5828215Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55137364U (enExample) | 1980-09-30 |
| US4012197A (en) | 1977-03-15 |
| JPS5258990A (en) | 1977-05-14 |
| FI67667C (fi) | 1987-12-02 |
| US4104028A (en) | 1978-08-01 |
| DE2647308B2 (de) | 1979-11-08 |
| FR2331022A1 (fr) | 1977-06-03 |
| SE437303B (sv) | 1985-02-18 |
| CH604165A5 (enExample) | 1978-08-31 |
| FI763182A7 (enExample) | 1977-05-08 |
| FR2331022B1 (enExample) | 1979-03-09 |
| GB1513608A (en) | 1978-06-07 |
| DE2647308A1 (de) | 1977-05-18 |
| FI67667B (fi) | 1985-01-31 |
| SE7612375L (sv) | 1977-05-08 |
| ZA762965B (en) | 1977-04-27 |
| JPS5828215Y2 (ja) | 1983-06-20 |
| CA1046913A (en) | 1979-01-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) |