DE3217987C2 - - Google Patents
Info
- Publication number
- DE3217987C2 DE3217987C2 DE19823217987 DE3217987A DE3217987C2 DE 3217987 C2 DE3217987 C2 DE 3217987C2 DE 19823217987 DE19823217987 DE 19823217987 DE 3217987 A DE3217987 A DE 3217987A DE 3217987 C2 DE3217987 C2 DE 3217987C2
- Authority
- DE
- Germany
- Prior art keywords
- reaction
- chamber
- measuring
- measurement
- ions
- 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 - Lifetime
Links
- 238000006243 chemical reaction Methods 0.000 claims description 59
- 238000005259 measurement Methods 0.000 claims description 21
- 150000002500 ions Chemical class 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 150000001768 cations Chemical class 0.000 claims description 10
- 239000007795 chemical reaction product Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 9
- 239000003014 ion exchange membrane Substances 0.000 claims description 6
- 150000001450 anions Chemical class 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 238000004458 analytical method Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 238000004445 quantitative analysis Methods 0.000 claims description 2
- 239000012459 cleaning agent Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000004448 titration Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- -1 for example Chemical class 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 4
- 239000011575 calcium Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 150000004681 metal hydrides Chemical class 0.000 description 1
- 238000001139 pH measurement Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000012088 reference solution Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1813—Specific cations in water, e.g. heavy metals
-
- 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
- G01N27/28—Electrolytic cell components
- G01N27/40—Semi-permeable membranes or partitions
-
- 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
- G01N27/42—Measuring deposition or liberation of materials from an electrolyte; Coulometry, i.e. measuring coulomb-equivalent of material in an electrolyte
- G01N27/44—Measuring deposition or liberation of materials from an electrolyte; Coulometry, i.e. measuring coulomb-equivalent of material in an electrolyte using electrolysis to generate a reagent, e.g. for titration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/182—Specific anions in water
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19823217987 DE3217987A1 (de) | 1982-05-13 | 1982-05-13 | Verfahren und vorrichtung zum quantitativen analysieren von ionenkonzentrationen in waessrigen loesungen, wie waessern aller art |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19823217987 DE3217987A1 (de) | 1982-05-13 | 1982-05-13 | Verfahren und vorrichtung zum quantitativen analysieren von ionenkonzentrationen in waessrigen loesungen, wie waessern aller art |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3217987A1 DE3217987A1 (de) | 1983-11-17 |
| DE3217987C2 true DE3217987C2 (enrdf_load_stackoverflow) | 1991-06-20 |
Family
ID=6163464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19823217987 Granted DE3217987A1 (de) | 1982-05-13 | 1982-05-13 | Verfahren und vorrichtung zum quantitativen analysieren von ionenkonzentrationen in waessrigen loesungen, wie waessern aller art |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3217987A1 (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29820171U1 (de) * | 1998-09-23 | 2000-02-03 | WTW Wissenschaftlich-Technische Werkstätten GmbH, 82362 Weilheim | Wasser- und Abwasseranalysevorrichtung |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3633842A1 (de) * | 1986-10-04 | 1988-04-14 | Kernforschungsanlage Juelich | Verfahren zur analyse von wasser sowie vorrichtung zur durchfuehrung dieses verfahrens |
| DE3707815A1 (de) * | 1987-03-09 | 1988-09-22 | Ulrich Pilz | Verfahren zur bestimmung des chemischen sauerstoffbedarfs von wasser |
| JP3169831B2 (ja) * | 1995-11-30 | 2001-05-28 | 株式会社荏原製作所 | 水中の陰イオンの検出装置 |
| GB2337056A (en) * | 1996-11-21 | 1999-11-10 | Enviros Monitors Limited | PH altering device and method |
| WO1998022813A1 (en) * | 1996-11-21 | 1998-05-28 | Enviros Monitors Limited | pH ALTERING DEVICE AND METHOD |
| AU2829300A (en) * | 1999-03-24 | 2000-10-09 | Ebara Corporation | Method and apparatus for detecting negative ion in water |
| KR100590573B1 (ko) | 2004-12-17 | 2006-06-19 | 삼성전자주식회사 | 전기분해 장치를 포함하는 미세유동장치를 이용한 ｐＨ조절 방법 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL297498A (enrdf_load_stackoverflow) * | 1962-09-05 | |||
| AT316901B (de) * | 1971-02-01 | 1974-08-12 | Heinzgert Ammer | Verfahren zur Bestimmung des pH-Wertes in wässerigen Lösungen, Rohwasser oder aufbereitetem und entsalztem Wasser |
| GB1481509A (en) * | 1973-07-18 | 1977-08-03 | Nat Res Dev | Ion selective electrodes and in methods of measuring the concentrations of ions |
| GB2058409A (en) * | 1979-09-07 | 1981-04-08 | Nat Res Dev | Controlling ph or ion concentration of a stream |
-
1982
- 1982-05-13 DE DE19823217987 patent/DE3217987A1/de active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29820171U1 (de) * | 1998-09-23 | 2000-02-03 | WTW Wissenschaftlich-Technische Werkstätten GmbH, 82362 Weilheim | Wasser- und Abwasseranalysevorrichtung |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3217987A1 (de) | 1983-11-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8139 | Disposal/non-payment of the annual fee | ||
| 8170 | Reinstatement of the former position | ||
| 8110 | Request for examination paragraph 44 | ||
| 8125 | Change of the main classification |
Ipc: G01N 33/18 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |