DE2356965A1 - Verfahren zur bestimmung der konzentrationen von flussaeure- und wasserstoffionen in waessrigen loesungen starker saeuren und elektrode zur durchfuehrung des verfahrens - Google Patents
Verfahren zur bestimmung der konzentrationen von flussaeure- und wasserstoffionen in waessrigen loesungen starker saeuren und elektrode zur durchfuehrung des verfahrensInfo
- Publication number
- DE2356965A1 DE2356965A1 DE19732356965 DE2356965A DE2356965A1 DE 2356965 A1 DE2356965 A1 DE 2356965A1 DE 19732356965 DE19732356965 DE 19732356965 DE 2356965 A DE2356965 A DE 2356965A DE 2356965 A1 DE2356965 A1 DE 2356965A1
- Authority
- DE
- Germany
- Prior art keywords
- electrode
- membrane
- solution
- cation
- transition zone
- 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.)
- Pending
Links
- 239000002253 acid Substances 0.000 title claims description 41
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title claims description 33
- 238000000034 method Methods 0.000 title claims description 27
- 239000001257 hydrogen Substances 0.000 title claims description 20
- 229910052739 hydrogen Inorganic materials 0.000 title claims description 20
- 150000007513 acids Chemical class 0.000 title claims description 17
- 239000007864 aqueous solution Substances 0.000 title claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical class [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title description 5
- 239000012528 membrane Substances 0.000 claims description 44
- 239000000243 solution Substances 0.000 claims description 35
- -1 hydrogen ions Chemical class 0.000 claims description 25
- 230000007704 transition Effects 0.000 claims description 20
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- 230000002378 acidificating effect Effects 0.000 claims description 11
- 150000003839 salts Chemical class 0.000 claims description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- 235000011164 potassium chloride Nutrition 0.000 claims description 7
- 239000001103 potassium chloride Substances 0.000 claims description 7
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 claims description 6
- 229910001508 alkali metal halide Inorganic materials 0.000 claims description 5
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 3
- 229910001615 alkaline earth metal halide Inorganic materials 0.000 claims description 3
- 150000001768 cations Chemical class 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical group S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 3
- 150000008045 alkali metal halides Chemical class 0.000 claims description 2
- 238000005341 cation exchange Methods 0.000 claims 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 1
- 238000005554 pickling Methods 0.000 description 23
- 238000005259 measurement Methods 0.000 description 21
- 238000011088 calibration curve Methods 0.000 description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 18
- 239000007788 liquid Substances 0.000 description 15
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 10
- 150000002500 ions Chemical class 0.000 description 10
- 229910021645 metal ion Inorganic materials 0.000 description 9
- 239000003929 acidic solution Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 229910052804 chromium Inorganic materials 0.000 description 6
- 239000011651 chromium Substances 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- 229910052700 potassium Inorganic materials 0.000 description 4
- 239000012085 test solution Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- RPAJSBKBKSSMLJ-DFWYDOINSA-N (2s)-2-aminopentanedioic acid;hydrochloride Chemical class Cl.OC(=O)[C@@H](N)CCC(O)=O RPAJSBKBKSSMLJ-DFWYDOINSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000012482 calibration solution Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 239000000539 dimer Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 150000002222 fluorine compounds Chemical class 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- BDJXVNRFAQSMAA-UHFFFAOYSA-N quinhydrone Chemical compound OC1=CC=C(O)C=C1.O=C1C=CC(=O)C=C1 BDJXVNRFAQSMAA-UHFFFAOYSA-N 0.000 description 2
- 229940052881 quinhydrone Drugs 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005115 demineralization Methods 0.000 description 1
- 230000002328 demineralizing effect Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 238000000909 electrodialysis Methods 0.000 description 1
- 238000005370 electroosmosis Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000004313 potentiometry Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000012088 reference solution Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical group OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- BYMUNNMMXKDFEZ-UHFFFAOYSA-K trifluorolanthanum Chemical compound F[La](F)F BYMUNNMMXKDFEZ-UHFFFAOYSA-K 0.000 description 1
Classifications
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1488872 | 1972-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2356965A1 true DE2356965A1 (de) | 1974-05-22 |
Family
ID=20299834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732356965 Pending DE2356965A1 (de) | 1972-11-16 | 1973-11-15 | Verfahren zur bestimmung der konzentrationen von flussaeure- und wasserstoffionen in waessrigen loesungen starker saeuren und elektrode zur durchfuehrung des verfahrens |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS4983492A (enrdf_load_stackoverflow) |
| AU (1) | AU6250373A (enrdf_load_stackoverflow) |
| BR (1) | BR7309005D0 (enrdf_load_stackoverflow) |
| DE (1) | DE2356965A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2208532A5 (enrdf_load_stackoverflow) |
| NL (1) | NL7315762A (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5827865B2 (ja) * | 1978-10-06 | 1983-06-11 | 住友金属工業株式会社 | 水素イオンおよびフツ化水素酸濃度測定装置 |
| DE3413905A1 (de) * | 1984-04-13 | 1985-10-24 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur ueberwachung fluoridhaltiger baeder zur oberflaechenbehandlung von metallen |
| DE3417848A1 (de) * | 1984-05-14 | 1985-11-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München | Verfahren zur beurteilung, ueberwachung und/oder regelung von fluoridhaltigen baedern zur behandlung von glaesern |
| GB2273780B (en) * | 1992-12-22 | 1996-07-17 | British Nuclear Fuels Plc | The determination of fluoride concentration in solutions |
-
1973
- 1973-11-15 AU AU62503/73A patent/AU6250373A/en not_active Expired
- 1973-11-15 DE DE19732356965 patent/DE2356965A1/de active Pending
- 1973-11-16 BR BR900573A patent/BR7309005D0/pt unknown
- 1973-11-16 FR FR7341006A patent/FR2208532A5/fr not_active Expired
- 1973-11-16 NL NL7315762A patent/NL7315762A/xx unknown
- 1973-11-16 JP JP48129099A patent/JPS4983492A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2208532A5 (en) | 1974-06-21 |
| BR7309005D0 (pt) | 1974-08-29 |
| AU6250373A (en) | 1975-05-15 |
| NL7315762A (enrdf_load_stackoverflow) | 1974-05-20 |
| JPS4983492A (enrdf_load_stackoverflow) | 1974-08-10 |
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