DE467025C - Verfahren zur Erzeugung festhaftender elektrolytischer Chromniederschlaege - Google Patents
Verfahren zur Erzeugung festhaftender elektrolytischer ChromniederschlaegeInfo
- Publication number
- DE467025C DE467025C DEW69737D DEW0069737D DE467025C DE 467025 C DE467025 C DE 467025C DE W69737 D DEW69737 D DE W69737D DE W0069737 D DEW0069737 D DE W0069737D DE 467025 C DE467025 C DE 467025C
- Authority
- DE
- Germany
- Prior art keywords
- chromium
- production
- firmly adhering
- chromic acid
- metal
- 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
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims description 23
- 229910052804 chromium Inorganic materials 0.000 title claims description 16
- 239000011651 chromium Substances 0.000 title claims description 16
- 238000000034 method Methods 0.000 title claims 2
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 claims description 12
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 4
- 229910001385 heavy metal Chemical class 0.000 claims description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 2
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000005868 electrolysis reaction Methods 0.000 claims description 2
- 239000003792 electrolyte Substances 0.000 claims description 2
- 150000002736 metal compounds Chemical class 0.000 claims description 2
- 150000007513 acids Chemical class 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000007792 addition Methods 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 239000000654 additive Substances 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical class F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 3
- GRWVQDDAKZFPFI-UHFFFAOYSA-H chromium(III) sulfate Chemical compound [Cr+3].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRWVQDDAKZFPFI-UHFFFAOYSA-H 0.000 description 3
- 238000009713 electroplating Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- ABXXWVKOBZHNNF-UHFFFAOYSA-N chromium(3+);dioxido(dioxo)chromium Chemical compound [Cr+3].[Cr+3].[O-][Cr]([O-])(=O)=O.[O-][Cr]([O-])(=O)=O.[O-][Cr]([O-])(=O)=O ABXXWVKOBZHNNF-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 229910001295 No alloy Inorganic materials 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- -1 aluminum sulfate Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 150000001844 chromium Chemical class 0.000 description 1
- 150000001845 chromium compounds Chemical class 0.000 description 1
- 229910001430 chromium ion Inorganic materials 0.000 description 1
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 1
- 229940044175 cobalt sulfate Drugs 0.000 description 1
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 239000002659 electrodeposit Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910000358 iron sulfate Inorganic materials 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- RYZCLUQMCYZBJQ-UHFFFAOYSA-H lead(2+);dicarbonate;dihydroxide Chemical compound [OH-].[OH-].[Pb+2].[Pb+2].[Pb+2].[O-]C([O-])=O.[O-]C([O-])=O RYZCLUQMCYZBJQ-UHFFFAOYSA-H 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 1
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/04—Electroplating: Baths therefor from solutions of chromium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating And Plating Baths Therefor (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL18961D NL18961C (enrdf_load_stackoverflow) | 1925-06-28 | ||
| DEW69737D DE467025C (de) | 1925-06-28 | 1925-06-28 | Verfahren zur Erzeugung festhaftender elektrolytischer Chromniederschlaege |
| FR607829D FR607829A (fr) | 1925-06-28 | 1925-12-10 | Procédé de chromage électrolytique avec de faibles densités de courant, ayant pour effet d'améliorer la formation de dépôt de chrome métallique dans les parties creuses et profondes des objets à métalliser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEW69737D DE467025C (de) | 1925-06-28 | 1925-06-28 | Verfahren zur Erzeugung festhaftender elektrolytischer Chromniederschlaege |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE467025C true DE467025C (de) | 1928-10-18 |
Family
ID=7608459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEW69737D Expired DE467025C (de) | 1925-06-28 | 1925-06-28 | Verfahren zur Erzeugung festhaftender elektrolytischer Chromniederschlaege |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE467025C (enrdf_load_stackoverflow) |
| FR (1) | FR607829A (enrdf_load_stackoverflow) |
| NL (1) | NL18961C (enrdf_load_stackoverflow) |
-
0
- NL NL18961D patent/NL18961C/xx active
-
1925
- 1925-06-28 DE DEW69737D patent/DE467025C/de not_active Expired
- 1925-12-10 FR FR607829D patent/FR607829A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR607829A (fr) | 1926-07-09 |
| NL18961C (enrdf_load_stackoverflow) |
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