CN101191216A - Technique for preparing trivalent chromium white deactivation liquid - Google Patents
Technique for preparing trivalent chromium white deactivation liquid Download PDFInfo
- Publication number
- CN101191216A CN101191216A CN 200610129543 CN200610129543A CN101191216A CN 101191216 A CN101191216 A CN 101191216A CN 200610129543 CN200610129543 CN 200610129543 CN 200610129543 A CN200610129543 A CN 200610129543A CN 101191216 A CN101191216 A CN 101191216A
- Authority
- CN
- China
- Prior art keywords
- mixture
- trivalent chromium
- stirring
- chromium white
- technique
- 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.)
- Withdrawn
Links
Landscapes
- Chemical Treatment Of Metals (AREA)
Abstract
The invention relates to a trivalent chromium white passivating liquid, wherein, under normal temperature and pressure, water is added into chromium trioxide for mixture and dissolution; seignette salt is added into mixture for stirring, dissolution and reaction; the mixture is kept for a plurality of hours and then stirred; when PH value is between 4 and 5, sulphuric acids are added into the mixture for even stirring; the mixture is kept for a plurality of hours; galvanized parts with over half brightness are immersed into the passivating liquid; the trivalent chromium white passivating liquid is obtained after washing by clear water and drying. The invention has the advantages of capability of directly exhausting cleaning water after passivation, stable nonirritant odor, safe operation and strong corrosion resistance.
Description
Technical field
The present invention relates to a kind of technique for preparing trivalent chromium white deactivation liquid.
Background technology
At present, influence workers ' health for solving existing zinc electroplating with blue or clear chromate conversion coating technology iris flag bleaching processing, cause problem of environmental pollution, with low chromic acid passivation, but need often to adjust passivating solution, it is aging to go out the inkstone passivating solution, and passive film does not work, sends out mist, easily comes off, the low anticorrosion and decorative value of battle array can not widespread use.
Summary of the invention
The objective of the invention is to overcome above-mentioned defective, a kind of technique for preparing trivalent chromium white deactivation liquid is provided.
Technical scheme of the present invention is: a kind of technique for preparing trivalent chromium white deactivation liquid is characterized in that: under the normal temperature and pressure, chromic anhydride 60 grams per liters add the water stirring and dissolving, add Seignette salt 60 grams per liters, reaction is dissolved in stirring, places a few hours, stirs, between the pH value 4-5, add sulfuric acid 50ml/ liter, stir, place a few hours, to have the above galvanized workpiece of half light and be dipped in 5-23 second in the passivating solution, clear water is washed, is dried promptly.
The present invention has the following advantages: rinse water can directly be discharged after the passivation; Stable have no irritating odor, operational safety; Erosion resistance is strong.
Embodiment
Embodiment: a kind of white passivating liquor containing trivalent chromium, under the normal temperature and pressure, chromic anhydride 60 grams per liters add the water stirring and dissolving, add Seignette salt 60 grams per liters, reaction is dissolved in stirring, places a few hours, stirs, between the pH value 4-5, add sulfuric acid 50ml/ liter, stir, place a few hours, to have the above galvanized workpiece of half light and be dipped in 5-23 second in the passivating solution, clear water is washed, is dried promptly.
Claims (1)
1. white passivating liquor containing trivalent chromium, it is characterized in that: under the normal temperature and pressure, chromic anhydride 60 grams per liters add the water stirring and dissolving, add Seignette salt 60 grams per liters, reaction is dissolved in stirring, places a few hours, stirs, between the pH value 4-5, add sulfuric acid 50ml/ liter, stir, place a few hours, to have the above galvanized workpiece of half light and be dipped in 5-23 second in the passivating solution, clear water is washed, is dried promptly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610129543 CN101191216A (en) | 2006-11-23 | 2006-11-23 | Technique for preparing trivalent chromium white deactivation liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610129543 CN101191216A (en) | 2006-11-23 | 2006-11-23 | Technique for preparing trivalent chromium white deactivation liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101191216A true CN101191216A (en) | 2008-06-04 |
Family
ID=39486414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610129543 Withdrawn CN101191216A (en) | 2006-11-23 | 2006-11-23 | Technique for preparing trivalent chromium white deactivation liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101191216A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103966589A (en) * | 2013-01-24 | 2014-08-06 | 矢崎能源系统公司 | Method for forming high-performance selective absorption processing film |
| CN105331959A (en) * | 2015-11-02 | 2016-02-17 | 麦垲门电子科技(上海)有限公司 | Pole lug nickel strap surface treatment passivation solution |
| CN105331960A (en) * | 2015-11-02 | 2016-02-17 | 麦垲门电子科技(上海)有限公司 | Pole lug aluminum strip surface treatment passivation solution |
-
2006
- 2006-11-23 CN CN 200610129543 patent/CN101191216A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103966589A (en) * | 2013-01-24 | 2014-08-06 | 矢崎能源系统公司 | Method for forming high-performance selective absorption processing film |
| CN103966589B (en) * | 2013-01-24 | 2017-07-28 | 矢崎能源系统公司 | High performance selective absorbs the forming method of process film |
| CN105331959A (en) * | 2015-11-02 | 2016-02-17 | 麦垲门电子科技(上海)有限公司 | Pole lug nickel strap surface treatment passivation solution |
| CN105331960A (en) * | 2015-11-02 | 2016-02-17 | 麦垲门电子科技(上海)有限公司 | Pole lug aluminum strip surface treatment passivation solution |
| CN105331960B (en) * | 2015-11-02 | 2017-11-28 | 麦垲门电子科技(上海)有限公司 | Lug aluminium strip Surface treatment passivation solution |
| CN105331959B (en) * | 2015-11-02 | 2018-02-16 | 麦垲门电子科技(上海)有限公司 | Lug nickel strap Surface treatment passivation solution |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105839093B (en) | A kind of electro-coppering room temperature chromium-free passivation liquid and its passivation technology | |
| CN101693995B (en) | Preparation method of aluminum alloy corrosion resistant coating | |
| CN101876071B (en) | Environmentally-friendly black chrome-silver-free zinc-plating passivation solution and preparation method thereof | |
| JPH0459392B2 (en) | ||
| CN101356301B (en) | Aqueous reaction solution and method of passivating workpieces having zinc or zinc alloy surfaces | |
| CN101135050B (en) | Metasilicate cleaning inactivating process | |
| CN101942655A (en) | Preparation method of chromium-free passivated liquid and method for passivating electrogalvanizing or zinc alloy layer by same | |
| CN101463476B (en) | Aluminum alloy oxidation treatment solution and oxidation technology thereof | |
| CN101191215A (en) | Technique for preparing trivalent chromium white deactivation liquid | |
| CN101629288A (en) | Passivation treating agent for hot-dip aluminum zinc plate and preparation method thereof | |
| CN109385629A (en) | A kind of magnesium alloy high corrosion-resistant passivator and its passivation technology | |
| CN103060789A (en) | Whole chromium-free high-corrosion-resistant zinc-coated iridescent passivation solution and preparation method thereof | |
| CN101191216A (en) | Technique for preparing trivalent chromium white deactivation liquid | |
| CN105386058B (en) | One kind automating polishing fluid based on Phosphoric Acid aluminium alloy | |
| CN102747360A (en) | Chromium-free passivation method for galvanized steel sheet by using molybdate/polyphosphate composite system | |
| CN108930045B (en) | Copper alloy cleaning method | |
| CN101089227A (en) | Magnesium alloy surface non-chromium chemical solution and chemical process technology | |
| CN101525747A (en) | Clean rare-earth salt passivation solution | |
| CN102888601A (en) | Trivalent chromium black passivation plating solution for zinc coating | |
| CN104099017A (en) | Rustless aluminium alloy surface treating agent | |
| CN101191217A (en) | Technique for preparing trivalent chromium white deactivation liquid | |
| CN103014689A (en) | Environment-friendly galvanization, black Zn-Fe alloy passivation solution and preparation method | |
| CN104611689A (en) | Chemical oxidation liquid for magnesium alloy | |
| CN105088210A (en) | Novel chromium-free acidic galvanizing color passivating solution and preparation method thereof | |
| CN103014690A (en) | Novel pollution-free black passivation solution used for providing galvanized surface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |