CN100371504C - 消声器镀铬后铬酐的清除方法 - Google Patents
消声器镀铬后铬酐的清除方法 Download PDFInfo
- Publication number
- CN100371504C CN100371504C CNB2005100203882A CN200510020388A CN100371504C CN 100371504 C CN100371504 C CN 100371504C CN B2005100203882 A CNB2005100203882 A CN B2005100203882A CN 200510020388 A CN200510020388 A CN 200510020388A CN 100371504 C CN100371504 C CN 100371504C
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- Prior art keywords
- sourdine
- chromic anhydride
- silencer
- removing method
- chromium plating
- 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.)
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Abstract
Description
序号 | 亚硫酸氢钠(克/升) | 溶液温度(℃) | 浸泡时间(分钟) |
1 | 6 | 常温 | 1 |
2 | 10 | 常温 | 0.5 |
3 | 8 | 常温 | 1 |
4 | 15 | 常温 | 0.5 |
序号 | 碳酸钠(克/升) | 溶液温度(℃) | 浸泡时间(分钟) |
1 | 8 | 80 | 2 |
2 | 12 | 75 | 2 |
3 | 10 | 80 | 1.5 |
4 | 5 | 90 | 3 |
5 | 15 | 90 | 1 |
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100203882A CN100371504C (zh) | 2005-02-20 | 2005-02-20 | 消声器镀铬后铬酐的清除方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100203882A CN100371504C (zh) | 2005-02-20 | 2005-02-20 | 消声器镀铬后铬酐的清除方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1687489A CN1687489A (zh) | 2005-10-26 |
CN100371504C true CN100371504C (zh) | 2008-02-27 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNB2005100203882A Expired - Fee Related CN100371504C (zh) | 2005-02-20 | 2005-02-20 | 消声器镀铬后铬酐的清除方法 |
Country Status (1)
Country | Link |
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CN (1) | CN100371504C (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB491618A (en) * | 1935-01-08 | 1938-09-06 | Max Schenk | A process for the production of opaque protective coatings on aluminium and its alloys |
US3552993A (en) * | 1969-06-09 | 1971-01-05 | Virginia Chemicals Inc | Process for rinsing chromium plated parts |
CN1016367B (zh) * | 1989-02-20 | 1992-04-22 | 万仁荣 | 回收工件、夹具所带电镀液的方法 |
CN1230334A (zh) * | 1996-11-06 | 1999-09-29 | 阿托特德国有限公司 | 合成材料表面的构造方法、尤其是用于数据存储的数据载体的制造方法 |
-
2005
- 2005-02-20 CN CNB2005100203882A patent/CN100371504C/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB491618A (en) * | 1935-01-08 | 1938-09-06 | Max Schenk | A process for the production of opaque protective coatings on aluminium and its alloys |
US3552993A (en) * | 1969-06-09 | 1971-01-05 | Virginia Chemicals Inc | Process for rinsing chromium plated parts |
CN1016367B (zh) * | 1989-02-20 | 1992-04-22 | 万仁荣 | 回收工件、夹具所带电镀液的方法 |
CN1230334A (zh) * | 1996-11-06 | 1999-09-29 | 阿托特德国有限公司 | 合成材料表面的构造方法、尤其是用于数据存储的数据载体的制造方法 |
Non-Patent Citations (4)
Title |
---|
《铝及其合金装饰性镀铬》. 高建勋.材料保护,第27卷第9期. 1994 * |
电镀重金属离子混合废水处理工艺(气浮法). 章贤昌.电镀与涂饰,第3期. 1987 * |
试论我国电镀废水治理的五个阶段. 陈惠国.电镀与涂饰,第3期. 1989 * |
镀铬经验集锦. 材料保护,第23卷第3期. 1990 * |
Also Published As
Publication number | Publication date |
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CN1687489A (zh) | 2005-10-26 |
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C06 | Publication | ||
PB01 | Publication | ||
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TA01 | Transfer of patent application right |
Effective date of registration: 20051025 Address after: Zheng Jie 400050 Xiejiawan Jiulongpo District of Chongqing City No. 47 Applicant after: Chongqing Jianshe Motorcycle Co., Ltd. Address before: Zheng Jie Xiejiawan Jiulongpo District of Chongqing City No. 47 Applicant before: Construction Industry (Group) Co., Ltd. |
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SE01 | Entry into force of request for substantive examination | ||
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Effective date of registration: 20151105 Address after: 400054 Banan District, Chongqing building Avenue, No. 2, building 1 Patentee after: CHONGQING CONSTRUCTION ELECTROMECHANICAL CO., LTD. Address before: Zheng Jie 400050 Xiejiawan Jiulongpo District of Chongqing City No. 47 Patentee before: Chongqing Jianshe Motorcycle Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080227 Termination date: 20170220 |
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CF01 | Termination of patent right due to non-payment of annual fee |